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Manufacturer and product names are formatted in accordance with the standard rules of English grammar, e. Manufacturer and model names are proper nouns, and thus are written beginning with a capital letter.
This manual has some parts that are marked with icons on the margin to help you finding important parts or parts you could skip.
The following icons are used: Note: This indicates a note. In order to make finding notes easier each one is accompanied by an icon in the margin as here.
Notes are used to mark useful information that may help you to get the most out of Rockbox. Warning: This is a warning.
In contrast to notes mentioned above, a warning should be taken more seriously. Whereas ignoring notes will not cause any serious damage, ignoring warnings could cause serious damage to your player.
You really should read the warnings, especially if you are new to Rockbox. This icon marks a section that is intended especially for the blind and visually impaired.
As they cannot read the manual in the same way sighted people do we have added some additional descriptions. If you are not blind or visually impaired you can probably completely skip these blocks.
To make this easier, there is an icon shown in the margin on the right. Links to the wiki are abbreviated by the name of the wiki page.
Those names are still linked so you can simply follow them like any other link in this manual. Links to wiki pages are also indicated by the symbol in front of the page name.
Installation Installing Rockbox is generally a quick and easy procedure. However before beginning there are a few important things to know. Before Starting USB connection.
To transfer Rockbox to your player you need to connect it to your computer. On Windows this means you need to know the drive letter associated with the player.
On Linux you need to know the mount point of your player. On Mac OS X you need to know the volume name of your player.
The installation requires you to use UMS mode. Turn off the player Original Firmware. Connect your YH to the computer using the data cable.
The player will now appear as a regular disk on your computer. Installing Rockbox There are two ways to install Rockbox: automated and manual.
The automated way is the preferred method of installing Rockbox for the majority of people. Rockbox Utility is a graphical application that does almost everything for you.
However, should you encounter a problem, then the manual way is still available to you. There are three separate components, two of which need to be installed in order to run Rockbox: The Samsung bootloader.
The Samsung bootloader is the program that tells your player how to load and start the original firmware. It is also responsible for any emergency, recovery, or disk modes on your player.
This bootloader is stored in special flash memory in your Samsung and comes factory-installed. It is not necessary to modify this in order to install Rockbox.
The Rockbox bootloader. The Rockbox bootloader is loaded from disk by the Samsung bootloader. It is responsible for loading the Rockbox firmware and for providing The Rockbox manual version rUnversioned directory Samsung YH 14 Chapter 2.
Installation the dual boot function. The Rockbox firmware. This makes it easy to update Rockbox. The build consists of a directory called. Apart from the required parts there are some addons you might be interested in installing.
Rockbox can load custom fonts. The fonts are distributed as a separate package and thus need to be installed separately.
They are not required to run Rockbox itself but a lot of themes require the fonts package to be installed. The appearance of Rockbox can be customised by themes.
Depending on your taste you might want to install additional themes to change the look of Rockbox. Automated Installation To automatically install Rockbox, download the official installer and housekeeping tool Rockbox Utility.
Autodetection can detect most player types. If autodetection fails or is unable to detect the mountpoint, make sure to enter the correct values.
The mountpoint indicates the location of the player in your filesystem. On Windows, this is the drive letter the player gets assigned, on other systems this is a path in the filesystem.
Installation Choosing a Rockbox version There are three different versions of Rockbox available from the Rockbox website: Release version, current build and archived daily build.
You need to decide which one you want to install and get the appropriate version for your player. The release version is the latest stable release, free of known critical bugs.
Development Build. The development build is built at each change to the Rockbox source code repository and represents the current state of Rockbox development.
This means that the build could contain bugs but most of the time is safe to use. Archived Build.
In addition to the release version and the current build, there is also an archive of daily builds available for download. These are built once a day from the latest source code in the repository.
Note: Because current and archived builds are development versions that change frequently, they may behave differently than described in this manual, or they may introduce new and potentially annoying bugs.
Unless you wish to try the latest and greatest features at the price of possibly greater instability, or you wish to help with development, you should stick with the release.
Please now go to section 2. Manual Installation The manual installation method is still available to you, should you need or desire it by following the instructions below.
If you have used Rockbox Utility to install Rockbox, then you do not need to follow the next section and can skip straight to section 2.
Download your chosen version of Rockbox from the links in the previous section. Installation 3. Take the. Note: The entire contents of the.
Do not try to create a separate directory on your player for the Rockbox files! If the contents of the. Installing the bootloader Installation 1.
Note: You should keep a safe backup of this file for use if you ever wish to switch back to the Samsung firmware. Note: If you cannot see the System directory, you will need to make sure your operating system is configured to show hidden files and directories.
Enabling Speech Support optional If you wish to use speech support you will also need a voice file. Voice files allow Rockbox to speak the user interface to you.
Rockbox Utility can also aid you in the creation of voice files with different voices or in other languages if you have a suitable speech engine installed on your computer.
Voice menus are enabled by default and will come into effect after a reboot. See section 8. Rockbox Utility can also aid in the production of talk files, which allow Rockbox to speak file and folder names.
Running Rockbox When you turn the unit on, Rockbox should load. Updating Rockbox Rockbox can be easily updated with Rockbox Utility.
The new build will be installed over your current build. The bootloader only changes rarely, and should not normally need to be updated. Note: If you use Rockbox Utility be aware that it cannot detect manually installed components.
Uninstalling Rockbox Note: The Rockbox bootloader allows you to choose between Rockbox and the original firmware.
See section 3. If you installed Rockbox manually you can still use Rockbox Utility for uninstallation but will not be able to do this selectively.
As in the installation, it may be necessary to first put your device into UMS mode. If you wish to clean up your disk, you may also wish to delete the.
Turn the Samsung off. Turn the player back on and the original Samsung software will load. Installation 18 extracting the contents of the. To fix this, either install Rockbox with the Rockbox Utility which will take care of this for you, or recheck the Manual Install section to see where the files need to be located.
Basic Overview 3. The buttons are described in detail in the following paragraph. Hold or lay the player so that the side with the controls and LCD is facing towards you.
Directly below the bottom edge of the screen are three buttons: Rewind on the left, Play in the middle and Forward on the right.
Below them is a four-way pad which contains the Down, Up, Left and Right controls. At the top of the right hand side of the player is the Rec button.
On the top panel of the player, from left to right, you can find the following: headphone socket, line-in socket, internal microphone, and the Hold switch.
Note that when the Hold switch is moved towards the center of the player, hold is turned on and all the other controls are disabled. Be sure Hold is off before trying to use your player.
At the top of the back side of the player, just under the Hold button is the reset hole, if you need to perform a hardware reset.
In the unlikely event of a software failure, a hardware reset can be performed by inserting a paperclip gently into the Reset hole. Starting the original firmware Rockbox has a dual-boot feature.
To boot into the original firmware, press and hold for awhile the Play button and then immediately after the Samsung logo appears, press the Left button and keep it pressed until the original firmware starts.
The default directory structure that is assumed by some parts of Rockbox album art searching, and missing-tag fallback in some WPSes uses the parent directory of a song as the Album name, and the parent directory of that folder as the Artist name.
WPSes may display information incorrectly if your files are not properly tagged, and you have your music organized in a way different than they assume when attempting to guess the Artist and Album names from your filetree.
See section C page for the requirements for Album Art to work properly. See section B. Quick Start 21 3. From this menu you can reach every function of Rockbox, for more information see section 5.
To browse the files on your player, select Files see section 4. Basic controls When browsing files and moving through menus you usually get a list view presented.
The navigation in these lists are usually the same and should be pretty intuitive. In the tree view use Down and Up to move around the selection.
Use Right to select an item. When browsing the file system selecting an audio file plays it. The dynamic playlist gets replaced with the contents of the current directory.
This way you can easily treat directories as playlists. The created dynamic playlist can be extended or modified while playing.
To go back to the File Browser stop the playback with the Long Play button or return to the file browser while keeping playback running using Right.
In list views you can go back one step with Left. Basic concepts Playlists Rockbox is playlist oriented.
You can modify the dynamic playlist while playing and also save it to a file. If you do not want to use playlists you can simply play your files directory based.
Playlists are covered in detail in section 4. Menu From the menu you can customise Rockbox. Rockbox itself is very customisable.
Also there are some special menus for quick access to frequently used functions. From the file browser this can be accessed with Long Right.
The contents of the context menu vary, depending on the situation it gets called. The context menu itself presents you with some operations you can perform with the currently highlighted file.
In the file browser this is the file or directory that is highlighted by the cursor. Quick Start 22 the currently playing file.
Also there are some actions that do not apply to the current file but refer to the screen from which the context menu gets called. One example is the playback menu, which can be called using the context menu from within the WPS.
Themes usually only affect the visual appearance, but an advanced user can create a theme that also changes various other settings like file view, LCD settings and all other settings that can be modified using.
This topic is discussed in more detail in section The Rockbox distribution comes with some themes that should look nice on your player. Note: Some of the themes shipped with Rockbox need additional fonts from the fonts package, so make sure you installed them.
Also, if you downloaded additional themes from the Internet make sure you have the needed fonts installed as otherwise the theme may not display properly.
This will prevent it from connecting to your computer and let you continue to use it normally. Your player must already be in Rockbox for this to function.
Note: Be aware that this button may still perform its normal function, so it is recommended to use a button without harmful side effects, such as Rewind.
Browsing and playing 23 4. File Browser Figure 4. The File Browser lets you navigate through the files and directories on your player, entering directories and executing the default action on each file.
To help differentiate files, each file format is displayed with an icon. The Database Browser, on the other hand, allows you to navigate through the music on your player using categories like album, artist, genre, etc.
If you choose the File Browser, the Show Files setting lets you select what types of files you wish to view. Note: The File Browser allows you to manipulate your files in ways that are not available within the Database Browser.
Read more about Database in section 4. The remainder of this section deals with the File Browser. Go to the parent directory.
Execute the default action on the selected file or enter a directory. Stop audio playback. Enter the Context Menu. Enter the Main Menu.
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The size of the complete phantoms is 30 cm x 30 cm x 30 cm. Adapter plates for a number of detector types are available for both phantoms.
The phantom makes it possible to place thimble chambers in measuring depths of 50 mm, 70 mm and mm. The reference chamber and the chamber under calibration can be placed in the phantom tip-to-tip and irradiated simultaneously, which is the preferred calibration method if both chambers are of the same type.
A variety of adapters for a number of ionization chamber types is available. Ordering Information T Acrylic block phantom Option Chamber adapters upon request Radiation Detectors page 15ff.
Up to three ionization chambers alternatively TL detectors and FeSO4 ampoules can simultaneously be placed at different water depths with a distance of 50 mm from chamber axis to chamber axis by using appropriate waterproof acrylic adapters.
The external phantom dimensions are approximately 30 cm x 30 cm x 30 cm. The entrance window in one of the walls has the thickness of 3 mm and the size of mm x mm.
Holding devices on the top and on the bottom of the phantom make it possible to position the chambers precisely by means of adapters in depths from 15 mm up to mm in increments of 5 mm.
Ordering Information T Stationary water phantom Option Detector adapters upon request Radiation Detectors page 15ff.
The water phantom type is designed for calibration measurements in radiation therapy using a horizontal beam. Up to three ionization chambers alternatively TL detectors and FeSO4 ampoules can simultaneously be placed at different water depths with a distance of 50 mm from chamber axis to chamber axis by using waterproof acrylic adapters.
The measuring depth can be adjusted continuously by means of a caliper on the phantom top. Appropriate adapters enable users to position thimble chambers precisely in depths from less than 15 mm up to mm and plane-parallel electron chambers as well as thermoluminescent detectors from 6 mm up to mm.
Measurements are done with a horizontally mounted thimble chamber, put into position through a hole in one side wall by using an appropriate waterproof acrylic adapter.
To seal the hole, the adapter is supplied with an O-ring. By inserting the adapter tip into a cavity on the opposite wall, which serves as support, the adapter is fixed.
Adapters are available for a variety of thimble chambers. The measuring position is mm below the upper edge of the tank. The measuring depth can be varied by height adjustment of the water level by means of a vertical scale on the phantom wall.
The phantom has two handles for easy carrying, three adjustable supports for leveling, etched cross hairs for alignment and a collision protected drain tap for emptying without tilting or changing the phantom's position.
The phantom T is a stationary water phantom for absolute dosimetry and calibration measurements in radiation therapy. It is completely covered by acrylic PMMA plates.
The external dimensions are approximately 20 cm x 20 cm x 10 cm. The entrance wall thickness is 3 mm, the measuring depth 50 mm.
PTW Farmer ionization chambers fit exactly into the built-in chamber holder. The top plate features markers for beam adjustment.
The phantom is filled with approximately 4 liters of water through a sealed fill plug. It is fitted with two elastic expansion vessels to adapt the phantom to different ambient temperatures and to ensure a constant measuring depth.
Ordering Information T Stationary water phantom Option Chamber adapters upon request Ionization Chambers page 15ff.
Radioactive sources are positioned inside the target volume for direct contact to human tissue in brachytherapy procedures.
These radiotherapy techniques are becoming more and more important for the treatment of various diseases. Besides the traditional afterloading techniques for gynecological radiotherapy, modern techniques for seed implantation and for intravascular brachytherapy are used now.
For correct irradiation according to the treatment plan, the radiation strength of each individual radioactive source has to be determined before starting brachytherapy treatment.
PTW offers a range of products to measure the source strength of different source types for brachytherapy. For patient dosimetry during radiotherapy, multiple semiconductor probes are fixed to the patient body and connected to a multi-channel dosemeter.
Compared with ionization chambers, semiconductor detectors have the advantage of small sensitive volumes. Since they do not need a bias voltage for operation, the existence of high voltage in the patient environment is avoided.
The PTW product line includes patient dosemeters for three applications: Dosimetry in external beams Up to twelve in-vivo probes with single semiconductor detectors are placed at the patient body and connected to a multi-channel dosemeter to integrate the total doses during standard treatment or during total body irradiation TBI by external beams from a linear accelerator or a 60Co unit.
Dosimetry on afterloading brachytherapy units A single detector probe is placed into the patient bladder and a five-fold probe with five equally spaced semiconductor detectors is inserted into the rectum for dose integration during gynecological afterloading treatments.
Invivo dosimetry is generally recommended to record and verify the radiation load to patients and consequently to fulfill radiation protection requirements.
VIVODOS connects up to twelve semiconductor detectors for in-vivo dosimetry of external beams from LINACs including TBI total body irradiation via a special connection box.
For in-vivo dosimetry during gynecological afterloading brachytherapy, a five-fold and a single intracavitary detector are connected via a connection box to measure the doses in the rectum and in the bladder.
The VIVODOS does not have high voltage supply, which is not needed for semiconductor detector operation. An RS interface is included, as well as the MULTICAL software for calibration purposes.
VIVODOS E connects up to four semiconductor detectors for in-vivo dosimetry of external beams from LINACs.
The diodes are connected directly to the BNC connectors on the rear panel. VIVODOS E does not have high voltage supply, which is not needed for semiconductor detector operation.
It meets or exceeds the standards for field class dosemeters as specified in IEC The calibration factors are stored in the unit and additional correction factors can be entered.
An RS interface is included as well as the MultiCal software for calibration purposes. Suitable for any irradiation technique including TBI Types for different beam qualities are available The semiconductor probes for in-vivo dosimetry are fixed to the patient's body to measure the patient skin, entrance or exit dose during external radiation treatments.
Additionally a risk organ diode with increased sensitivity and homogenous directional response is available. Three different detector types with integrated build-up caps for photon energies from 60Co to 25 MV and one type for electron measurements are available.
The detectors do not require a bias voltage. They have a connection cable of 4 m length with BNC connector. It can be moved into any desired position next to the patient couch or the storing place.
Two rollers are equipped with locking devices. The system is designed for robust daily use and for longterm reliability. It accommodates up to 12 in-vivo probes for high-energy photon and electron dose measurement see page The maximum cable length mounted to the probes is 4 m and the maximum cable extension length is 3.
The desired cable length can be locked individually for each probe at any length in the extension range. The DIODE MATE is mm high, the outer diameter is mm.
The weight including 12 probes is approximately 36 kg. Ordering Information T DIODE MATE mobile unit Options L Cable installation set, 20 m T It supports different treatment techniques and multiple treatment sessions.
In addition, it determines organ doses according to the ESTRO booklet 1. VivoSoft stores user defined probe sets and the associated calibration factors.
The measurement screen shows the measurement values of up to 12 single detector probes together with a graphical dose display for all detectors.
Administrative data including patient data are also shown. Printouts for each session make it possible to document the treatment in accordance with radiation protection regulations, e.
The five-fold probe has five individual detectors spaced 15 mm apart from each other to increase the chance to measure the maximum dose.
The rectrum probe and the bladder probe type are inserted using a protective sleeve, while the probe type with 3 mm diameter is used in combination with a catheter.
All probes are flexible and have a connection cable of 2. The probes connect to the detector connection box, which is linked to a VIVODOS or MULTIDOS multi channel dosemeter, placed in the control room.
Ordering Information T Single semiconductor bladder probe T Single semiconductor bladder probe, catheter use T Five-fold semiconductor rectum probe T AL detector connection box T Connection cable to the dosemeter, 20 m Protective sleeves for the probes upon request Options L Cable installation set, 20 m T It is a practical tool for afterloading source strength measurement in a solid state phantom.
In addition, it is used for calibration of semiconductor probes for afterloading dosimetry. For both calibration purposes, the radioactive afterloading source is positioned into the afterloading applicator in the center hole of the phantom by remote control after the reference chamber has been placed into one of the peripheral holes.
For detector calibration, the afterloading probes and the reference chamber are positioned in the holes on the circle.
To equalize the scattered radiation, holes not used are closed by dummy plugs and the phantom is mounted on a tripod by means of the thread at the bottom.
A variety of adapters for applicators, probes and chambers is available. Ordering Information T Afterloading calibration phantom L Tripod for afterloading calibration phantom Adapters for afterloading applicators, afterloading probes and reference chambers upon request Afterloading Probes page 32 Ionization Chambers page 15f.
International standards require the measurement of radioactive brachytherapy sources. For HDR afterloading sources an acceptance test after the replacement of the source and additional constancy checks are required.
For permanent implanted seeds the typical quality assurance is measuring a defined amount seeds out of a delivered batch. Various adapters for all kind of afterloading applicators and for different seeds and seed strands are available.
The radioactive check source T can be used for constancy checks. The chamber can be calibrated for Ir and for I MultiSoft stores user defined probe sets and the associated calibration factors.
The measurement screen shows the measurement values of five detectors of the rectum probe and the detector of the bladder probe together with a graphical dose display for all detectors.
The detector with the maximum dose is marked. Ordering Information S MultiSoft afterloading software T Check device Sr, point source T Seven grooves with different widths of 1.
One of three adjustable stop positions for the applicator tip can be selected. A radiographic film of 30 cm x 25 cm is placed under the cover plate of the POSICHECK and fixed by two needles.
The typical exposure time for one source position is one second. The lead lines with 10 mm spacing are marked on the film by scattered radiation.
Consequently, the source position in relation to the lead line position can be checked easily on the exposed film to verify consistence between the position displayed on the afterloading control desk and the actual source position.
The user must rely on the measuring equipment and handling should be easy and time-saving. Our widespread and proven TBA Therapy Beam Analyzers fulfill these requirements ideally.
Various different types of phantom tanks in combination with common electronic devices and software and a variety of waterproof radiation detectors enable the user to measure easily and accurately pulsed photon, electron and proton radiation from all types of accelerators as well as continuous radiation from 60Co teletherapy units.
The TBA beam analyzers take full advantage of the latest developments in microprocessor technology and provide the user with the greatest latitude in beam data acquisition.
They truly make beam data acquisition in radiation therapy easier, faster and more accurate than ever before. No matter how demanding: The TBA Therapy Beam Analyzers are ideally suited to perform all of the measurement tasks of a physics department in radiation therapy: Acceptance tests of therapy treatment units after installation Measurements after repair or replacement of major treatment unit components Beam data analyses according to international therapy dosimetry protocols, such as AAPM TG Acquisition, formatting and transfer of basic data to treatment planning systems Data acquisition and analyses of irregular and IMRT fields Periodic quality control High precision data acquisition for scientific research 36 The 3D systems enable the user to acquire data of beam profiles, depth dose curves and isodose distributions even at arbitrary angles of beam incidence.
The systems can easily perform measurements at any point, along any vector or in any complete plane.
The minimum configuration for operation of an automatic beam analyzer includes the following components: Phantom tank with moving mechanism Measuring probe with holding device TANDEM dual channel electrometer Electronic control unit and control pendant Connection cables MEPHYSTO software Computer and printer Radiation Therapy: TBA Therapy Beam Analysis Equipment MP3 Water Phantom System Large size motorized 3D water phantom system for dose distribution measurement of radiation therapy beams Features Truly integrated solution, perfectly equipped for the most demanding relative and absolute dosimetry tasks Extra large, 3D water tank with scan range of up to 60 cm and reinforced tank walls to prevent deformation or leaking Calibration-free, high-speed stepper motor drives offering superior positioning accuracy 0.
The measurements are performed with the TANDEM Dual-Channel Electrometer with user-selectable measurement times. The TANDEM is designed for fast and precise beam data acquisition in PTW water phantoms and absolute dose measurements.
MEPHYSTO mc2 Software Suite is a modular, workfloworiented software platform for comprehensive beam data acquisition and analysis using the PTW water phantom system.
It comes with a rotable positioning device and a 3D stainless steel moving mechanism driven by three calibrationfree, high-speed stepper motors.
The water tank is controlled by the TBA Control Unit. A removable control pendant with TFT display and menu-controlled interface allows a manual control of the water tank moving mechanism.
The control pendant can be connected to the TBA Control Unit or directly to the water tank. The MP3 Lifting Carriage is a high-precision electromechanical lifting carriage to allow for height adjustment of the MP3 water tank.
A specially designed water reservoir carriage stores the complete water volume of an MP3 water tank up to l before and after use. The built-in centrifugal pump can be operated automatically via PC or manually.
The carriage includes storage compartments for dosimetry accessories. It comes with a rotable positioning device and a 3D stainless steel moving mechanism driven by three calibration-free, high-speed stepper motors.
It includes a l water reservoir with PC-controlled pump for TPR measurements. Ordering Information L MP3-M Water Phantom, complete, BNT connector L MP3-M Water Phantom, complete, TNC conntector L MP3-M Water Phantom, complete, M connector consisting of: - MP3-M phantom tank with positioning device - TBA control unit, TANDEM dosemeter, control pendant - 2x Semiflex 0.
The scanning range is mm x mm horizontally and mm vertically. A thin exchangeable entrance window of mm x mm x 5 mm PMMA makes the system suitable for horizontal beams with highest precision measurements.
One chamber is mounted to the entrance window outside of the water tank, the second chamber is mounted to the moving mechanism for relative dose measurements.
To operate the tank, MEPHYSTO mc2 software and TBA electronics are required. Because of its sealed construction it can be used in any spatial orientation.
Windows allow a visible inspection of the column inside. The signals of the built-in thin window Bragg peak chamber T and the monitor chamber T are read out by the TANDEM XDR electrometer.
The included PeakScan software package allows precise measurements and a detailed Bragg peak analysis.
Once adjusted to the therapy unit, the water tank has not to be moved to cover all measuring tasks. The 20 mm thick acrylic walls do not bulge during prolonged period of use and feature etched lines for precise tank alignment.
In contrast to analog drives, stepper motor drives do not require regular recalibrations. The horizontal moving range is mm x mm and the vertical range is mm.
The phantom has three adjustable supports for leveling, etched crosshairs for alignment and a collision protected drain tap for emptying without tilting or changing the phantom's position.
The 20 mm thick acrylic walls and bottom do not bulge during prolonged period of use. Precision stepper motors are mounted close above the tank making it possible to adjust distances between the LINAC head and the water surface as small as mm.
Stainless steel drive mechanics are used to minimize water perturbation and to preserve positioning accuracy during movement. They do not disturb or affect the measurement accuracy.
The delivery includes a cable connection box mounted to the tank, a spirit level and an ion chamber-adjusting device.
To operate the tank, MEPHYSTO software and TBA electronics are required. The third coordinate can be varied manually.
A scale at the top of a phantom wall enables the user to precisely position the 2D mechanism within a range of mm. Two stepper motors and a sturdy moving mechanism made of stainless steel move a radiation detector controlled remotely within a horizontal moving range of mm and a vertical range of The optional rotatable leveling device rotates the MP2 tank for measurement of both principle axes and the diagonals.
Detector holding devices are optionally available. Beam incidences may be vertical or horizontal. The acrylic walls are 10 mm thick and feature etched lines for precise tank alignment.
The tank sizes meet the AAPM TG51, IAEA TRS and DIN requirements for absorbed dose determinations in reference conditions. MP1 and MP1-S tanks are remote controlled and require TBA electronics and MEPHYSTO mc2 software for operation.
Using the MP1-M tank the detector positions are adjusted by hand. It is equipped with a precise moving mechanism and a digital display of the detector position.
The tanks have vertical moving ranges of mm and external horizontal phantom dimensions of mm x mm MP1 and MP1-M and mm x mm MP1-S.
Holding devices to mount semiflex, Farmer and electron chambers to the moving mechanism are available. Each phantom has three adjustable supports for levelling and a collision-protected drain tap for emptying without tilting or changing the phantom's position.
Alignment and fill lines ensure an easy setup. It closes the gap between automatic water phantoms and solid state phantoms. The phantom contains two excentrically mounted rotary acrylic cylinders inside a solid acrylic block.
Its double rotation principle serves for quick and precise positioning of a detector along the central beam axis as well as for off-axis measurement within an area of mm in diameter.
A suitable adapter accommodates a 0. Using the PLEXITOM, the absolute dose at different specific points in the target volume can be checked without the need to enter the treatment room after each measurement while the cumbersome setup of a remote controlled water phantom is avoided.
The phantom is powered by two stepper motors remotely controlled by the TBA control unit and the MEPHYSTO mc2 software both additionally required. The TRUFIX precision attachment system is used for simple installation of various ionization chambers and detectors in TBA systems.
It serves for fast and precise positioning of effective points of measurement of various detectors on the water surface in water phantoms.
Ordering Information L TRUFIX Basic equipment Holders for various detectors upon request TBA Detector Holding Devices T Special holders enable the user to fix a cylindric ion chamber, an electron chamber, a diode detector, a diamond detector or a light probe to the moving mechanism.
Other holders are designed to fix a detector cable plug or a reference chamber to the tank wall. Therapy Dosemeters page 13f.
MEPHYSTO mc2 Software page 44 42 Radiation Detectors page 15ff. TBA Phantom Tanks page 37ff. The semiflex 0. For absolute dosimetry, the waterproof 0.
The PinPoint chambers with their small sensitive volumes of 0. The small volume solid-state detectors, the microDiamond detector and the dosimetry diodes are suitable for both stereotactic and standard field measurements and provide a favorable signal-to-noise ratio.
Dose distribution measurements of electron beams are performed by means of the small volume Advanced Markus or Markus chamber.
High precision absolute electron dosimetry or percentage electron depth dose measurements are done with the Roos chamber. The Bragg peak chamber is used for relativ measurements for determination of the depth dose curve of a thin proton beam.
The distribution of LINAC light fields is measured with the light probe. Senden Sie schnell und einfach global in bar, mit Ihrer Kreditkarte, oder sogar.
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