Version 2.0 REF 75501
Contents
1. N Therefore the equation above becomes D Mk ll BRACHYTHERAPY 1 For Photon Beams The appropriate equation from AAPM proto col TG 43 or IAEA TECDOC 1274 is G r 0 D r 0 S A G r 0 g r F r 0 where S is measured directly and termed M in MAX COMM 2 For Beta Particles The appropriate equation from AAPM proto col TG 60 or IAEA TECDOC 1274 is D r 0 D r af ah F r 6 where D r 0 is measured directly using Noam and termed M in MAX COMM 16 Explanation of Saved File Export When saving measurement data from the calculate portion of MAX COMM the default file type is a csv file Comma separated value that can be directly opened with any spread sheet application The resulting file will not have labels for the columns of data Refer to this chart to determine the identity of each data column Column Designation Column Value A 1 Date of Calculation B 2 4 T 20 wal 17 Software Requirements and Specifications Hardware Configuration Electrometer MAX 4000 with firmware version 4 4 or higher or MAX 4001 with firmware ver sion 1 0 or higher Connector Type Serial port Processor Intel compatible Pentium 90 or higher Memory 32MB of RAM Hard Disk Minimum of 30 MB available Additional Hardware 4X CD ROM Drive RS 232 Serial Port Operating System Windows 98 ME 2000 XP Depending on the age of your MAX 4000 Electrometer firmware versio2. _015 sec 1 sec 1 collections yi mber ___ c Enter the current Temperature and Pressure d valu juded in oe a er Brachytherapy Measurements Screen for System Factor 3 Allowthe system to warm up and settle for 10 minutes and then click Zero System NOTE Asystem zero can be performed by clicking Zero System at any time It is advised to wait until the electrometer and chamber combination is warmed up before zeroing the electrometer A message is displayed on screen to indicate the zero is taking place Zero ing takes approximately 60 seconds to complete Performing Brachytherapy Measurements Continued Options Rate C steaming 2m 101z 1 sec duration Chrg Nomal C Cumulative C Repeating 1 collections Additional Measurement Options If desired select additional options for the measurement The Set Meter command does not need to be used when selecting between these options Streaming When performing a rate measurement Streaming can be checked which allows selection between 2 Hz and 10 Hz acquisi tion rates 2 Hz default acquisition rate 10 Hz signal data is acquired unfiltered NOTE Depending on the capabilities of the ion chamber used 10 Hz operation may give unexpected results When operating in rate streaming mode a duration must b
3. name NOTE It is important to enter the electrom eter serial number correctly Measurements can not be taken unless the electrometer se rial number matches that from the library To Proceed to Measurement From the library screen select the chamber and electrometer or system being used Select the calibration factor to apply to the measurements then proceed to the measure screen by clicking Measure from the bottom row of menu buttons The selected values will transfer to the measurement screen for calculations GO MAXCOMM Software System Name Chamber Model Electrometer Model Report Anet System Factor Comments Enter a unique name for this System System Name J Cancel Z MAXCOMM Software Enter values from the Calibration Report System Name Chamber Model Electrometer Model Report Editing Brachytherapy System Factor Performing Brachytherapy Measurements The Brachytherapy Measurements screen allows you to control and receive data from the electrometer calculate the average measurement and calculate M by applying correction factors Begin by confirming the system factor or chamber and electrom eter attributes that were selected from the Brachytherapy Library 1 If the correct system or chamber and electrometer are displayed set the values for Range Bias and select the Rate or Charge Mode as desi
4. 2 WWW SIANDARDIMAGING S COM MAXCOMM Software Version 2 0 REF 75501 STANDARD IMAGING INC 3120 Deming Way Middleton WI 53562 1461 TEL 800 261 4446 TEL 608 831 0025 FAX 608 831 2202 W4 July 2008 2008 Standard Imaging Inc STANDARD IMAG ING 4 DOC 80457 03 General Precautions CAUTION Do not connect the electrom eter s RS 232 serial port to the telephone line This port is for connection to equipment where no risk of external volt age exists f CAUTION This program is designed for use with the MAX 4000 with firmware version 4 4 and higher and MAX 4001 with firmware 1 0 and higher only CAUTION l To minimize the potential for computer issues do not run the MAX COMM Software con currently with other software programs CAUTION l The MAX COMM Software requires the input of data with proper units to function correctly Warnings and Cautions alert users to dangerous conditions that can occur if instructions in the manual are not obeyed Warnings are conditions that can cause injury to the operator while Cautions can cause damage to the equipment Table of Contents PAGE 2 General Precautions 3 Overview 4 Software Installation 4 MAX COMM Setup 6 Using Brachytherapy or External Beam Libraries Performing Brachytherapy Measurements 12 Performing External Beam Measurements 15 Explanation of Use with Protocols 17 Explanation of Saved File Expor
5. AX 4000 Electrometer serial number starting with F to a PC MAX COMM Setup Continued Main Menu Upon first starting MAX COMM you will have four options available Setup Select communication port settings and standard temperature and pressure Brachytherapy This takes you to the Brachytherapy Library for adding chambers electrometers or systems to your library Once you have created your library select the chamber and calibration you want to use then proceed to the Measure screen to collect measurements and perform cal culations External Beam This takes you to the Ex ternal Beam Library for adding chambers electrometers or systems to your library Once you have created your library select the chamber and calibration you want to use then proceed to the Measure screen to collect measurements and perform cal culations In the setup menu of MAX COMM confirm the settings are appropriate for your system configuration Click Auto to attempt to con figure your COM port settings automatically If the COM port cannot be automatically determined select the appropriate number COM 1 8 from the Select Communication Port pull down menu Click Test to confirm if your MAX electrometer and MAX COMM are communicating properly Select the standard temperature and stan dard pressure values to match the values on your calibration report These values will vary depending on which country you are in and its corresp
6. anation of Use with Protocols NOTE The quantity called M as output needs to be interpreted according to the measurements being done by the user For example if measurements are be ing made for chamber recombination the measurements should be manipulated by the appropriate equation according to the protocol being used The interpretations given below are for External Beam TG 21 TRS 277 TG 51 or TRS 398 protocols The interpretations for brachytherapy are based upon TG 43 or TG 60 If alternative protocols are being used or if other measurements are being done the value of M needs appropriate interpretation The quantity given by MAX COMM is M which is the average of the corrected mea sured value This quantity is to be used in the given protocol you are using to determine absorbed dose in water The symbols given by MAX COMM correspond to the protocol in use depending on the calibration value given e g N These uses are reviewed below I EXTERNAL BEAM For AAPM TG 21 or IAEATRS 277 N or N is used to find N as TG 21 or N TRS 277 See SI Tech Note 4532 Note that the value of Nas OF N also can be entered into the library of MAX COMM but these values will have to be calculated from the calibration value of N Note that the value of M is given as M M Pp P raw elect N where N is the calibration value or the calcu lated value from the calibrated value Refer to the appropriate protocol for
7. disassembled or repaired other than by Standard Imag ing Inc or if the product has been subject to abuse misuse negligence or accident Product _ _ S Warranty Period Standard Imaging lonization Chambers 0 90 days 100 of ADCL Calibration Costs ADCL Product Calibration 91 182 days 75 of ADCL Calibration Costs Standard Imaging uses the UW ADCL for 183 365 days 50 of ADCL Calibration Costs recalibrations required under warranty 366 639 days 25 of ADCL Calibration Costs days from date of shipment to customer Standard Imaging s sole and exclusive obligation and the purchaser s sole and exclusive remedy under the above warranties are at Standard Imaging s option limited to repairing replacing free of charge or revising labeling and manual content on a product 1 which con tains a defect covered by the above warranties 2 which are reported to Standard Imaging Inc not later than seven 7 days after the expiration date of the warranty period in the table 3 which are returned to Standard Imaging Inc promptly after discovery of the defect and 4 which are found to be defective upon examination by Standard Imaging Inc Transportation related charges including but not limited to shipping customs tariffs taxes and brokerage fees to Standard Imaging are the buyer s responsibility This warranty extends to every part of the product except consumables fuses batteries or glass b
8. e entered When measure ment begins a series of rate measurement points will be collected Cumulative When performing a charge measurement select Cumulative to capture a value each second as charge collects Repeating When performing a charge measurement select Repeating to capture a series of timed charge collections Enter a value in the col lections box for the total charge collections desired NOTE Repeating mode only applies to a timed charge collection Continuous and trigger modes do not apply 4 Clicking Retrieve will request data from the electrometer based on the set tings entered in step 1 and display it in the column below the retrieve button In Rate Mode clicking Retrieve will dis play one collected value immediately while Charge Mode will collect charge over the duration set in step 1 and then return the value The maximum collec tion time is 10 minutes 600 seconds If CON is chosen for a collection time the electrometer will collect charge until told to stop A dialog box will appear prompting the user to stop the charge collection Click Stop to end the charge collection and return the value The total collection time will then be displayed in seconds NOTE Repeat this step as many times as needed You can omit values from the cal culations by clicking the check box next to the value Calculations will not be updated until you click calculate again Clicking Clear Data will d
9. elete all data from the list 5 Enter the temperature and pressure of the chamber at the time of measure ments 6 Click Calculate to determine the val ues for P_ and M M is the average of the values retrieved in step 3 from the electrometer NOTE Brachytherapy calibrations are usu ally in units of Amperes and MAX COMM uses Amperes for calibration factors and calculations Therefore when data is taken in the Charge mode this data is divided by the collection time when calculating M If the meter is set to MAX run instead of a timed collection period M will not be computed and N A will be displayed Performing Brachytherapy Measurements Continued Clicking Save will give you a tabular file out put of the information from this calculation An explanation of the format of this file can be found on page 17 of this user manual Clicking Print will print a screen capture of this screen to the current default printer 11 Performing External Beam Measurements The External Beam Measurements screen allows you to control and receive data from the electrometer calculate the average measurement and calculate M by applying correction factors Begin by confirming the system factor or chamber and electrometer attributes that were selected from the Exter nal Beam Library 1 If the correct system or chamber and electrometer are displayed set the values for Range Bias and select the Rate or Charge Mode as d
10. esired If selecting Charge choose the collec tion mode from the adjacent pull down menu There are three charge collection modes e Timed select a collection interval in 15 second increments e Continuous CON charge will collect for an unlimited duration e Triggered TRG charge will collect when the signal rises above and drops below configured thresholds see MAX 4000 manual for information on how to configure threshold values Click on the Set Meter button to set the electrometer to the values selected in step 1 NOTE You must click the Set Meter button to send the configuration to the electrometer each time you make a change to the configuration A setting change will not be updated in the elec trometer until this is performed and no other MAX COMM electrometer func tions can be performed Allow the system to warm up and settle for 10 minutes and then click Zero System Beam Quality 5 Electrometer D Meter Settings Range n e Bia a Mode Rate ae nrg camer 202 rate O omes 2u O wm 00 Chrg Nomal C Cumulative C Repeating Set Meter before proceeding Ten Received Dat Se S External Beam Measurements Screen for lon Chamber and Electrometer Selection MAXCOMM Software Electrometer 6 Meter Settings Range Hi
11. further details the equations for absorbed dose to water for each protocol are given to the right 1 AAPM TG 21 The absorbed dose rate to water per U moni tor units or minutes equation is given by Daer U M UN E Pf ai air where U is monitor units or minutes For interpretation of other symbols see the pro tocol The M given by the MAX COMM is M with a value of N which may be Noas if it was entered into the library If Nas was used the equation above becomes water jU MIU P P ion repl P air D ater If N was used instead of N_ then gas Therefore the equation to be used is re ex pressed as U M U P air D ater ion repl 2 IAEA TRS 277 The absorbed dose to water equation is given by D Pog M Np Snar Pa For interpretation of other symbols see the protocol The M given by the MAX COMM is M with a value of N which may be N if it was entered into the library If N was used the equation above becomes 15 Explanation of Use with Protocols Continued DAL eff M Sy air P If N was used instead of N then wad Xo Nx Therefore the equation to be used is re expressed as D P eff MS air P 3 AAPM TG 51 and TRS 398 The absorbed dose to water equation is given by 60 Co D MN For interpretation of other symbols see the appropriate protocol The M given by the MAX COMM is M with the value of N expressed as
12. gh Bias __0 V Mode gt Rate chr nrg 015 sec Options D O Gog ee 0 ae Ove Ce Chrg Nomal C Cumulative C Repeating 1 collections Set Meter before proceeding H al 760 mmHg yds Chamber ___ C mmHg Enter the cument Temperature and Pressure M M Pr N p id a v o o o v a bd 3 8 i a cluded in calcul a a a External Beam Measurements Screen for System Factor NOTE Asystem zero can be performed by clicking Zero System at any time It is advised to wait until the electrometer and chamber combination is warmed up before zeroing the electrometer A message is displayed on screen to indicate the zero is taking place Zero ing takes approximately 60 seconds to complete 12 Performing External Beam Measurements Continued Options Rate C steaming 2m 101z _ 1 sec duration Chrg Nomal C Cumulative C Repeating 1 collections Additional Measurement Options If desired select additional options for the measurement The Set Meter command does not need to be used when selecting between these options Streaming When performing a rate measurement Streaming can be checked which allows selection between 2 Hz and 10 Hz acquisi tion rates 2 Hz default acquisition rate 10 Hz signal data is acquired unfiltered NOTE Depending on the capabili
13. gqa no Nel hio esa Comments New Brachytherapy Chamber Enter the Model and Serial Number for this chamber Serial Number A Cancel IL ox s IO MAXCOMM Software MAXCOMM Software Chamber Details Using Brachytherapy or External Beam Libraries Creating a New Electrometer Profile 1 Click new adjacent to Electrometers on the Brachytherapy or External Beam Library screen 2 Select between MAX 4000 or MAX 4001 and enter the serial number of the electrometer you wish to add to the library NOTE It is important to enter the electrom eter serial number correctly Measurements can not be taken unless the electrometer se rial number matches that from the library 3 Enter the calibration report number and date charge high range charge low range current high range and current low range calibration factors Click save to store the entry and return to the library interface screen NOTE From the main library screen you can edit an electrometer s attributes by selecting it from the list and clicking edit All values can be modified excluding model name and serial number Get Attached Meter Ifa MAX 4000 or MAX 4001 is attached the Get Attached Meter button can be clicked to add it to the library If it is new to the library MAX COMM
14. ll run in threshold detection charge collection mode using the threshold levels set within the elec trometer The electrometer will start and stop charge collections automatically see electrometer user manual MAX COMM will retrieve completed charge collections continuously until the stop button is pressed NOTE Repeat this step as many times as needed You can omit values from the calculations by clicking the check box next to the value Calculations will not be updated until you click calculate again Clicking Clear Data will delete all data from the list Enter the temperature and pressure for the chamber at the time of measure ment Click Calculate to determine the val ues for P_ and M M is the average of the values retrieved in step 3 from the electrometer 13 Performing External Beam Measurements Continued NOTE External Beam calibrations are usu ally in units of coulombs and MAX COMM uses coulombs for calibration factors and calculations Therefore when data is taken in the Rate mode this data cannot be used when calculating M If the meter is set to Rate mode M will not be computed and N A will be displayed Clicking Save will give you a tabular file out put of the information from this calculation An explanation of the format of this file can be found on page 17 of this user manual Clicking Print will print a screen capture of this screen to the current default printer 14 Expl
15. maging does not provide loaner products See the Standard Imaging Warranty and Customer Responsibility for additional information Serialization Information Standard Imaging products that are serial ized contain coded logic in the serial number which indicates the product day and year of manufacture and a sequential unit number for identification AYY DDD X A Unique product ID YY Last two digits of the year e g 1999 99 2000 00 DDD Day of the year 1 lt DDD lt 365 X Unique unit ID Number 1 lt X lt 9 Customer Responsibility This product and its components will perform properly and reliably only when operated and maintained in accordance with the instruc tions contained in this manual and accompa nying labels A defective device should not be used Parts which may be broken or missing or are clearly worn distorted or contaminated should be replaced immediately with genuine replacement parts manufactured by or made available from Standard Imaging Inc CAUTION Federal law in the U S A and Canadian law restrict the sale distribution or use of this product to by or on the order of a licensed medical practitioner The use of this product should be restricted to the supervision of a qualified medical physicist Measurement of high activity radioactive sources is potentially hazardous and should be performed by qualified personnel Should repair or replacement of this product become necessary after
16. n may vary Contact Standard Imaging with your serial number for more information See www standardimaging com for applicable tech notes Specifications are subject to change without notice 18 Service Policy If service including recalibration is required please contact Standard Imaging s Customer Service department by phone or email prior to shipping the product Standard Imaging s Customer Service and Technical Service staff will attempt to address the product is sue via phone or email If unable to address the issue a return material authorization RMA number will be issued With the RMA number the product can be returned to Standard Imaging It is the responsibility of the customer to properly package insure and ship the product with the RMA number clearly identified on the outside of the pack age The customer must immediately file a claim with their carrier for any shipping damage or lost shipments Return shipping and insurance is to be pre paid or billed to the customer and the customer may request a specific shipper Items found to be out of warranty are subject to a minimum service fee of 1 hour labor excluding recalibrations for diagnostic efforts and require a purchase order PO before service is performed With concurrence from customer the product may be replaced if it is unserviceable or if the required service is cost prohibitive Products incurring service charges may be held for payment Standard I
17. onding standards These settings will be saved by the software and if you have not changed your opera tional parameters do not need to be selected each time the program is loaded MAXCOMM Software Enter setup to select the communications port and set the Standard Temperature and Pressure Enter Brachytherapy chamber and electrometer calibration information Enter External Beam chamber and electrometer calibration information Exit Program MAX COMM Main Menu QUIT Ends the current MAX COMM ses sion The above options are available from the menu bar located on the bottom of each screen of MAX COMM for quick naviga tion MAXCOMM Software Communications Select COM Port Serial Communication Port _COM1 Standards This is defined by the temperature and pressure stated on the Calibration Reports Select Standard Temperature Select Standard Pressure 200C 1atm 760 mmHg 220C 101 3 kPa _ min E _ersctymerapy Etenaren ou MAX COMM Setup Screen Using Brachytherapy or External Beam Libraries By choosing either Brachytherapy or Ex ternal Beam from the main menu of MAX COMM the corresponding library screen is opened From here the option to create new library entries edit existing chamber or electrometer profiles or create edit systems becomes available When clicking new a dialog box appears prompting for the name of the chamber electrometer
18. or system depending on which was selected Creating a New Chamber Profile 1 Click new adjacent to lon Chambers 2 Enter in the model name and serial number of the chamber you wish to add and click OK If you are entering a chamber within the Brachytherapy Library you will be prompted to choose between an IVB or LDR HDR source type calibration Likewise if you are entering a chamber within the External Beam Library you will be prompted to choose between an air or water calibra tion type 3 Enter the required fields for brachytherapy or external beam cham bers Click Save to return to the library interface screen From the main library screen you can edit a chamber s attributes by selecting it from the list and clicking edit All values can be modified excluding model name and serial number NOTE You are not required to enter all of the calibration factors listed on the library screen Enter only those factors that you use O MAXCOMM Software system library _ Chambers Select a chamber and or electrometer from the library lon Chambers new_ Model Serial Isotope Electrometers new_ Model Serial seriatz Modet _____ _Seriarz Cal Report Date Cal Report Isotope Cal Factors Rate Charge High Range nARdg nC Rdg LowRange __ pARdg _ pciRdg Comments Amil Cab Potarity _ ______ 5 0 Nal x tL ley ni na D O New toe nt ta aie Nel x 10LJe
19. reakage Standard Imaging Inc shall not be otherwise liable for any damages including but not limited to incidental damages consequential damages or special damages Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days This warranty is in lieu of all other warranties exclick or implied whether statutory or otherwise including any implied warranty of fitness for a particular purpose In no event shall Standard Im aging Inc be liable for any incidental or consequential damages resulting from the use misuse or abuse of the product or caused by any defect failure or malfunction of the product whether a claim of such damages is based upon the warranty contract negligence or otherwise This warranty represents the current standard warranty of Standard Imaging Inc Please refer to the labeling or instruction manual of your Standard Imaging Inc product or the Standard Imaging Inc web page for any warranty conditions unique to the product 20 a ET
20. red If selecting Charge choose the collec tion mode from the adjacent pull down menu There are three charge collection modes e Timed select a collection interval in 15 second increments e Continuous CON charge will collect for an unlimited duration e Triggered TRG charge will collect when the signal rises above and drops below configured thresholds see MAX 4000 manual for information on how to configure threshold values 2 Click onthe Set Meter button to set the electrometer to the values selected in step 1 NOTE You must click the Set Meter button to send the configu ration to the electrometer each time you make a change to the configuration A setting change will not be updated in the electrometer until this is performed and no other MAX COMM electrometer functions can be performed GMAXcomm Software No Serial No Isotope Calibration Chamber ee x10 Electrometer Meter Settings Range Lin e Bia as o v Mode Rate Chrg 015 sec 1 sec duration ze mber c Enter the current Temperature and Pressure d valu juded in Brachytherapy Measurements Screen for lon Chamber and Electrometer Selection O MAXCOMM Software Chamber x10 I Rdg Electrometer a Meter Settings Range Lion e Bia eav a Mode Rate Chrg
21. stalled to your hard disk a shortcut will be added to your desktop and Start menu Ensure a MAX 4000 or MAX 4001 Electrometer is properly connected to the serial port on the computer when utiliz ing the communication functions of this program Visit www standardimaging com for new MAX COMM Software version information and availability MAX COMM Setup Equipment Setup Instructions for MAX 4000 serial number starting with E and MAX 4001 units Using the DB 9 adaptor and 4 wire phone cable supplied with your electrometer con nect the adapter to an open serial port on the PC on which you intend to install the MAX COMM Software Connect one end of the phone cord to the adaptor and the other end to the RJ 11 connector on the MAX 4000 or MAX 4001 It is not necessary to have Figure 1 Connecting a MAX 4000 serial num your PC powered down to either connect or ber starting with E or MAX 4001 Electrometer disconnect the electrometer from the serial to aPC port Refer to Figure 1 NOTE Use only the adaptor supplied with the electrometer Instructions for MAX 4000 serial number starting with F Using the serial cable supplied with your electrometer connect the MAX 4000 to an open serial port on the PC on which you intend to install the MAX COMM Software It is not necessary to have your PC powered down to either connect or disconnect the electrometer from the serial port Refer to Figure 2 Figure 2 Connecting a M
22. t 18 Software Requirements and Specifications 19 Service Policy 19 Customer Responsibility 20 Warranty Overview W4 STANDARDIMAGING 4 3120 DEMING WAY MIDDLETON WI 53562 1461 USA WWW STANDARDIMAGING COM MAX COMM Software is designed to be an advanced communication and control ap plication for use with the Standard Imaging MAX 4000 and MAX 4001 Electrometers The user can create and store a large library of Electrometers and lonization Chambers including the calibration factors that can be applied to measurement data Using the measurement functions the user can remotely control their electrometer and retrieve data on their computer From here the calibration factors and temperature and pressure corrections can automatically be applied The option to print the measurement form also exists along with the ability to save the measurement data to file Operating with this program requires a MAX 4000 with firmware version 4 4 or higher or MAX 4001 with firmware 1 0 or higher to take advantage of the communication components in both library and measure ment modes To ensure your electrometer is compatible with the MAX COMM Soft ware please contact Standard Imaging for more information on how to upgrade your electrometer s firmware Software Installation MAX COMM Software is distributed via CD ROM directly from Standard Imaging To use the software run the install program from the CD Once the program has been in
23. the warranty pe riod the customer should seek advice from Standard Imaging Inc prior to such repair or replacement If this product is in need of repair it should not be used until all repairs have been made and the product is function ing properly and ready for use After repair the product may need to be calibrated The owner of this product has sole responsibility for any malfunction resulting from abuse improper use or maintenance or repair by anyone other than Standard Imaging Inc The information in this manual is subject to change without notice No part of this manual may be copied or reproduced in any form or by any means without prior written consent of Standard Imaging Inc Warranty Standard Imaging Inc sells this product under the warranty herein set forth The warranty is extended only to the buyer purchasing the product directly from Standard Imaging Inc or as a new product from an authorized dealer or distributor of Standard Imaging Inc For a period provided in the table below from the date of original delivery to the purchaser or a distributor this Standard Imaging Inc product provided in the table is warranted against functional defects in design materials and workmanship provided it is properly operated under conditions of normal use and that repairs and replacements are made in accordance herewith The foregoing warranty shall not apply to normal wear and tear or if the product has been altered
24. ties of the ion chamber used 10 Hz operation may give unexpected results When operating in rate streaming mode a duration must be entered When measure ment begins a series of rate measurement points will be collected Cumulative When performing a charge measurement select Cumulative to capture a value each second as charge collects Repeating When performing a charge measurement select Repeating to capture a series of timed charge collections Enter a value in the col lections box for the total charge collections desired NOTE Repeating mode only applies to a timed charge collection Continuous and trigger modes do not apply Clicking Retrieve will request data from the electrometer based on the set tings entered in step 1 and display it in the column below the retrieve button In Rate Mode clicking Retrieve will dis play one collected value immediately while Charge Mode will collect charge over the duration set in step 1 and then return the value The maximum collec tion time is 10 minutes 600 seconds If CON is chosen for a collection time the electrometer will enter a continuous charge collection mode and collect charge until told to stop A dialog box will appear prompting the user to stop the charge collection Click Stop to end the charge collection and return the value The total collection time will then be displayed in seconds If TRG is chosen for a collection time the electrometer wi
25. will retrieve the model and serial number from the electrometer and prompt you for calibration information Click save to add to the library NOTE If no electrometer or an incompatible device is connected to the serial port a warn ing will display aborting the operation Message Select the electrometer model Cancel MAX 4001 F Enter the Serial Number for this meter Serial Number J Cancel w 3 EE Oo Seer Enter values from the Calibration Report Modet Ax 4000 _ Serial Cal Report Cal Date Charge High Range Charge Low Range Current High Range Current Low Range Comments Electrometer Details Using Brachytherapy or External Beam Libraries Creating a New System Profile 1 Select system library on the top right corner of the screen and click new adjacent to Systems 2 Enter a name for the system you wish to create 3 Enter the chamber model and serial number electrometer model and serial number and system calibration factor The chamber and electrometer values do not relate to the chambers and electrometers already entered into the library These are independent entries from the individual components library Click save to return to the library inter face screen On the main library screen you can edit a system s attributes by selecting it from the list and clicking edit All values can be modified excluding the system factor
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