GQ Electronics GMC-320 Plus User Manual Download Page 23

 

23 

 
 

Contrast Adjustment 

 

     

 

 
Use  S2 and S3 to adjust the contrast level. The contrast level will be saved and it will be 
used when the unit is ON. 
 
 

Timed Count 

 
The Timed Count can be started with a schedule OR without a schedule.   
 
When it started with a schedule, the Timed Count will be started after a scheduled time 
period passed.  This is useful if a testing target is not ready immediately. 
 
When it started without a schedule, the Timed Count will be started immediately once the 
timed count period is set. 
 
The Timed Count can be set from the menu: 
 

  

 

 
 

Set a schedule 

 

 

 
This example shows the schedule is set to 2 minute.   
 

Navigation keys: 

 

S1:  Back/Exit 
S2:  Increase the cursor position value  
S3:  Decrease the position value. 
S4:  Move the cursor to input data type between Day, Hour, Minute and Second. 

 
 

Set Timed Count Duration 

 
There are 5 preset durations from menu: 1 minutes, 10 minutes, 100 minutes, 12 Hours and 
24 Hours. 
 
If the duration is not listed, then you can set a new duration (1 second to 256 days) from 
menu Other duration: 
 

Summary of Contents for GMC-320 Plus

Page 1: ...GQ GMC 320 Plus Geiger Counter User Guide GQ Electronics LLC Revision 2 13 Sep 2017...

Page 2: ...GQ Electronics LLC Revised for firmware 3 18 Re 2 00 Jan 2015 GQ Electronics LLC Revised for V4 firmware 4 00 Re 2 10 Jul 2015 GQ Electronics LLC Content revise Re 2 11 May 2016 GQ Electronics LLC Co...

Page 3: ...t 14 Date and Time setting 15 Data Saving Setting 15 Threshold Data Saving Setting 16 Add Note or Add Location for data saving 16 Note Location Input 16 History data searching 17 History data menu 17...

Page 4: ...com 28 Software 28 Auto Submit Data Protocol 28 Applications 29 Stationary Application 29 Other technical details you may want to know 29 Data Port 29 USB Port 30 Data collection time 30 Tube recover...

Page 5: ...5 ACKNOWLEDGEMENTS TO BE FILLED...

Page 6: ...l time clock on board for time related data logging purposes The USB port communicates with the GQ GMC 320 Plus Soft Geiger Counter software and the GQ Geiger Counter Data Viewer software The GQ GMC 3...

Page 7: ...or mR h After GMC 320 turned on for one minute it will show the background radiation reading The background radiation reading in CPM indicates the nature radiation detected at that minute This readin...

Page 8: ...0 second if no key is being pressed during this period 4 Now the unit is ready to use You should see the background CPM rate in absence of a radioactive source Note There is a transparent protective s...

Page 9: ...ce manger you should see which COM port is assigned to the GMC 320 Plus See the example below Windows assigned COM3 to the GMC 320 Plus unit in this example For the data viewer or the data logger soft...

Page 10: ...em upwards 4 In the menu mode while a popup message box is opened the S2 key changes the value by cycling through the predefined values S3 key 1 In text mode pressing the S3 key will change the displa...

Page 11: ...be stored when the Popup Window has timed out after 3 seconds if no key has been pressed Graphic User Interface GUI Graphic Icons Graphic ZOOM factors 0 1 0 2 0 3 1 0 2 0 3 0 4 0 5 0 AUTO Battery Stat...

Page 12: ...12 Average CPM of a specific time frame Maximum CPM since power on...

Page 13: ...t date and time Press S3 for toggling between date and time Current radiation level reading in CPM Current radiation level in Sv h or mR h format Total count Elapsed time since power on Press S2 for t...

Page 14: ...ction S3 Sv h mR h CPM selection S4 Menu NOTE Large Font Mode is available in firmware Ver 2 20 or later only Menu Display Main Menu Navigation keys S1 Back S2 Up S3 Down S4 Select Enter User Option N...

Page 15: ...ode between Year Month Date Hour Minute and Second Each key press will change the mode to be set NOTE Setting of Date and Time is important all history data use Date and Time as a time stamp reference...

Page 16: ...Threshold saving mode data only will be logged if it exceed the threshold value The data will not be logged while viewing history data in the History Data menu Threshold Data Saving Setting Select th...

Page 17: ...ery minute H indicates that data has been recorded every hour Searching data in text mode The first symbol indicates this is saved history data to distinguish from real time data display The current h...

Page 18: ...een to confirm the request After about 3 seconds with Yes confirmation the unit will start to erase entire saved history data It may take a few seconds to complete the task Swivel Display Setting Pres...

Page 19: ...user can enter up to three calibration points from large to high count rates Procedure 1 Place the testing radiation source 30mm away to the center of unit Geiger Tube side In Text or Graphic mode wai...

Page 20: ...item and change the popup Windows message to Yes Wait for popup message window s timeout to confirm the reset request Any other key press will cancel the reset request It may take up to 30 seconds to...

Page 21: ...g the power saving mode Pressing any key will active the LCD backlight again The unit movement does not weak up the unit if the motion detection is OFF Motion Detection GMC 320 has motion detection fe...

Page 22: ...e real time gyroscope data It displays current unit X Y Z axis data and detected motion event Such as single tap OR double tap Communication Baud Rate This Geiger counter serial communication baud rat...

Page 23: ...hout a schedule the Timed Count will be started immediately once the timed count period is set The Timed Count can be set from the menu Set a schedule This example shows the schedule is set to 2 minut...

Page 24: ...starts immediately after the duration set If the Schedule is set then the Timed Count will be started after a scheduled time period passed This is useful if a testing target is not ready immediately O...

Page 25: ...25 About This menu item is used to gather information about the instruments model number firmware revision and serial number Model information Firmware version Unit serial number...

Page 26: ...a from GMC 320 Plus Real time monitoring with graphic when it connected with GMC 320 Plus Save the history data in bin OR csv MS Excel format Synchronize the data and time to GMC 320 Plus with compute...

Page 27: ...SPEAKER1 ALARM0 ALARM1 GETVOLT GETGYRO GETCFG GETCPS GETTEMP HEARTBEAT0 HEARTBEAT1 GETDATETIME CFGUPDATE POWEROFF POWERON SETDATETIME FACTORYRESET For detailed communication protocol commands please...

Page 28: ...tware automatically submitted data The following tested software are free for automatic submit data feature 1 GQ Geiger Counter Data Logger PRO works on all Geiger Counter 2 GQ Geiger Counter Data Vie...

Page 29: ...confirm the location If a location change warning received the user need to confirm the location from that Geiger Counter profile OR Create another Geiger Counter from your account In this case you c...

Page 30: ...Power Saving mode to extend the battery operating time Turn off the speaker if it is not necessary If a fully charged battery run out in less than 5 operating hours then the battery needs to be replac...

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