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 2.GQ Geiger Muller Counter
 Bug in Firmware GMC-320+V5 Rev 5.16
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4 Posts

Posted - 07/18/2018 :  23:17:54  Show Profile  Reply with Quote
There is bug in GMC-320+V5 Rev 5.16 regarding the display mode selection.

When the number of pulses per second exceeds a certain level(about 15 or so), if the Motion Detect is enable, the display continuously toggles between Text, Graphic and Large font mode.

It is not linked to the CPM but its derivative. If there is too much pulses in 1 second, the displays will flip.

May be a high level of impulses could also affect the gyroscope IC.
Reply #1


800 Posts

Posted - 07/19/2018 :  11:22:19  Show Profile  Reply with Quote
It is a feature of the motion detect that if the device vibrates(detected by the gyro), the set display mode is toggled.
The continuously changing display is probably caused by the vibration of the speaker when motion detect is on.
Try turning off the speaker or the motion detection to off to avoid this issue.
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Reply #2


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Posted - 07/26/2018 :  14:45:07  Show Profile  Reply with Quote
Many thanks EmfDev for your reply.
you are CORRECT, the speaker vibrations activate the gyro and flip the display.
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