GQ Electronics GMC-320 Plus - Large Font Mode; Menu Display; User Option; Alarm Set

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Large Font Mode:
, Current date and time (Change it in Text Mode)
S2 key toggles between CPM, µSv/h and mR/h mode
Navigation keys:
S1: Text/Graphic/Large Font Display Mode Selection
S2: µSv/h, mR/h, CPM selection à
S3: µSv/h, mR/h, CPM selection ß
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
Navigation keys:
S1: Back S2: Up S3: Down S4: Select/Enter
Alarm Set
Currently the CPM alarm mode is selected
The audio alarm will be triggered once the radiation level reaches the
preset alarm threshold.