Gq Gmc Geiger Counter Multi-Function Keys; Key1; Key2; Key3 - GQ Electronics GMC-SE User Manual

GQ GMC Geiger Counter Multi-Function Keys

The multi-function keys, Key1, Key2, Key3 and Key4 explained:
These key's function will be reassigned dynamically based on the context of the current
(sub-) menu being displayed.

Key1

1. There are three display modes: Text, Large Font and Graphic mode.
Pressing the Key1 toggles between these modes.
2. In the menu screen, pressing the Key1 will exit the current menu and will return
back one menu level.
3 In the data input mode, pressing the Key1 will delete the last character entered.

Key2

1. In text mode, pressing the Key2 will change the text information format.
2. In graphic mode, the Key2 will increase the graphic ZOOM factor.
3. In menu mode, the Key2 acts as the UP key to move the highlight menu item
upwards.
4. In the menu mode, while a popup message box is opened, the Key2 changes the
value by cycling through the predefined values.

Key3

1. In text mode, pressing the Key3 will change the displayed date/time selection.
2. In graphic mode, the Key3 will decrease the graphic ZOOM factor.
3. In menu mode, the Key3 acts as the DOWN key to move the highlight menu item
downwards.
4. In the menu mode, while a popup message box is opened, the Key3 changes the
value by cycling through the predefined values.

Key4

1. In power off state, only the Key4 acts as the power switch. Holding it for 3 seconds
will power up the unit.
2. In power on state, holding Key4 for 3 seconds will switch the unit off.
3. In menu mode, Key4 is the "Confirm", "Select", "Enter" key

Power saving mode

The unit's factory default power saving mode is ON. In this mode, the unit will turn off the
display after 30 seconds of idle time. It turns on the LCD display when any key is pressed.
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