GX-3R Pro Operator’s Manual Chapter 5: User Mode and Calibration • 108
Auto Backlight in Low Light (AUTO BACKLIGHT)
The GX-3R Pro has a luminescence sensor that allows the instrument to detect how bright an
environment is.
ON (factory setting): The instrument’s backlight automatically turns on in a low light
environment.
OFF: The instrument’s backlight does not automatically turn on in a low light environment.
1. While in User Mode, use AIR to place the cursor next to AUTO BACKLIGHT.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to User Mode.
5. See “Returning to Measuring Mode (START MEASURE)” on page 117 to return to
Measuring Mode.
Updating the Backlight Time (BACKLIGHT TIME)
This setting defines how long the LCD backlight stays on when you press any button. The
minimum setting is OFF; the maximum setting is 255 seconds. The factory setting is 30 seconds.
1. While in User Mode, use AIR to place the cursor next to BACKLIGHT TIME.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to User Mode.
MAINTE 7:49
CONFIRMATION
AUTO BACKLIGHT
BACKLIGHT TIME
USER MODE
MAINTE 7:49
AUTO BACKLIGHT
BACKLIGHT TIME
KEY TONE
USER MODE
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