Backlight Brightness Adjustment - East Tester ET-2712 RTD User Manual

2.3 Backlight Brightness Adjustment

1. To adjust the brightness of backlight, proceed as follows:
2. Please press
will display as shown in Figure 2.3-1:
3. Press and
4. Press
will enter into the work mode(Without pressing key for 5 seconds, the calibrator
will exit from the adjustment automatically).
and simultaneously until the buzzer work, then the screen
Figure 2.3-1
to adjust the brightness of backlight.
to save brightness level, will appear and then the calibrator
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