Adjusting The Lcd Screen; Adjusting The Contrast; Restoring The Default Contrast; Turning The Backlight On/Off - Commtest Instruments vb Series Instrument Reference Manual

Adjusting the LCD Screen

Adjusting the Contrast

•
From the Main Menu press and hold
•
Press and hold
If the screen flickers when the cursors or highlight bar are moved
rapidly, make the LCD darker.

Restoring the Default Contrast

•
From the Main Menu press
contrast.

Turning the Backlight On/Off

The backlight provides better LCD visibility in dark environments.
•
In any screen, press
Note: The backlight consumes a relatively high level of power and
will automatically turn off if the battery voltage falls below 6.1 V.

Setting the Date and Time

•
From the Main Menu, press
160 Section 11: Utilities
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to lighten the LCD.
+
+ to turn the backlight on/off.
Date & Time.
to darken the LCD.
to restore the default