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Using The Test Tool
Changing Backlight
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Changing Backlight
After power-up, the screen has a high bright display.
To save battery power, the screen has an economic
brightness display when operated on the battery pack (no
power adapter connected).
Note
Using dimmed display lengthens maximum
battery power operation time.
To change the brightness of the display in Fluke 123, do
the following:
Dim the backlight.
Brighten the backlight again.
In Fluke 124, do the following:
Press to get access to the display
functions.
Select LIGHT
Dim or brighten the backlight.
The high brightness increases when you connect the
power adapter.
.