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7.2.9.7 Set backlight
The backlight mode can be changed by using the Scroll up or the Scroll down
button. The selection has to be acknowledged by pushing the
Enter button.
Selecting “Backlight auto”, the back light is switched off after 30 sec. of inactivity.
The back light is switched on again with any keystroke. Selecting “Backlight on” or
“Backlight off”, the backlight is switched on or off permanently. With these
backlight modes the backlight can be always switched on or off by briefly pushing
the On/Off Switch.
Set backlight
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Backlight on
Backlight auto
Backlight off
Use ↑↓ to change and
press <┘key to accept !
Figure 42: Adjusting the backlight
7.2.9.8 Set contrast
The contrast of the display can be changed by using the Scroll up or the Scroll
down button. The selection has to be acknowledged by pushing the Enter button.
Set contrast
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55%
Use ↑↓ to change and
press <┘key to accept !
Figure 43: changing the display contrast