NARDA EFA-200 - Basic Unit Display; Liquid Crystal Display; Backlight; Contrast

EFA-200/-300 4 Control and display elements
4-5
4.2 Basic Unit display
4.2.1 Liquid crystal display
The content and format of the display vary greatly according to the
operating mode. Section 6 (Operating modes) explains these displays with
illustrations.
4.2.2 Backlight
Note: The display backlight uses a lot of energy and should therefore only
be used when absolutely necessary.
Switching on the backlight
⇒ Press the LIGHT key.
The display backlight switches on.
Switching off the backlight
The display backlight switches off automatically after one minute.
– or –
⇒ Press the LIGHT key.
The display backlight switches off.
4.2.3 Contrast
Setting the contrast
1. Press the CONTRAST key.
The CONTRAST menu appears.
2. Use the UP/DOWN keys to change the contrast setting.
The bar indicates the display contrast. Its length depends on the setting.
3. Press any key except UP/DOWN.
The CONTRAST menu closes. The menu previously activated is
displayed again.