Zie
handleiding pagina 20:
1.5 Can I adjust the display lighting & contrast?
How do I adjust the lights?
You can adjust the display and keypad lighting by:
1. Pressing disp for 1 second from any mode to access the LAMP screen and
turn on the lights.
2. Press the disp button to cycle through the possible illumination settings:
LAMP 3 (the brightest setting), LAMP 2, LAMP 1, OFF, LAMP 1,
LAMP 2, LAMP 3 and so on:
• as you change the setting, the illumination on any other SeaTalk instruments
or control units will also change.