Furuno DS-60 - Manual (Page 54)

5. OTHER OPERATIONS
5-4
5.2 Key Beep On/Off
A key beeps when it is pressed. You can turn this beep on or off.
1. Press the MENU/ESC key to open the menu.
2. Select [Key Beep] then press the ENT key.
3. Select [ON] or [OFF] then press the ENT key.
4. Press the DISP key to close the menu.
5.3 How to Adjust Key Dimmer
You can adjust the dimmer for the keys as follows:
1. Press the MENU/ESC key to open the menu.
2. Select [Key BRILL] then press the ENT key.
3. Select a dimmer level then press the ENT key. The higher the figure, the higher
the dimmer level.
4. Press the DISP key to close the menu.