Kyocera EN - Manual (Page 34)

24 Making and Receiving Calls
Setting the backlight
To save battery power, do not set the backlight to always on.
1. Press or under [MENU].
2. Press 6 1 to select Backlight.
3. Press to cycle through the options: always on, always off, 10
seconds, 30 seconds, 10 sec + call, or 30 sec + call. (The “+ call” options
cause the light to remain on for the duration of the call.) A check mark
shows which option is selected.
4. Press or under [OK] to select the option you want.