User Manual

Your F66
7
Headset. Shown when the
headset is connected to the jack
and the headset function is
enabled.
Beep Only. Shown when the
incoming call alert is set to “Beep
Only”.
Backlight
When pressing a key or answering incoming call, the
backlight will automatically turn on for 10 to 30
seconds or you can define the backlight duration
(ranges from 1 0– 99 seconds) by preference. For
information on the setting, please refer to “Normal” in
“Settings”.
.