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generally called Navigation Key.
2.1.4 Side Key Function
Side Key has convenient functions.
Within certain time, if the user didn’t operate any
function of handset, mobile phone will auto switch off
the back light.
1
．
Press
Left Side Key
to light the backlight
when it is off.
2
．
During a call, press
Left Side Key
to modulate
earpiece volume.
3
．
In standby, press
Left Side Key
to modulate
key tone.
4
．
When alarm is alerting, press Up Left Side Key
to
“Stop
” alarm and press Down Left Side Key
Summary of Contents for ZT306
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