2.4.3 Adjusting the LCD Contrast & Beeper Volume,
Switching the Beeper & Vibrator, and Checking
the Battery Voltage Level
[ 1 ] Adjusting the LCD Contrast & Beeper Volume and
Switching the Beeper & Vibrator
LCD CONTRAST
BEEPER
BEEPER VOLUME
LCD CONTRAST
VIBRATION
LCD CONTRAST
BEEPER VIBRATION
BEEPER VOLUME