
Operation Manual
S15
Page
24
8. Settings
Using the instructions listed below to set up user environment.
8.1 BACKLIGHT AND KEYPAD LIGHTING ADJUSTMENT
Press
“
▲
”“
▼
”on the microphone to select BACKLIGHT option and press
(ENT)
to obtain the following screen.
Then, press “
▲
”“
▼
”to adjust the brightness of backlight. There are 5
levels of brightness. Press
(ENT)
for confirmation and to exit.
8.2 CONTRAST ADJUSTMENT
Using “
▲
”“
▼
”on the microphone to select CONTRAST and press
(ENT)
to obtain the following screen.
Then, press “
▲
”“
▼
”to adjust the contrast of the screen. There are five
levels of contrast. Press
(ENT)
for confirmation and to exit.