Installation Manual

32
Close Exit “volume setting”interface;
Volume -
Single click to decrease the volume
gradually; there are 10 ranks for volume
from mute to maximum. Single click will
decrease one rank.
Volume +
Single click to increase the volume
gradually; there are 10 ranks for volume
from mute to maximum. Single click will
increase one rank.
Click the
screen tone
By clicking the left/right shift button to set
the on/off key tone,with loud,soft,and off the
three states;
Turn left Turn on/ off screen click tone;
Turn right Turn on/ off the screen click tone;
Present
volume
Yellow blanks shows the present volume
level;
4.12 Backlight setting
Single click to enter backlight setting interface as 4-25；