Sniper Automotive Truck Nav, Hardware User'S Manual

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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;
4.7 Backlight setting
Single click to enter backlight setting interface as 4-25
；
4-25
Close Exit “backlight setting” interface;