Mute
Press this button to mute the sound at once. Press again to return to the previous volume level.
Dual illumination
When press the MUTE button for more than 2 seconds, it is activated as selecting Green or Red buttons illumination.
Volume control/select
Rotating this knob, you can adjust VOL/BASS/TREB/BAL/FAD. To select the functions, press the VOL knob shortly until the desired functions are shown on the display.
Increase or decrease the volume by turn the VOL knob right or left. These buttons can be used to adjust the BASS, TREBLE, BALANCE and FADER.
Other functions
To choose the corresponding mode, press VOL/SEL knob for 2 seconds, and then press it repeatedly until the display shows the mode. Rotate the knob to choose the needed value. After choosing, please leave the unit idle to activate.
TA SEEK/TA ALARM
In TA SEEK mode, the unit will seek for traffic announcement program when TA is pressed; in TA ALARM mode the alarm is set off.
MASK DPI/MASK ALL
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