13.
RDM (Random): Under USB/SD mode, click this key shortly for playing at random. No function
under FM mode.
14.
DIR+: Under USB/SD mode, press this key long time to achieve folder upwards.
15.
DIR-: Under USB/SD mode, press this key long time to achieve folder downwards
16.
SEL (SELECT): SEL buttons are volume control and menu buttons (+) (-) Bass/ Treble/ Balance/
Fader
A. Start Up
Click the big rotating round SEL button to start up the following circular selection modes of electronic
audio: Bass(BAS) / Treble (TRE) / Balance (BAL) / Fader (FAD)
B. Volume Control
a) When the audio mode is set in the default of volume control mode, revolve SEL button clockwise/
anticlockwise to adjust the volume at will by your requirement.
b) When the audio mode is not set in the default of volume control mode, you can press SEL button
repeatedly until the LCD displays "VOL"; then revolve rotating volume button SEL. In this way, you
can adjust the volume according to your requirement.
C. Bass Control
1. Press SEL button repeatedly until the LCD displays "BAS".
2. A clockwise rotation can turn up the volume and an anticlockwise rotation can turn down the
volume and adjust the bass effect.
D. Treble Control
1. Press SEL button repeatedly until the LCD displays "TRE".
2. Revolve rotating volume button VOL to adjust the treble effect.
E. Balance Control BAL for Front Left/Right Loudspeakers
1. Press SEL button repeatedly until the LCD displays "Bal".
2. Revolve SEL button clockwise/ anticlockwise to adjust the audio balance of front left/right
loudspeakers.
4. Panel Keys Function & Operation
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