12.
RDM
Under USB/SD mode, press this key shortly for playing at random. No function when under FM mode.
13.
EQ /Loud (If available): Click this key for Pop-Rock-Classic-EQ off. Press long time for Loud On/Off. If
these keys are not combined together, then click each key shortly to achieve each function.
14.
DIR -
Under USB/SD mode, click this key long time to achieve folder downwards
15.
DIR +
Under USB/SD mode, click this key long time to achieve folder upwards.
16.
ST/MON (If available)
Under FM mode, click this key shortly to switch between STEREO and MONO. No function under other
mode.
17.
SEL (SELECT)
SEL buttons are volume control and menu buttons (+) (-) Bass/ Treble/ Balance/ Fader
• A. Click the big rotating round SEL button to start up the following circular selection modes of electronic
audio: Bass(BA) > Treble (TR) > Balance (bL) > Fader(FF) > LOUD OFF (LO FF) > EQ OFF (EqOF) > Volume
(U)
• B. Volume Control
1. 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.
2. When the audio mode is not set in the default of volume control mode, you can press SEL button
repeatedly until the LED displays "U"; 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 LED displays "BA".
2. Revolve rotating volume button SEL to adjust the bass effect.
• D. Treble Control
1. Press SEL button repeatedly until the LED displays "TR".
2. Revolve rotating volume button SEL to adjust the treble effect.
• E. Balance Control BAL for Front Left/Right Loudspeakers
1. Press SEL button repeatedly until the LED displays "BL".
2. Revolve SEL button clockwise/ anticlockwise to adjust the audio balance of front left/right loudspeakers.
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