FRONT PANEL-CONTROLS AND FUNCTIONS
20.Remote control receiver
21.B System LED display
2.A System SD card input slot
3.A System USB input slot
4.A System Line input slot
5.Microphone 1 input slot
6.1KHz Equalizer
22.LED switch ON/OFF:
Unit power is ON ,all lights ON
1st press: Top Ceiling light OFF / Speaker Light & Decoration LED ON
2nd press: Top Ceiling light ON / Speaker Light & Decoration LED OFF
3rd Press: All Lights OFF
8.Treble increase/weakers
9.BASS increase/weakers
10.A System Volume control
11.A System BT input key
23.B System Previous key, long press for volume decrease
24.B System next key, long press for volume increase
25.B System Line input slot
26.B System Play/Pause key
(BT searching name: DJ-BY4L A)
12.A System USB/SD card input key
13.A System Line input key
14.A System Play/Pause key
15.A System FM input key
/long press for FM auto scan
16.A System Previous key,
long press for volume decrease
17.A System next key,
/long press for FM auto scan
28.B System BT input key
(BT searching name: DJ-BY4L B)
29.B System USB/SD card input key
30.B System Volume control
32.Micprohone Volume increase/weakers
33.12KHz Equalizer
long press for volume increase
18.Mute of whole unit
35.Microphone 2 input slotase
36.B System Line input slot
37.B System USB input slot
38.B System SD card input slot