FRONT PANEL-CONTROLS AND FUNCTIONS
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1.Power ON/OFF
2.A System Media card input slot
3.A System USB input slot
4.A System Line input slot
5.Microphone 1 input slot
6.1KHz Equalizer
7.63Hz Equalizer
8.Treble increase/weakers
9.BASS increase/weakers
10.A System Volume control
11.A System BT input key
(BT searching name: SP-1840 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 TWS/FM auto scan
16.A System Previous key,
long press for volume decrease
17.A System next key,
long press for volume increase
18.Mute of whole unit
19.A System LED display
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Top Ceiling light
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20.Remote control receiver
21.B System LED display
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
4th Press: All Lights ON
Rotate Operation
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
27.B System FM input key
/long press for TWS/FM auto scan
28.B System BT input key
(BT searching name: SP-1840 B )
29.B System USB/SD card input key
30.B System Volume control
31.ECHO increase/weakers
32.Micprohone Volume increase/weakers
33.12KHz Equalizer
34.6KHz Equalizer
35.Microphone 2 input slotase
36.B System Line input slot
37.B System USB input slot
38.B System Media card input slot
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