Jwin JX-DVD400 - Manual (Page 35)

7.1.14 Phones Jack
In order not to disturb other people when enjoying the music,
you can connect the earphone to PHONES jack. Volume control
knob will increase and decrease volume while the speaker
has no sound output.
7.1.15 Mic Jack
After connected the microphone to MIC jack, you may begin
to Karaoke.
7.1.16 MIC Volume
The knob to control the MIC volume.
7.1.12 FM/AM
Press the button to switch the unit FM/AM for selecting
different band.
7.1.13 Volume Multi Control
Turn the knob to adjust the volume of the phones and the
speakers.
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7.1.11 DVD/Tuner
Press the button to switch the DVD playing state and the radio
mode.
7.1.10 Audio(L/R)
Press this button to choose different dubbing , left and right
channel outputs (DVD has 8 languages and Super VCD has
4 languages. This function requires the support from disc.)