Play Audio From Aux; Output Audio - Boss Audio Systems MGR300B User Manual And Quick Installation Manual

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You can select a music file stored in a USB storage device and start playback from the
selected file.
1.
During USB play, press BAND two times. The display shows "NUM SCH" briefly, then
"NUM xxxx" ("xxxx" indicates a four-digit track number).
2.
When "NUM xxxx" is displayed, rotate the function knob to input a digit (0-9) in each
digit position. To input a digit in a digit position, wait three seconds until the digit position
flashes.
For example, to select a track number of seven, the number input should be "0007". So
do "0027" or "0127".
3.
Press the function knob (or SEL) to confirm. Playback will start from the selected track
number.

Play Audio From AUX

You can play audio from a playback device (e.g. CD/DVD player or VCR) through the
speakers which are wired to the unit.
1.
Using an audio cable (not included) with RCA plugs, connect a playback device with two
channel audio outputs to the audio inputs marked "AUX IN" on the unit.
2.
Press MODE repeatedly until "AUX IN" is displayed. Start playback on the connected
device and audio will be played through the speakers which are wired to the unit.

Output Audio

You can output audio from the unit to an external amplifier or powered speakers.
1.
Using an audio cable with RCA plugs (not included), connect the audio outputs marked
"RCA OUT" on the unit to the RCA audio inputs on an amplifier or powered speakers.
2.
Start play on the unit and audio will be output to the connected device.
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