Change The Source (Src); Mute On/Off; Loudness On/Off; Preset Eq(Equalizer) - Boss 820BRGB User Manual

Bluetooth mp3-compatible digital media am/fm receiver
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GENERAL OPERATION (CONT.)

Change the Source (SRC)

SRC
Press the
button to switch between RADIO, BT(Bluetooth), USB(with USB device
inserted), SD(with SD card inserted) and AUX-IN(auxiliary input) modes.

Mute on/off

In power on mode, briefly press the
will be also released when the volume knob is used.

Loudness on/off

LOUD
Press the
button on the remote control to turn on the loudness to reinforce the output
of bass frequencies, press again to turn it off.
Preset EQ (Equalizer)
EQ
Press the
button to toggle between EQ OFF, CLASS, ROCK, POP, FLAT.

USB port

The USB port of this car radio is designed for media playback from flash memory devices and
charging for iPhone / andriod mobile phone.

Micro-SD card slot

This Micro-SD card slot is designed for media playback from Micro-SD card.

Hands-free Microphone

To receive your voice when you calling by using this bluetooth handsfree system.

Aux input connector

The 3.5mm auxiliary input stereo connection is designed for deiveces with 3.5mm line-out or
headphone output.
Reset System (Reset)
RESET
The
button is used to reset all parameters to factory default settings.
This function may be used when the LCD does not display normally or sound is distorted, or
when any of controls are disabled. To reset your system, use a thin object with a pointed end
RESET
to depress the
6
MUTE
button.
button to toggle mute on or off.
The charging current consumption is 1 ampere.
The muted state

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