Basic Operation - Marine Audio MA400 Installation And Operation Manual

BASIC OPERATION

Power On/Off
Press the POWER button (11) to turn the unit on. The unit will resume at the last mode (Tuner,
Aux, etc.).
Volume Control
To increase the volume, press the ▲ button (17). To decrease the volume, press the ▼button
(16). The maximum volume setting is "40". While adjusting the volume, the LCD displays a bar
graph and numerical representation of the level.
Mute
Press the ►║ button (18) to mute the audio output. Press ►║again to restore the audio output
to the previous level.
Mode
Press the MODE button (8) on the control panel to select a different mode of operation, as
indicated on the display panel. Available modes include Tuner (AM/FM), SiriusXM, iPod/USB,
Auxiliary and Bluetooth Audio.
NOTE: SiriusXM and iPod mode will be skipped if the module/device is not installed.
Reset
The reset button should be activated for the following reasons:

initial installation of the unit when all wiring is completed

function buttons do not operate

error symbol on the display
Use a ball point pen or thin metal object to press the RESET button located on the tuner box.
You can recover factory default settings using the RESET function located on the system menu.
With "YES" flashing, press the MODE button (8) to activate.
Audio Menu
Press the AUDIO button (20) on the control panel to access the audio menu. You can navigate
through the audio menu items by pressing the AUDIO button repeatedly. Once the desired menu
item appears on the display, adjust that option by pressing one of the ▲/▼ buttons (16, 17)
within 5 seconds. The unit will automatically exit the audio menu after five seconds of inactivity.
The following menu items can be adjusted.
Bass Level
Use the ▲/▼ buttons to adjust the Bass level range from "-6" to "+6".
Treble Level
Use the ▲/▼ buttons to adjust the Treble level range from "-6" to "+6".
Balance
Use the ▲/▼ buttons to adjust the Balance between the left and right speakers from "L12" (full
left) to "R12" (full right).
Fader
Use the ▲/▼ buttons to adjust the Fader between the rear and front speakers from "R12" (full
rear) to "F12" (full front).
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MA400
RESET