9. SIGNAL
Indicates audio signal in the power amplifier.
10. POWER
Power Led indicates if loudspeaker is turned on.
11. TREBLE
Treble control allow adjust the high frequency response in order to provide a more pleasing
sound. Adjusting range
15dB, frequency - 12 kHz.
12. BASS
Treble control allow adjust the low frequency response in order to provide a more pleasing
sound. Adjusting level
15dB, frequency - 80 Hz.
13. LINE OUT
Balanced XLR output in parallel with 6.3mm Jack. The audio signal in these outputs is collected
from microphone input, line input and music player.
14. VOLTAGE SELECTOR
Slide voltage selector to the left or right, to select necessary voltage. Voltages level is marked
on the selector. Before selecting voltage, make sure that main power is disconnected.
15. POWER SWITCH
Press the button to turn on or turn off the loudspeaker. Before turning on please make sure
that all volume control knobs are set into position "MIN".
16. FUSE HOLDER AND MAIN POWER CONNECTOR
Use T2AL 250V fuse only. Contact with qualified service if fuse blows up constantly.
Music player
1. MENU/PAUSE BUTTON
Pause button change music player mode between play and pause. In order to activate menu
press and hold this key 2 – 3 seconds. In this menu are available “MUSIC”, and “System settings”
submenu. To enter sub menu press this button one more time.
Music
: Allows play music from USB or SD cards.
System settings
: Allows adjust LCD contrast, change menu language and check firmware version.
Please use “prev” and “next” buttons to navigate menu and submenu.
2. PREVIOUS BUTTON
Press this button to change the playing track to previous audio track. Use this button to navigate
menu as well.
Summary of Contents for Music Box D12
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