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5
Operation
PA system
1
To prevent loud switching noise, first switch on all other units of the PA system.
2
Prior to switching on, turn the MASTER LEVEL control and the level controls of the input channels to
zero to avoid a high volume at the beginning. Then switch on the unit with the power switch.
3
Turn up the master control so that the mixing ration of the signal sources can be adjusted in an optimum
way.
4
With the buttons ZONE 1 to 4 or ALL switch on the zones intended for PA application. The LEDs of the
buttons pressed light up. To deactivate the zones, press again the corresponding buttons.
5
Adjust the desired volume ratio with the level controls of the mic/line channels. Turn the controls of the
inputs not used to zero.
6
Adjust the desired sound with the tone controls. By adjusting the tone controls, the high frequencies
(control TREBLE) and the low frequencies (control BASS) can be boosted or attenuated. With the
controls in mid-position, the frequency response is not affected.
7
Adjust the definite level of the total volume with the master control. The 5-step LED row shows the
output level. The red LIMIT LED lights up in case of overload. If it lights permanently, slightly turn back
the master control.
8
To release the chime prior to an announcement, press the CHIME button. Press the SIREN button to
release the siren. The level is adjusted by control (3).
Audio Player
The amplifier features an audio player for MP3 files from USB storage devices and SD cards as well as
wireless music streaming from your Bluetooth devices such as smartphones, tablets and notebooks. The
integrated FM tuner provides automatic station memory. Use the MODE button to select the desired signal
source. The audio player can either be operated via the buttons on the front panel or via the remote control.
The level is adjusted by the PLAYER control.
Setting up a Bluetooth Connection with Mobile Devices
Press the MODE button (repeatedly) until the display indicates “
BLUE
“. The audio player will enter the pairing
mode. Now activate the Bluetooth function at the Bluetooth source and start the device scan. Select
“
OMNITRONIC
“ from the list and connect the devices. Then play music at the Bluetooth source as you
normally would and the sound will come out of the speakers. You can operate the Bluetooth source with the
remote control, too.
