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EN
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Operating Elements and Connections
Front Panel
No.
Element
Function
1
MASTER LEVEL control
Controls the volume of the mixed signal at the speaker outputs.
2
Audio player with four operating
buttons, USB port and SD card
reader
•
/VOL-/CH- and
/VOL+/CH+: previous/next title or radio station (short
actuation) and volume up/down (long actuation)
• ► /SCAN: play/pause (short actuation) and auto station memory (long
actuation)
• MODE: selects the source (Bluetooth, SD card, USB or Radio)
3
SIREN/CHIME control
Common level control for the siren and chime.
4
CHIME button
For releasing the chime.
5
SIREN button
For releasing the siren.
6
ALL, ZONE 1-4 buttons
For switching the PA zones on and off. With a zone activated the
corresponding LED lights up.
7
Status indicators
• -12/-9/-6/-3/0: level indication for the audio signal
• LIMIT: Lights up in case of overload
• FAULT: Lights up with activated protective circuit
8
POWER switch
Turns the amplifier on and off.
9
MIC 1 input
Unbalanced 6.3 mm jack for connecting a microphone. This input has a
priority circuit which can be enabled with DIP switch 4 on the rear panel.
10
MIC 1 control
Level control for microphone input 1.
11
ECHO control
Echo control for microphone input 1.
12
MIC 2/LINE 1 control
Level control for microphone input 2 or line input 1.
13
MIC 3/LINE 2 control
Level control for microphone input 3 or line input 2.
14
LINE 3 control
Level control for line input 3.
15
LINE 4 control
Level control for line input 4.
16
PLAYER control
Level control for the audio player.
17
BASS control
Tone control for the low frequencies of the mixed signal.
18
TREBLE control
Tone control for the high frequencies of the mixed signal.
5
4
2
1
3
6
7
8
9
10
11
12
13
14
15
16
17
18
