4. Features
with USB port and SD slot for MP3 playback
2 x MIC input
AUX input
AC / DC power supply
siren function
3-band equalizer
5. Overview and Use
Refer to the illustrations on page 2 of this manual.
Front panel
1
POWER switch: turn the device on or off.
2
POWER LED: lights when power is switched on
3
SIREN SW: press to turn on siren
4
Volume control for MIC 1 input
5
Volume control for MIC 2 input
6
Volume control for AUX/MP3 input
7
TREB/MID/BASE: 3-band equalizer
8
USB/SD: select USB or SD card input
9
PLAY/PAUSE: start/pause playback
10
PREV/VOL–: go to previous track. Press and hold to reduce the volume.
11
NEXT/VOL+: go to next track. Press and hold to increase the volume.
12
REPLAY: repeat the current track
13
EQ: switch equalizer effect on/off
14
MIC 1: input jack for main microphone
15
MIC 2: input jack for secondary microphone
16
AUX: input jack for unbalanced input signals
17
MS/SD/MMC: insert MS/SD/MMC card (not incl.)
18
USB port: connect USB device (not incl.)
Rear panel
19
Speaker terminals for low-impedance speakers. The total impedance on a terminal must not be less
than the impedance indicated on the terminal.
Refer to illustrations A through G on pages 2 and 3 for possible speaker connection schemes.
Note: Select and use only one output option: 4, 8, or 16 Ω. Do not mix. Do not mix with 70 V
speakers.
20
Fuse holder with 5 A fuse
21
Speaker terminals for 70 V speakers (white). The total speaker load must not exceed the amplifier's
capacity.
Refer to illustrations A through G on pages 2 and 3 for possible speaker connection schemes.
Note: Do not mix with 4/8/16 Ω outputs.
22
Battery terminals (red and black): to connect a 12 VDC battery (not incl.). Respect the polarity!
23
AC IN: power supply input
6. Troubleshooting
The amplifier stops working.
Turn the volume knobs of all channels to zero, switch off the amplifier and disconnect from the mains. Check
the front panel, the fuse and all input and output connections. Replace the fuse with a fuse of the same type
and ratings.
No sound when power LED is off.
The power supply is not connected or the amplifier has a blown fuse. Check the power connections and
switches, or replace the fuse with a fuse of the same type and ratings.
V. 02 – 25/11/2014
PAA03
5
©Velleman nv