Operation - Omnitronic PAP-350 User Manual

• C
ables must be installed in a way that no person can stumble over them. Always fix cables with an appropriate
tape.
•
Both cables should be of the same kind.
•
Both cables should have the same length.
•
Both cables should be installed directly (no loops, S-shaped overlengths)
•
Always install the cables far away from power cables (never closely parallel)
•
Never put heavy objects like speaker systems, flightcased etc. on cables.
•
Never wind up cables tightly around the elbow, but rather sleek with an interior diameter of 20 to 30 cm.
7.3 Feed-through output
For parallel connection of a further PA amplifier, the feed-through output LINK can be used via the XLR or
6.3 mm jack. Connect the output LINK to the input of the second PA amplifier.
7.4 Connection with the mains
Finally connect the device to the mains with the mains cable.
The occupation of the connection cables is as follows:
Cable Pin
Brown Live
Blue Neutral
Yellow/Green Earth
The earth has to be connected! If the device will be directly connected with the local power supply network, a
disconnection switch with a minimum opening of 3 mm at every pole has to be included in the permanent
electrical installation. The device must only be connected with an electric installation carried out in
compliance with the IEC-standards. The electric installation must be equipped with a Residual Current
Device (RCD) with a maximum fault current of 30 mA.

8. OPERATION

1. To prevent loud switching noise, always switch on all other units of the amplifier system before switching
on the power amplifier. After operation, switch off the power amplifier first.
2. Prior to switching on set the level control to zero. Then switch on the amplifier with the power switch. The
power indicator lights up.
3. Adjust the level control to the desired volume value. In case of overload, the red LED CLIP lights up. In
this case, reduce the volume correspondingly.
When operating the amplifying system, please make sure that the loudspeakers always sound well. When
distortions can be heard, either the amplifier or the loudspeaker is overloaded. Overloads can quickly lead to
amplifier or speaker damage. In order to avoid damage, please reduce the volume immediately when
distortions can be heard. When speaker systems are destroyed by overload, the guarantee becomes void.
Always check the sound pressure level with a meter in order to keep to the threshold.
8.1 Protective circuits
The protective circuits prevent damage to the speakers and the amplifier. If activated, the speakers are
electrically separated from the amplifier and the LED FAULT lights up:
• for a few seconds after switching-on until the speaker outputs are ready for operation
• in case of overheating of the amplifier
• in case of a short-circuit at a speaker output
• in case of a DC voltage at a speaker output
If the red LED FAULT lights up during operation or if it does not extinguish after switching on, the amplifier
has to be switched off and the cause of the fault has to be removed.
International
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