1. GENERAL NOTES
The amplifier DPA 4410 has been specially designed to ensure durable performance and reliable operation of sound reinforcement systems with several independent speaker circuits. The DPA 4410 is best suited for call and message transmission installations, alert systems, and for general music applications in industrial enterprises, offices,
2. INSTALLATION NOTES
When placing or mounting the amplifier, it is important that the
The amplifier has to be protected from:
-dropping or splashing water
-direct sunlight
-high environmental temperatures or direct radiation of heat sources
-moisture
-dust
-shock or vibration
When moving the amplifier from a cold into a warm environment, condensation of its inner parts can sometimes occur. If so, the appliance can be operated again after gaining the environmental temperature (approximately after one hour).
If a solid object has fallen or liquid has leaked into the device, disconnect all connections and get in contact with an authorized DYNACORD service center. Do not operate the amplifier after such accidents.
When cleaning the amplifier’s outside enclosure, never use any cleaning sprays or detergents, because of inflamability. The use of those liquids will damage the appliance.
3. PRECAUTIONS AND RECOMMENDATIONS
When the appliance is operated with the mains supply, use the included mains cable to connect the amplifier to a 230 V or 115 V 50/60 Hz wall outlet. Connect the cable’s other end to the appliance’s
Warning The amplifier is
When using the amplifier with a
The POWER switch (9) on the rear of the amplifier for bridging the starting relay is meant only for service purposes. In that case the amplifier can be operated without the external 24 V DC supply.
Note The POWER switch (9) on the rear of the amplifier is meant only for service purposes. If this switch is engaged, the remote
STANDBY indicator provides no indication.
The DPA 4410 is equipped with a
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