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5-52 PROANNOUNCE System User Handbook 1.1
The following remote functions are available:
Control:
· Level control, Mute
· Monitor activation (Input / Output)
· Mains operation ON/OFF
· Battery operation ON/OFF
· Pilot tone ON/OFF (optionally available)
Messages:
· Output level
· Pilot tone detection
· Ground fault detection
· Thermal overload amplifier / mains transformer
· Configuration
· Measured values of current and voltage at the power output
· Extension-kits
5.3.4 Four-Channel Power Amplifier DPA 4411
Features:
· Power amplifier with 4x100 W output power capacity according to IEC 283-3, 19" - Chassis (3 HU)
· Mains operation 115/230 V AC and emergency power supply operation 24 V DC
· Output transformers for balanced, floating 100 V speaker networks; 70 V, 50 V or 4 ohms low impedance
operation selectable
· All outputs are protected against idling and short-circuit
· Integrated remote module for control and surveillance via the PROANNOUNCE Manager DPM 4000
· Electronic level controls, electronically balanced inputs and electronically balanced MONITOR output
· Input transformers for balanced, floating operation are optionally available
· Monitor output transformer offering a balanced, floating MONITOR output is optionally available
· Routing-switch for parallel input operation of amplifiers
· Integrated standby-power supply
· Mains function switch POWER
· Ground-lift switch
· Remote start in mains and battery operation with initial inrush current limiter
· Switching noise suppression
· Status-LED indication: operation (READY), STANDBY, thermal overload (PROTECT), and GROUND
FAULT at the power output
· Fault-messaging according to DIN EN 60849 via the PROANNOUNCE Manager DPM 4000
· TEST-button for installations with emergency switching, RESET for ground fault