Indicators, Controls And Connections

	1	LED meters with a range from -13 dB to 0 dB
	2	CLIP indicators
	3	TEST button for checking and reset function
	4	STANDBY indicator
	5	PROTECT indicator
	6	GROUND FAULT indicator
	7	READY indicator
	8	Air inlets
	9	POWER ON switch
	10	AC MAINS INPUT connector
	11	Mains fuse
	12	VOLTAGE SELECTOR switch
	13	REMOTE CONTROL connectors
	14	STATUS indicator
	15	INPUT connectors 1-4
	16	ROUTING switch for INPUT 1-4
	17	Device address label field
	18	ADDRESS selector switch
	19	POWER OUTPUT
	20	Device output configuration label field
	21	Air outlets
	22 CIRCUIT ⊥ TO CHASSIS SWITCH
	23 DC INPUT 24 V =
A	Rear plate screws:	6 oval-head sheet-metal screws 3.5 x 6.5 zinc-coated DIN 7981
B heat-sink-mounting:		4 oval-head sheet-metal screws 3.5 x 9.5 zinc-coated DIN 7981
C	PCB-mounting:	9 oval-head screws M3 x 12 nickel-plated DIN 7985
D	socket-mounting:	8 oval-head screws PT-KA 30 x 8 WN-1412EJOT black, zinc-coated

Image 3

Contents

Features Power Amplifier DPA For US and Canada only Important Safety Instructions Circuit ⊥ to Chassis Switch Indicators, Controls And Connections Table of Contents Before Initial Operation 3.1 Mains Operation Installation NotesUtilization Amplifier has to be protected against Inputs Input 1 to Input Battery Operation 24 V DC Outputs Power Output for the connection of 100 V loudspeaker systems Power Output 100 V Double Output Power Monitor outputIntegrated Remote Module Indicators And Fault Notification 7.1 Standby Indicator Ready IndicatorProtect Indicator Ground Fault Indicator Meter Instruments And Clip IndicatorsStatus Indicator To Install The NRS 90206 Proceed As Follows see diagram NRS 90207 Ground Fault Surveillance To Install The NRS 90207 Proceed As Follows see diagramChecking The Function Of The NRS NRS 90208 Input Transformer For Floating, Balanced Inputs Retrofitting The NRS 90208 On The Printed Board AssemblyRemove the input printed board assembly 81331 see diagram Installation of the rear panel Flightcase Or 19-Rack System Installation To Install The NRS 90227 Proceed As Follows see diagram Fuses Ground Lift Switch Circuit ⊥ to Chassis SwitchPage DPA 4411 Specifications NRS 90227 monitor output transformer NRS 90207 ground fault surveillance for four outputsExtension kits for the DPA NRS 90208 input transformer per single input

22 CIRCUIT ⊥ TO CHASSIS SWITCH