Niles Audio MK1150XJ, MK1157XJ manual Front View

Parts Guide

ZR-4 MultiZone Receiver

Front View

RACK-MOUNT EARS	BUILT-IN AM/FM TUNER	FRONT PANEL CONTROLS
Two rack-mount ears (included)	High-quality radio reception	Convenient front-panel buttons
secure the ZR-4 when installed	without any additional	operate the AM/FM tuner,
in an equipment rack (includes	components, connections,	set favorite preset stations into
mounting hardware).	or programming.	memory, and perform system
		configuration.

ZONE ON/OFF LED’S	MAIN POWER SWITCH	BACKLIT LCD DISPLAY
Illuminate whenever a zone is	Mechanical latching power switch	Bright, 16-character LCD display
on and active. Also provide	glows white to indicate the unit is	for configuring the ZR-4. Also
diagnostic information for	in standby mode and ready	displays the current AM/FM
troubleshooting.	to operate.	preset station, band, and station
		tuning information.

ZR-4 MultiZone Receiver

Rear View

EXPANSION PORT	HP FLASHER OUTPUT	SPEAKER CONNECTIONS
Links two ZR-4s together to	Connect an optional Niles IRB-1	Four stereo speaker connections
create an eight zone system.	High Output IR Flasher (controls a	(one for each zone) feature
	stack of components with	removable connectors that
	just one flasher).	accommodate speaker wire
		up to 16 AWG in size.

FLASHER OUTPUTS	HOME THEATER SYNC	PREAMP OUTPUTS
Connect the included IR	Enables sharing of components with an	Connect an external power
MicroFlashers® and control up to	independent home theater. When the	amplifier for a zone that requires additional
three source components.	home theater receiver is on, the	power such as very large rooms or outdoor
	ZR-4 will stay active (even if all zones	applications. Assigned to Zone 4, the preamp
	are off) and execute the appropriate	outputs can be switched between
	12V and IR functions.	fixed or variable levels.

12V CONTROL OUTPUT	ANALOG AUDIO INPUTS	IEC POWER RECEPTACLE
Automate power turn-on and	Gold-plated RCA jacks connect	Features a removable power
turn-off of connected components	up to three stereo audio sources.	cord for added flexibility when
such as a Niles Systems		working in tight spaces.
Integration Amplifier®.

KEYPAD PORTS

Connect each zone’s Master

Keypad via a home run

of CAT-5 cable.

RS-232 INPUT

Monitor and control the ZR-4 using an external RS-232 control system.

IR GLOBAL INPUT	PAGING INPUT
Control the ZR-4 and its	Connect a telephone system and/
connected sources using a	or Niles DBI-1 Doorbell Interface
secondary control system	to provide paging throughout the
such as a Niles iC2.™	home using the ZR-4 system.