Keypads and IR Sensors
Keypads and IR sensors enable the user to control the Niles ZR-4630 MultiZone Receiver and its connected source
components. Source component IR commands are programmed into the Niles ZR-4630 MultiZone Receiver. These
commands are then triggered when the user presses a keypad button or issues a Niles IR command to an IR sensor.
Each zone on the ZR-4630 has a corresponding RJ-45 keypad connector that is used to connect one SoloMaster
Keypad Module. Each SoloMaster Keypad Module can be mated with one optional NumericAccessory Keypad
Module using an included jumper cable (see Connections, Figure 33). The SoloMaster Keypad Module connects
to the ZR-4630 with a “home run” of four-pair twisted cable, terminated with RJ-45 connectors.
An IR Sensor can be included in any zone and connects directly to the SoloMaster Keypad Module (see the
Installation section of this manual for more details). A three-wire to RJ-45 adapter is available from Niles (see
Accessories) for IR Sensors installed with two-conductor shielded cable rather than four-pair twisted cable.
Adding an IR Sensor enables the Niles R-4 Remote to control the ZR-4630 and the connected source compo-
nents. In addition, a source component’s actual IR commands (i.e., provided by the component’s original
remote control or a learning remote control programmed with these IR commands) can be used with the IR
sensor to control the source components.
Important Note: The ZR-4630 does not provide individual operation of identical source components when
using a source component’s factory remote through an IR Sensor (see Identical Source Components on page 41
for more details).
Source-Component Automation
There are two methods of controlling the power ON/OFF of the source components.
1. Synchronized IR -In Figure 4, the DSS receiver’s power ON/OFF is synchronized via a video signal connect-
ed to the ZR-4630. When the Master Key/Source Button for the DSS is pressed, the ZR-4630 checks for a
video signal at the Sync Input corresponding to the DSS. The ZR-4630 issues the power command to turn
the DSS ON only when thereis no video signal present and the DSS is OFF.
When the Off Key/Button is pressed in a zone, the ZR-4630 checks to see if any other zones are ON (includ-
ing the Home Theater Zone sharing sources). The power command for turning the DSS OFF is issued only if
that zone is the last zone turning OFF in entire system and there is a video signal present at the Sync Input
corresponding to the DSS.
Important Note: RCA Sync Inputs also can detect 12V for use with Niles external sensing devices, (i.e. the LS-1
Light Sensor and the APC-2 Current Sensing Device). See Connections on page 44 for more information.
2. Latching Power -In Figure 4, ACpower to the DVD and CD changer is turned on and off via the switched
AC outlets of a Niles AC-3. The AC-3 is activated by the 12V Control Output from the ZR-4630 when any
one of the six zones is ON (including the Home Theater Zone sharing sources). The built-in AM/FM tuner is
also turned ON when one of the six zones is ON.
Each Master Key on the SoloMaster Keypad Module and its respective source component are programmable
with a sequence of IR commands. Commands included in the sequence are typically the Play or Channel com-
mands to start a source playing or to select a particular music or radio station after the source has been selected.
Flasher Outputs
Niles MF1 MicroFlashersconnect to the numbered flasher outputs on the rear panel of the Niles ZR-4630
MultiZone Receiver. Flashers send IR commands to the individual source components for control. AIRB-1 High-
Output IR Flasher can be connected to the Flasher output labeled ALL to control more than one source component.
Each zone has “home run” speaker cables from the location of the speakers for connection to the built-in zone amplifier.
Connections are made to the ZR-4630’s speaker output terminals utilizing gold plated, dual banana plug spaced, five-
way speaker binding posts. 14
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