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3

Accessories

TV

Two Remote Rooms

not

  configured

with IR receivers.

(See item 4, pg 4).

480-00

CPL94B

Coupler

(1 location)

202-00

4-way RF Splitters

DC Passing

RF

AMP

Satellite Receiver

Laser Disc Player

VCR

Cable Box

2512

2-way

Combiner

Modulator

(3-Input)

A/V Patch

Cords

INJ94

Injectors (3)

TV

TV

TV

TV

TV

TV

TV

CB12

CB12

CB12

200-00

2-way RF splitter

DC Passing

291-80

480-00

480-00

291-10

490-30

781RG

Power
Supplies (6)

CPL10

Couplers (3)

Six Remote Rooms, each configured with IR receivers.

203-00

DC Blockers (2).

(See item 4, pg 4).

RF Signal
IR Signal

286M

 

Dual Blink-IR™

Mouse Emitter Assembly

286M

Dual Blink-IR™

Mouse Emitter

Assembly

EMITTER

REMO

TE TV

SA

T/VCR

CPL94B COUPLER

EMITTER

+12 V

IR

RCVR

TV

INPUT

INJ94

+12 V

IR

RCVR

TV

INPUT

INJ94

+12 V

IR

RCVR

TV

INPUT

INJ94

IR

RF

RF/IR

CPL10

IR

RF

RF/IR

CPL10

IR

RF

RF/IR

CPL10

IN

OUT

Fig. 4 

 Advanced Multiroom System

instead, along with a suitable connect-
ing block, such as the 789-44 or 791-44.
See the CPL10 installation instructions
for details.

7. For information on how to connect and

configure modulators and RF amplifi-
ers, refer to ChannelPlus

®

 technical in-

formation.

TROUBLE SHOOTING

1. Perhaps the most common problem is

stray IR or RF interference entering IR
receivers, preventing proper operation
of the controlled equipment.

Examples of such interference are:

• Fluorescent, Compact Fluorescent,
  Neon or Halogen lights, Neon Art, or
  light dimmers.

• Direct or reflected sunlight.

• Infrared security sensors (active type).

• RF radiation from TV sets that may be
  close to IR Receivers.

It may be necessary to move either the
interfering source or the IR receiver to
achieve proper operation.  Sometimes
the Xantech Sun Filters will help.

2. If the IR receivers must operate in the

vicinity of electronically ballasted Com-
pact Fluorescent lamps or sunlight con-
ditions, use Xantech models 291-80 or
780-80 IR receivers.  These are specifi-
cally designed to reject most of this type
ofinterference.

3. Check for shorts or opens anywhere

between the IR receivers in the remote
rooms and the emitters at the controlled
equipment.

•Remember, you must have DC conti-
  nuity all the way from the IR (IR RCVR)
  jacks on the Injectors, through the coax
 cables to the IR (emitter) jack on the coupler, without shorts to ground.

• Use a Xantech 

Test-IR

TM

 plugged into the IR (emitter) jack on the coupler to verify that the IR

   signal is being received from each room.

• If necessary, use a multimeter in the low Ohms range to check for continuity, shorts, opens, etc.

• Check for open emitters by substituting a known good emitter.

4. If a given component still does not work, reposition the emitter. It may not be located directly over the

component’s IR (infrared) receiving "window".  Consult the owner's manual of the unit or the
manufacturer for the exact location of the infrared "window".

12-7-00

Rev.C

INJ94/CPL94

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