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Xantech VCIR-CFL Install Manual

Speaker volume control with ir receiver
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MATCH MAKER
The Model VCIR-CFL is an impedance match-
ing stereo speaker volume control combined
with a "CFL Friendly" IR Receiver. It mounts in
a single gang J-box. The volume control sec-
tion has the same impedance matching capa-
bilities as that of the Xantech Model 760-00
Match Maker volume control. The IR Receiver
section has similar performance to that of the
480-80 CFL Dinky Link IR Receiver with the
added feature of a STATUS LED for system
ON/OFF indication.
CAUTION: The VCIR-CFL is designed to
control products that operate with 36 to 42
kHz IR Carriers only!
NOTE: The volume control section of the
VCIR-CFL is manually controlled only. The IR
Receiver section is for control of other system components -- it cannot control the volume control
section!
SPECIFICATIONS – VOLUME CONTROL SECTION
• Type: 2 channel TRI-FI™ wound precision autoformers, with independent gnds.
• Terminals: Plug-in type screw terminals.
• Power Rating: 25 Watts continuous, 150 Watts peak.
• Freq. Response: 20-20,000 Hz ± 1dB at 1 watt.
• Attenuation: 11 steps at 3 to 6 dB per step - 35 dB max. (Max. CCW is OFF).
S1 setting: 0 dB @ Max. CW (pass-through position).
S4 setting: 9 dB @ Max. CW.
S8 setting: 13 dB @ Max. CW.
• Impedance: S1 setting: Pass-through position. i.e. 8 Ohms on OUTPUT reflects 8 Ohms to INPUT (Max.
CW position).
S4 setting: 8 Ohms on OUTPUT reflects 32 Ohms to INPUT . Likewise, 4 Ohms on OUTPUT reflects 16
Ohms to INPUT (Max. CW position).
S8 setting: 8 Ohms on OUTPUT reflects 64 Ohms to INPUT. Likewise, 4 Ohms on OUTPUT reflects 32
Ohms to INPUT (Max. CW position).
• Mounting: Fits most new construction junction boxes - uses single space.
NOTE: It may be necessary to cut off the back portion of a J-box or use a "P" ring to have sufficient room.
Be sure to check fit before choosing J-boxes!
• Dimensions: 1-5/8" (41.3mm) W x 2-7/8" (73mm) H x 2-7/16" (62mm) D
VCIR-CFL

INSTALLATION INSTRUCTIONS

VCIR-CFL
™
SPEAKER VOLUME CONTROL
WITH IR RECEIVER
™
4-Conductor 18" Ribbon
Cable for IR Receiver.
O U T P U T
L+ L– R– R+
R+
R–
L–
L+
T
U
P
N
I
IR Receiver
Section
Stereo Volume Control
Section (auto-former)
Fig. 1 The VCIR-CFL
Dual LED
Red-Talkback
Green-Status
IR Receiver
Photo Diode
1

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Summary of Contents for Xantech VCIR-CFL

  • Page 1: Installation Instructions

    INSTALLATION INSTRUCTIONS MATCH MAKER The Model VCIR-CFL is an impedance match- ing stereo speaker volume control combined with a "CFL Friendly" IR Receiver. It mounts in a single gang J-box. The volume control sec- tion has the same impedance matching capa- bilities as that of the Xantech Model 760-00 Match Maker volume control.
  • Page 2 • Use Xantech Connecting Blocks for connection to emitters. • Power requirements: 12 Volts DC ± 2 V @ 20 mA. • Up to 10 VCIR-CFL's may be powered by one 781RG power supply. SETTING THE IMPEDANCE MATCHING JUMPERS Fig. 2 shows the location of the pins and the jumper locations on the pins for the three impedance multiplier positions.
  • Page 3 4. Find the correct jumper position from the above charts. 5. Place the jumpers in the same position on each VCIR-CFL used in the system. Example 1: Three pairs of 4 Ohm wall speakers are to be used with three VCIR's in a 3-room system, all driven by one amplifier rated for 8 Ohms minimum safe operating load impedance.
  • Page 4 INSTALLATION The IR receiver leads for the VCIR-CFL are connected in the same way as for any of the other Xantech IR Receivers. The only exceptions are to identify the leads on the ribbon cable correctly and the use of the Status LED Indicator.
  • Page 5 2 or more rooms within a zone. MAIN ROOM Fig. 4 VCIR-CFL Connections to a ZPR68-10 with STATUS 2. Important: Be sure to orient the unit so that the IR Receiver Photo Diode (the larger window) is below the knob as illustrated in Fig. 1. Since hand operated wall units are typically mounted 4 feet above the floor, this orientation prevents the knob from blocking the IR signal when sent from a sitting position.
  • Page 6 4. The VCIR-CFL will not operate in 2-wire Phantom Power mode. TROUBLE SHOOTING 1. If the red Talk-Back LED on the VCIR-CFL does not blink when you are sending IR commands from a remote control, check the following: •Make sure the power supply is plugged securely into a live 120V AC wall outlet.

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Match maker vcir-cfl

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