CTARM-2LTIR
Installation Manual
Don’t plug in AC power until you
read this manual.
This Package Contains:
One CTARM-2LTIR Modulator
One Installation Manual
One Power Adapter
1
If any of the contents listed above were not included with your
CTARM-2LTIR Modulator, please call us at 1-610-429-1511
for assistance.
Remote power output switch noted
(12) must be switch to OFF
if you don’t use the unit with
CTIRE-38 IR engine or the CTIRT
infrared targets.
Product Diagram and Description:
The LED channel display will turn
off after two minutes to save energy.
This does not affect the modulator’s
operation. To turn it
back on, press
any button.
1
Dual Modulator Selector
2
IR Signal Indicator:
LED flashes when the remote signal hitting
3
LED Channel Display
4
Channel Up / Down Switch:
For channel selection, set with the Up/Down Buttons
5 IR Repeater
Jacks
6 AC Power Jack
12 VAC
7 RF Output (F-Type Connector):
Screw on an RF terminator if not in use
8 Audio (right & left) and Video Loop Through Ports
9 Audio (right & left) & Video Inputs for 2 independent modulators
10
Input Impedance Selection
(75
Ω
or Hi-Z):
To allow stereo audio and video to pass through the unit set switch to Hi-Z for
loop through otherwise setting should be 75
Ω
to terminate the input
11 CATV/Off-Air Switch
12 Remote Power Output Switch:
DC 12V exists at RF output Port when set to ON to power the CTIRE-38
infrared engine and the CTIRT infrared targets
13 Antenna Input (F-Type Connector)
Screw on an RF terminator if not in use
Note: The 2 modulators (designated 1 and 2) are independent and have separate audio/video inputs,
corresponding to the modulator that has been selected on the front panel. You may use any or all
