background image

USER’S MANUAL 

RF MODULATOR WITH S-VIDEO INPUT                          

MODEL : CRF910

NOTE TO CATV SYSTEM INSTALLER:                                                               

INTRODUCTION

Your Video RF Modulator is designed to convert the separate audio and 
video signals (from a video camera, computer, portable VCR, or satellite 
receiver, for example) into VHF TV signals that you can view on a TV set.

The FCC Wants You to Know 

This device complies with Part 15 of FCC Rules. Operation is subject to 
the following two conditions:
(1) This device may not cause harmful interference, and (2) this device 
must accept any interference received, including interference that may 
cause undesired operation.
Your modulator might cause TV or radio interference even when is 
operating properly. To determine whether your modulator is causing the 
interference, turn it off. If the interference goes away, your modulator is 
causing it.
Try to eliminate the interference by:
• moving your RF Modulator away from the receiver
• connecting your RF Modulator to an outlet that is on a different 
electrical circuit from the receiver
• contacting your local store for help
If you cannot eliminate the interference, the FCC requires that you stop 
using your RF Modulator. 

Changes or modifications not expressly approved by the party 

responsible for compliance could void the user’s FCC authorization to 
operate this equipment.

REQUIRED PARTS

The following items (not supplied) are required to connect your RF 
Modulator to a video input source and your TV.
• one audio/video shielded cable with three phono connectors at each 
end, if the video source’s audio output is stereo; or one audio/video 
shielded cable with two phono connectors at each end if the video 
source’s audio output is monaural
• two 75-ohm coaxial cables with F-type connectors 
• a 75-ohm-to-300-ohm matching transformer, if your TV does not have 
a VHF 75-ohm F-connector

Note:

 The audio signal will be modulated to mono, whether the video 

source is stereo or monaural.

Note to the CATV System Installer: 

This reminder is provided to call 

the CATV system installer’s attention to article 820-22 of the NEC that 

provides guidelines for proper grounding and, in particular, specifies 

that the cable ground shall be connected to the grounding system of the 
building, as close to the point of cable entry as practical.  

CONNECTIONS                                                                         

Follow these steps to connect your RF Modulator.

1. 

If your video source is stereo

plug the connectors on one 
end of a stereo A/V cable into 
the video and audio input jacks 
on the RF Modulator. Plug the 
connectors on the cable’s other 
end into to video and audio 
output jacks on the video source, 
using the color coding on the 
connectors as a guide.

If your video source is monaural

plug the connectors on one end 
of an A/V cable into the video 
and audio input jacks on the RF 
Modulator (using either the AUDIO 
R or L jack). Plug the cable’s other 
ends into the video and audio 
jacks on the video source. Connect 
the 75-ohm coaxial cables to the 
RF Modulator following these 
guidelines:

INSTALLATION

ON

1. Seat the RF Modulator vertically :
  Plug in the seat plate (included) on 

the bottom of the RF Modulator until 
The locking tab of the seat plate 
clicks in to secure the plate to the 
RF Modulator.

2. Seat the RF Modulator horizontally :

2.1 While pulling up the 

locking tab, remove 
the seat plate by 
pushing out the seat 
plate.

2.2 Attach the four self-adhesive rubber pads (included) to the 

side face of the RF Modulator.

2.3 Lay down the RF Modulator on the side with the rubber 

pads.

Video Source

A/V Cable

RF Modulator

Video Source

A/V Cable

RF Modulator

• 

If your video source is equipment 

with VHS VIDEO (S-video) output

you can use a S-video cable to 
connect the S-video output of video 
source to the S-video input of this 
RF modulator.

Video

RF Modulator

Source

Reviews: