Inpax VHF User manual

FEDERAL
FEDERAL
FEDERAL
FEDERAL COMMUNICATIONS
COMMUNICATIONS
COMMUNICATIONS
COMMUNICATIONS COMMISSION
COMMISSION
COMMISSION
COMMISSION NOTICE
NOTICE
NOTICE
NOTICE
This device complies with Part 15 of the FCC Rules, which states the following:
Operation of this device must not cause harmful interference.
This device must accept any interference received, including interference that may cause
undesired operation.
Even when operating properly, this product may case interference with radio or TV signals. If
interference occurs, turn off modulator, if normal reception resumes after modulator is turned off.
The modulator is the cause fo the interference Move the m odulator away from the receiver or
connect to an outlet that is on a different electrical circuit than the receiver. If neither step produces
clear reception, FCC regulation requires that you stop use of the modulator.
Changes or modifications not expressly approved could void your FCC authorization to
operate this device. Modifying the internal components of the RF Modulator can cause a
malfunction and void its warranty.
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
Video carrier output level …………………… ..66 ±3.5dB μV
RF outputs channels ………………………… ..3 or 4
RF output impedance ……………… ... ……… .75 Ω/1K Ω(switchable)
Audio input impedance ……………………… ..13 ±3K Ω
TV to ANT insertion loss 50-806 ………… .. … -4dB
Dimensions …………………………………… 5.9 ” W ×3.7 ” D ×1.8 ” H
Specifications are typical; individual units might vary.
Specifications are subject to change and improvement without notice.
A d dress: Floor-809,West Tower, Coastal City,
Hai De 3 road, Nanshan Area, Shenzhen City, Guangdong Province,China
地址： （中国）广东省深圳市南山区海德三道海岸城西座 809 室
Tel: [phone]
Mob: [phone]
Email: [e-mail]
I [e-mail]
Web:
Web:
Web:
Web: www.inpax.com.cn
www.inpax.com.cn
www.inpax.com.cn
www.inpax.com.cn
INPAX-VHF
INPAX-VHF
INPAX-VHF
INPAX-VHF Modulator
Modulator
Modulator
Modulator
Please read this user manual before using or connecting this product.
And keep it handy for future reference.
USER
USER
USER
USER MANUAL
MANUAL
MANUAL
MANUAL

INTRODUCTION
INTRODUCTION
INTRODUCTION
INTRODUCTION
This product converts audio and video signals from a video output source into VHS TV
signals that can be viewed on any television set.
If you are a CATV system installer, review Article 820-22 of the NEC, which sets guidelines for
grounding. (Example: cable ground must be connected to the structure ’ s grounding system as close
as possible to the cable ’ s point of entry.)
ACCESSORIES
ACCESSORIES
ACCESSORIES
ACCESSORIES NEEDED:
NEEDED:
NEEDED:
NEEDED:
Be sure you have the following items (not included with product) to connect the Video RF
Modulator.
To
To
To
To Connect
Connect
Connect
Connect to
to
to
to Video
Video
Video
Video Input
Input
Input
Input Source:
Source:
Source:
Source: And
And
And
And Audio
Audio
Audio
Audio Input
Input
Input
Input
One audio/video(A/V) shielded cable with tree phono connectors at each end for video source
and stereo audio input, or one A/V shielded cable with two phono connectors at each end for video
source and mono audio input. An S-(video) cable can also be u sed along with a audio patch cable
To
To
To
To Connect
Connect
Connect
Connect to
to
to
to TV:
TV:
TV:
TV:
One 75 Ωcoaxial cable with F-type connectors and/or one 75 Ωto 300 Ωmatching transfo -
rmer if your TV does not have a VHF 75 ΩF-type connector.
CONNECTING
CONNECTING
CONNECTING
CONNECTING TO
TO
TO
TO VIDEO
VIDEO
VIDEO
VIDEO AND
AND
AND
AND AUDIO
AUDIO
AUDIO
AUDIO INPUT
INPUT
INPUT
INPUT SOURCE:
SOURCE:
SOURCE:
SOURCE:
Stereo
Stereo
Stereo
Stereo Audio
Audio
Audio
Audio Source:
Source:
Source:
Source:
Plug all three phono connectors at one end of the A/V cable into the RF Modulator ’ s Video
and Audio input jacks. Plug the connectors at the cable ’ s other end into the video source ’ s A/V
output jacks. Match color coding on cable ends with color coding of RF Modulator and video
source.
Mono
Mono
Mono
Mono Audio
Audio
Audio
Audio Source:
Source:
Source:
Source:
Plug both connectors at one end of the A/V cable into the RF Modulator ’ s VIDEO and
AUDIO input jack (use either the right or left audio jack). Plug the connectors at the cable ’ s other
end into the video source ’ s A/V output jacks. Match color coding on cable ends with color coding
of RF Modulator and video source.
CONNECTING
CONNECTING
CONNECTING
CONNECTING TO
TO
TO
TO TV
TV
TV
TV
Existing VHS Connection (antenna, cable or VCR):
Disconnect the existing 75 Ωcable from the TV ’ s VHF/UHF terminal and reconnect it to the
RF Modulator ’ s ANT IN terminal. Connect one end of a new 75 Ωcable to the RF Modulator ’ s
TO TV terminal, and the other end to the television ’ s TV VHF/UHF terminal.
No
No
No
No Existing
Existing
Existing
Existing VHS
VHS
VHS
VHS Connection:
Connection:
Connection:
Connection:
Connect one end of a 75 cable to the RF Modulator ’ s TO TV terminal, and the other end to the
television ’ s TV VHF/UHF terminal.
USE
USE
USE
USE
Turn on TV and set to Channel 3 or 4 Set the RF Modulator ’ s CHANNEL3/4 switch to the same
channel as TV. Turn on the video source you ’ ve connected, then set 75 Ω/1K Ω on the RF
Modulator to the position that results in the best TV picture. The video signal indicator light will be
on when the RF Modulator is receiving a signal from an A/V source. To return to normal television
viewing, turn the power off on the video co mponent that is connected to the RF Modulator.
CARE
CARE
CARE
CARE AND
AND
AND
AND UPKEEP
UPKEEP
UPKEEP
UPKEEP
Only use and store indoors at normal climate-controlled room temperatures-extreme tempera -
tures and humid environments will damage internal electronic components.
�
Keep away from moisture; immediately wipe spills dry.
�
Handle with care-do not shake or drop.
�Dust regularly with a soft cloth.