NAV-TV DIFF-CAM Switcher Installation Manual
BHM
Overview
Kit Contents
VSW Board
NTV-ASY187
VSW Power Harness
NTV-HAR066
DIFF CAM Board
NTV-ASY221
Main Harness
NTV-HAR299
04/24/17
NTV-DOC149
rB6
3950 NW 120th Ave, Coral Springs, FL 33065 TEL 561-955-9770 FAX 561-955-9760
www.nav-tv.com info@nav-tv.com
DIFF CAM-Switcher
NTV-KIT437
The NAV-TV DIFF-CAM Switcher is used to interrupt the OEM differential rear-cam video
signals and input an aftermarket composite video source to the factory LCD screen, upon
command. It’s activated via an external toggle switch (not included).
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
1 | P a g e
BHM
VSW Harness pin outs
PIN #
Description
Color 1 --
--
2
DIFF Video IN (-)
White/Purple
3
Video IN - (car side)
White/Orange
4
Video OUT - (screen side)
Orange
5
--
-- 6 DIFF Video IN (+)
Purple
7
Video IN + (car side)
White/Blue
8
Video OUT + (screen side)
Blue
PIN #
Description
Color
1
Not Used
White/Blue
2
Video 1 Trigger
White/Red
6
Ground
Black
Label
Description
A
LED: When illuminated,
Video 1 is active
A & B
LEDs: When both
illuminated (NOT USED)
1
5
8
DIFF signal
Input from car
DIFF signal
output to screen
1
5
8
4
Input/Output Connector
Power/Trigger Connector
A B 4
Normally connected pairs
(When no 12v is present on either trigger)
04/24/17
NTV-DOC149
rB6
Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for
misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is
intended for off-road use and passenger entertainment only.
2 | P a g e
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