VT30/OM Rev-A
7
3.2 Pre-Test
Although each unit is thoroughly tested at the factory for both functional and
environmental performance, a minimal amount of pre-testing should be done by the
operator before placing the transmitter into service. The transmitter, an appropriate AMP
receiver, transmit and receive antennas, a video camera, a video monitor, a microphone, a
speaker or headphones, and DC power supplies are the only components required to
perform a functional test of the transmitter.
The transmit and receive antennas should be situated at a distance of greater than 25 feet
apart to prevent serious damage to or destruction of the receiver’s front end. Set up the
receiver and make all necessary adjustments in accordance with that unit’s Operation
Manual. Connect the receiver video output to the video monitor and the receiver audio
output to the speaker or headphones.
If using remote control, connect remote control to the On/Off Control line (white wire in
DC Power Cable). If not using remote control, connect the On/Off Control line to power
or chassis ground.
Verify DC power supplies are b9 and +16 Vdc. With the DC Power Cable
(MDM-9S connector) DISCONNECTED from the transmitter, connect DC power supply
to DC Power Cable (red = positive DC input, black = negative DC input (ground)). Do
not connect DC Power Cable to transmitter until all other connections are complete.
Connect the transmit antenna to transmitter RF output connector (SMA). Connect the
Video Adapter Cable to the transmitter video input connector (SSMA, SMB optional).
Connect the Video Cable between the Video Adapter Cable and video camera. Connect
the microphone to the Audio Cable (MDM-9P connector) and Audio Cable to the
transmitter (mates to MDM-9S connector on transmitter). Refer to Section 4.1 for Audio
Cable wiring.
Configure switches as instructed in Section 4.2. Connect DC Power Cable to transmitter
(mates to MDM-9P connector on transmitter). If not using remote control, video should
be observed on the monitor and audio heard through the speaker / headphones once the
transmitter locks on frequency (requires several seconds). If using remote control, the
On/Off Control line must be enabled (grounded or <0.8 Vdc) before video and audio will
be present.
If no video or audio is present, refer to Section 5.2 for troubleshooting instructions.
4.0
INSTALLATION AND OPERATING INSTRUCTIONS
4.1
Use and Function of Connectors
AMP Transmitters are simple to install, requiring only connection to the antenna, camera,
microphone, and DC power supply using the appropriate cables and jacks. The use and
function of the transmitter connectors are as follows:
