User's Manual

If two AVT900-3A transmitters are to be used simultaneously in a common area (so as to
broadcast two different audio & video sources), set one unit to Channel 1 and the other
unit to Channel 3. It is not advisable to attempt to use three units simultaneously.
Connecting Audio and Video to the AVT900-3A
Following the guidelines below, connect line level audio and video sources (outputs from
a DVD player, for example) to the corresponding line-level input jacks on the
transmitter’s rear panel (refer to Figure 2).
Audio – If a microphone is to be used as the audio source, an external microphone
preamp (not supplied) must be used to raise the microphone’s output signal to the
required line level.
Video – The AVT900-3A’s video input presents a terminated 75-ohm load to the output
of the video source device. Accordingly, no other device(s) besides the AVT900-3A
should be connected to the video source. If any additional device(s) must be driven by the
source device, a video distribution amplifier (not supplied) must be used.
Connecting Power to the AVT900-3A
The AVT900-3A requires an external power source of between 7.5 and 18 volts DC. A
plug-in power converter (12VDC) is supplied with the AVT900-3A. If preferred, a
battery (not supplied) may be used instead of the power converter. A 9volt alkaline
battery will operate the transmitter continuously for several hours.
Figure 1 - Front Panel
Figure 2 – Rear Panel