AValon RF TX618M User Manual
Page 6
AVALON RF, INC.
Page 4
TX418M/TX518M/TX618M User’s Guide & Operating Manual
2. Specifications
2.1 User Interface - On/Off Switch.
The TX618M series transmitter has an on/off switch. This shuts off
power to the entire transmitter.
2.2 Setup.
The TX618M transmitter has four frequency select switches that
select a frequency (1 of 16). The preset frequencies are defined by a
label on the transmitter.
The user is advised to select a channel within the permissible
frequency range to begin with, and if any interference is observed,
switch over to another channel.
The transmitter retains its setup during power down.
2.3 Electrical
Interface.
The transmitter has the following interfaces:
2.3.1 Power Input
a) The transmitters operate off a 9Vdc-16Vdc unregulated voltage
source.
b) This input is switched and protected against reverse polarity.
c) Typical power input current consumption is 160mA.
2.3.2 Video Input.
a) The video input accepts RS170, CCIR, NTSC or PAL signals.
b) Input voltage is 1Vp.p with a negative sync tip of 0.3V.
c) The input impedance is 75
Ω
(ohm).