Pacific Research Solutions
RI-300e User Manual
Page 2
The RI-300 provides excellent audio quality. With proper consideration when interfacing the controller to the receiver and
transmitter, your repeater will provide excellent audio to the users. Interfacing information is provided in numerous sections of
this manual and support is available from the factory. The receiver discriminator output must be connected to the RI-300 audio
input in order for the squelch circuit to function properly and to provide excellent audio. Do not connect the RI-300 audio
input to the receiver speaker connection, as the squelch will not operate properly. The RI-300 provides for easy
programming of customized user features or user commands by giving you the ability to write and name simple macros. All
messages and telemetry are also programmable.
For the latest product documentation updates and information, visit our web site at “http://www.pacres.com”.
What is an RI-310?
The RI-310 is one model in a series of RI-300 repeater controllers designed specifically as a “Plug-N-Play” component for the
Yaesu/Vertex VXR-5000 repeaters. This manual was written around the RI-300 repeater controller, which is a generic version
that is designed to interface with any repeater. The RI-310 has some additional features that allow you to remotely control the
frequency and transmit power level of the repeater.
Summary of Contents for RI-310e
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