90 Appendix C Testing with the TBA0STU Calibration Test Unit TB7300 Installation and Operation Manual
© Tait International Limited December 2022
This is only an output and has no input circuitry associated with it.
TX Relay works in analog and P25 modes.
Using TX Key
A switch is available to key the transmitter on. A banana socket is also
available for keying from an external input.
TX Key only works in analog mode.