Description
Collins VHF-251 Communications Transceiver and PWC-150 Power Convertor
part number: 523-0766029-002118, second edition july 1975
This instruction book contains all the specifications, installation instructions, equipment operating procedures, principles of operation, and information necessary for proper maintenance of the VIR-351 Navigation Receiver and the IND-350/351/351C Indicator.
The VHF-251 Communications Transceiver is a panel mounted, 720 channel vhf voice transceiver providing AM voice communication in the frequency range from 118.000 through 135.975 MHz in 25-kHz increments.
Manual includes operation instructions, theory of operation, troubleshooting procedures, schematics and parts list.
This came from a Rockwell Collins radio test equipment manual library long term storage.
