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Appendix C: CPSW Reference Material
beginning of the message that was playing (such that pressing the PLAY key will then
replay that message).
Reset
This key cancels IRR playback or pause, and resets the playback message pointer to the
beginning of the most recently recorded message. This function has no effect on the record
mode.
Record
This toggle key enables the IRR to record all transmit and receive audio on the channel if
currently disabled. It disables IRR recording if currently enabled. This function is
recommended for supervisory consoles only.
Extended Channel Functions
These are additional channel functions that can be assigned to Standard Tone and/or DC
controlled channels.
CTCSS Select
This command activates CTCSS (constant tone coded squelch signal) over-ride. This key
will cause the PL (private line) feature to be disabled thereby allowing all radio channel
activity to be monitored by the console operator. Refer to
Definitions
Repeat On/Off
This key will toggle the radio repeater on/off function on the appropriate channel. Refer to
DC and Tone Remote Function Definitions
transmitted.
Coded/Clear
This key will toggle the coded/clear function on the appropriate channel. Refer to
Tone Remote Function Definitions
transmitted.
Second Receiver Unmute/Mute
This key will toggle the radio Mute on/off function on the appropriate Tone controlled
channel. Refer to
tone transmitted.
378
on page 364 for the actual tone or DC current transmitted.
on page 364 for the actual tone or DC current
DC and Tone Remote Function Definitions
DC and Tone Remote Function
on page 364 for the actual tone or DC current
on page 364 for the actual
DC and
025-9533Y
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