14221-1850-2000, Rev. A
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6. Highlight and select the parameter to edit. For P25 channels, modify remaining channel settings:
• CHANNEL NAME - The Channel Name cannot be changed from this screen; RPM2 is required
to change the Channel Name.
• RX FREQUENCY - Receive frequency. Note that if the new frequency is invalid, the display
reverts to the old frequency (Table 6-1).
• TX FREQUENCY - Transmit frequency.
• TX POWER - Transmit power. Toggle between LOW and HIGH.
• TALKGROUP - Select a talkgroup for the channel. Talkgroup name cannot be set here.
• RX NAC - Network Access Code (NAC) radio uses for Normal squelch in receive.
• TX NAC - NAC radio transmits to break Normal squelch on receiving radio.
• P25 SQUELCH - Select type the radio uses in receive. Select NORMAL, SELECTIVE, or
MONITOR.
• RX CHAN GUARD – Squelch type radio uses in receive. Select Noise, CTCSS, or CDCSS. For
a digital channel, the RX CHAN GUARD is used to receive from a Conventional analog channel
that is on the same frequency and uses the selected Channel Guard.
RX CODE - Code radio looks to unmute the speaker on the receiving radio when CDCSS
squelch is used in conventional mode.
RX TONE - Tone radio looks to unmute the speaker on the receiving radio when CTCSS
squelch is used in conventional mode.
7. For analog channel, modify remaining channel settings:
• CHANNEL NAME - The Channel Name cannot be changed from this screen; RPM2 is required
to change the Channel Name.
• TX FREQUENCY - Transmit frequency.
• TX POWER - Transmit power. Toggle between HIGH and LOW.
• RX CHAN GUARD - Squelch type radio uses in receive. Select Noise, CTCSS, or CDCSS.
RX TONE - Tone radio uses to break selective squelch on receiving radio. This is available
when RX squelch is set to CTCSS.
RX CODE - Code radio uses to break selective squelch on receiving radio. This is available
when RX squelch is set to CDCSS.
RX CHAN GUARD is not available on this screen if it was enabled from the CALL
menu as per Section 4.17.
• TX CHAN GUARD - Squelch type radio uses in transmit. Select None, CTCSS, or CDCSS.
TX TONE - Tone sent by transmitting radio to allow receiving radio to unmute when CTCSS
squelch is used in conventional mode.
TX CODE - Code sent by transmitting radio to allow receiving radio to unmute when CDCSS
squelch is used in conventional mode.
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