21
RELM/BK Radio
Mixed Mode Operation
The receiver and transmitter are capable of operating in analog wide-band
(25 kHz channel spacing), analog narrow-band (12.5 kHz channel spacing)
and APCO Project 25 Digital Mode.
Each channel’s Receive and Transmit Mode can be set independently as
follows:
Mode
Rx
Tx
Analog
Receive qualified analog signals only
Transmit analog signals only
Digital
Receive qualified digital signals only
Transmit digital signals only
Mixed
Automatically receive qualified
analog or digital signals
Transmit analog or digital
signal, depending on the status
of ‘TX Digital’ soft switch
Ch 1
KNG - P25
171.5850 0 MHz
LIGT T/A MENU LCK
TxD
Ch 1
KNG - P25
171.5850 0 MHz
LIGT T/A MENU LCK
TxA
Digital receptions and transmissions will be
indicated by illuminating the D annunciator in
addition to the RX or TX annunciator.
Analog receptions and transmissions will be
indicated by illuminating the A annunciator in
addition to the RX or TX annunciator.
Mixed Mode Talkback
If Mixed Mode Talkback is enabled, transmissions initiated while
hold time remains will be in the same mode as the received signal,
if the signal was received on the Ready to Transmit (RTX) channel.
Depending on programming, the RTX channel can be the main
channel, a held scan or priority channel if Talkback Scan is enabled,
or the Priority 1 channel if TX on PR1 is enabled. TX Mode on the
RTX channel must be set to MIXED.
Ch 1
KNG - P25
171.5850 0 MHz
LIGT T/A MENU LCK
RxD
Press the PTT while the
RX indicator is shown
While hold time after a reception remains,
transmissions will be in the same mode as
the received signal, regardless of the status
of the TX Digital switch. As in Talkback
Scan, the RTX channel and receive
annunciators will be displayed for the
duration of the timer.
Содержание KNG
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