7K • Chapter 10
10-2
Enable/Disable CTCSS Encoder
Turns ON and OFF a customer-supplied CTCSS encoder.
• Feed the encoder audio output into the 7K at J2-23 (PL Encode In), and
drive the transmitter PL input from the 7K at J2-24 (PL Encode Out).
• You may place the encoder into one of three modes: OFF (disabled),
continuously ON (continuously enabled), and timed ON (timed enabled).
• When continuously enabled, the encoder will be enabled when Transmitter
1 is keyed and disabled just before the Tx1 Minimum Unkey Delay. You
can adjust the Tx1 Minimum Unkey Delay (see page 17-15) for proper
squelching of user radios.
• The Timed ON mode means the encoder is turned ON for an adjustable
amount of time at the beginning of each repeater key-up. This time is
adjustable from 2 seconds to 9 seconds.
• Enter one digit, 0 for OFF (disabled), 1 for continuously ON (enabled), and
2 through 9 for 2 to 9 seconds of timed ON operation.
Command Form:
Command Form Data Digit
Enable/Disable CTCSS Encoder (PW) 02 x * 0 = OFF (disabled)
1 = continuous ON
(2-9) = (2-9) seconds
timed ON (enabled)
Acknowledgment: Sends OK
Errors:
Error Meaning
? err 1 wrong number of digits entered
? err 2 illegal digit entered
Default Condition: CTCSS Encoder is OFF (disabled).
Example:
To put the CTCSS encoder into timed ON mode for 7 seconds, enter the
following:
(PW) 02 7 *
If monitoring stations have CTCSS decoders, they can hear the beginnings of
QSOs and find out who’s on the air, but do not have to listen to the rest of the
conversation.
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