Code Squelch; 4-8-5, Channel Linkage - Kenwood TM-3530A Instruction Manual

Operating procedure
Operation Remarks
5. Press the CS key to return to the nor-
mal frequency display.
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Notes:
After all inputs have been completed,
press the CS key to return to the normal
frequency display.
As long as you are displaying
the digital codes you will not
be able to transmit.
Attempting to transmit will
cause an error alarm of three
beeps to sound.
@ Channe! linkage using the DCL system is effective
even in code squelch mode.
4-8-5. Channel linkage
Channel linkage operations cannot be performed until
you have completed entering at least one digital access
code. This information is required for proper system
operation. You do not need to use the code but ft must
1. The digital code that appears when the CS key is
pressed is the code that will be transmitted, regard-
less of the standby status.
2. The digital code that appears when the CS key is
4-8-4. Code squelch
This function gives the operator the ability to select
which stations he/she wants to listen to. Only those sta-
tions that transmit the proper access code will be able to
"OPEN" squelch.
For example: when station A wishes to talk with station
pressed will also be one of the "Active" codes in re-
ceive, along with any other codes that have the
standby indicator "ON".
B only, both stations should prearrange to be on the
same frequency, with the same access code.
Example: Frequency : 146.520 MHz
Digital code: 12345
The same procedure is used with the TM-3530A.
Station A Station B
1. Press the DCL key to turn on the DCL system.
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2. Signals of other stations (with different digital access
codes, or no digital code) will not be heard, even
though the S meter confirms their presence.
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3. When station B transmits the proper access code, the
C.SQ indicator will go out, and digital squelch will
open.
Three beeps will sound to signal reception of the de-
sired code.
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3. Press the PTT switch to send the transmit code.
(Code information is sent at the beginning and the end
of each transmission.)
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Operating procedure
Operation
Remarks
1. Enter the frequency that you want
open channel searches to begin from
into memory channel A.
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Memory entry is as discussed in previ-
ous sections. The digital channel search
will search up to 11 channels from the
frequency stored in memory channel A (a
total of 12 channels).
(With the TM-2570A/2550A/2550E/
2530A) :
The step size is: 15 kHz (or 20 kHz by
cutting internal diode) for the
TM-2570A/2550A/2530A, and 25 kHz
with the TM-2550E.
Example: When 146.400 MuHz is en-
tered in CH A (TM-2570A/
2550A/2530A) search pro-
ceeds as follows:
1. 146.400
2, 146.415
3. 146.430
12. 146.565
(With the TM-3530A)
The step size is: 20 kHz (or 40 kHz by
cutting internal diode)
Example: When 223.540 MHz is en-
tered in CH A search pro-
ceeds as follows:
1. 223,540
2. 223.560
3. 223.580
12. 223.760
If you have entered a fre-
quency into memory channel
"b", that is one of the fre-
quencies that will be
scanned by the channel
search function, that fre-
quency will not be selected
as the open channel, even if
itis vacant.
Note:
Open channel! search will not
stop on the original fre-
quency under any circum-
stance.