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Kenwood TM-3530A User Manual

Page 28

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Operating procedure

Operation

Remarks

2. Press the DCL key to switch the sys­

tem ON.

B . S E ' D

Cl;

m

m

m

m

03 m ^.i

m

m 03

eg

Pressing once turns the system ON and

lights the DCL system indicator. (Press­

ing again switches the system OFF.)

When the noise appears, set
the squelch control to the

threshold point.

< When the offset is [^(Simplex) >

3. Press the CHL key to start channel

linkage operation.

When the key is pressed once, the LCD

indicator flashes and the open channel
range is scanned. (The frequency display
also displays the open channel being
scanned.) When an open channel is
found, the original operating frequency is
selected and data is automatically trans­

mitted for movement to the open chan­
nel.
If the C.SQ system of the receiving sta­
tion is on, in conjunction with the DCL
system, you must ensure that the trans­
mit code is the same as his receive code
for proper system operation. If the
codes are the same the DCL system will
operate normally, ie. both radios will be
switched to the open channel.

< When the offset is [T] or PI >

3. Press the CHL key to start channel

linkage operation.

m im

(^*1
ES>'

PI

m

03

s

m

ni'l

□ non

When the key is pressed once, the LCD

indicator flashes and the open channel
range is scanned. (The frequency display
also displays the open channel being
scanned.)

When an open channel is found, the ori­

ginal operating frequency is selected and
the radio will enter a receive mode, in
which a series of three beeps sounds re­

peatedly, while normal receive functions
occur.
As soon as the channel is open you can

initiate the automatic frequency change
by simply pressing and releasing the PTT
switch. (TM-3530A/2570A/2550A/
2530A only)

The TONE switch must be on for proper

operation. (TM-2550E only)

1. When an open channel is

not found, press the PTT
switch or RESET key to

release the search.

2. If another station is trans­

mitting on the original fre­
quency when the unit re­
turns from the open chan­
nel search, automatic
transmission will not take
place. The radio will enter
a receive mode, in which a
series of three beeps
sounds repeatedly, while
normal receive functions
occur. As soon as the
channel is open you can
initiate the automatic fre­
quency change by simply

pressing the PTT switch.

1. If an open channel is not

found, press the PTT

switch or RESET key to

release DCL functions.

2. Channel linkage does not

occur until the PTT switch

is released.

3. Just as when operating in

the simplex mode C.SQ
system may also be used.

However, some repeater

systems may not pass the

DCL signal properly. This
is due to a time delay in

the repeater, and is not a
fault of the DCL system.

28

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