Dcl (Digital Channel Link) System; Dcl System Description - Kenwood TM-3530A Instruction Manual

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PHONE TONE VOICE
O®
(FLOCK [ox an CH
i
4-7-2, Storing a telephone channel in normal
memory
@ Select the desired memory channel with the MEM-
ORY CHANNEL selector.
@® Press the PHONE switch.
@ Select the desired telephone channel number with the
MEMORY CHANNEL selector.
(When the [C] key is pressed, "Fi—-" will be dis-
played, erasing any previously stored telephone chan-
nel number, and turning off the telephone indicator
pi. !f you wish to review the contents of the tele-
phone channel press the [PS] key as previously de-
scribed.}
@® Press the [M] key.
(Pressing the fu] key stores the telephone channel in-
formation in the selected memory channel. Either the
key mode or the memory mode may be used for this
operation.)
@® Press the PHONE switch to return to the normal fre-
quency display.
@ Select the desired telephone number channel using
the MEMORY CHANNEL selector.
@ Press the PTT switch.
@ Press the PHONE switch to initiate transmission of
the telephone number.
(Pressing the PHONE switch with the telephone indi-
cator off will cause an alarm to sound, signifying an
error in operation.
* Conventional 16-key autopatch operation is also possi-
ble, as is a combination of automatic dialing and con-
ventional dialing. Simply press and hold the PTT bar
when conventional! operation is desired.
4-8-1. DCL system description
B. Operating principle of DCL system
Conventional method [manual} DCL system
Find an open channel from the
operating fraqueney (channel). ]
Send the open freq uency information
to the receiving station. |
Both stations move to
the open channel.
Allaperations
are automatic with
the DCL system.
Main
Ic2
Sub
processor
1c
'To TX modulator
Control signal {(MSK)
Keyboard
'Transmission/
eption
judgemant,
Busy judgement
From BX detector
Concept of DCL system
1 Mark Space
1 4200H2 1 1800 Hz
i
1
1 ' '
MSK signal
x
1
h
1 1 t
H
L :
Data
retransmitted.
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