10
4
RECEIVE
AND
TRANSMIT
• CW operation (Marine/General versions only)
The transceiver has the following
CW
keying fea-
tures and they can be selected
in
set mode as
described on
p.
14
• Full break-in (receiving is possible
while
transmitting)
• Delay keying (automatic transmission
with
keying)
• OFF
(manual
transmission
is
necessary before
keying)
CD
Connect a
CW
keyer
or
an external electronic
keyer to the ACC(1) socket as shown
at
right.
(g)
Select the desired channel to operate
CW
mode.
@ When the selected channel is not
in
A1A
mode,
push [MODE] one
or
more times to select
"A
1 A."
@ Operate the
CW
keyer to transmit a
CW
signal.
~
CW
mode
may
not
be
used
depending
on
versions.
~
CW
narrow
can
be
selected
in
set
mode
(p.
13)
when
~
an
optional
filter
is
installed
(already
built-in
to
the
GMDSS
~
versions).
CW
key connection
CWkey
ACC(1)
socket
• FSK operation (Marine/General versions only)
The transceiver has FSK and
J2B
modes for FSK
operation. Use the FSK mode when using the
oscillator
in
the transceiver and use the J2B mode
when using an
AFSK
terminal unit.
CD
Connect an FSK terminal unit as shown at right.
(g)
Select the desired channel.
-
FSK
ITU
channel
group,
ch
4001
to
ch
25040,
are
available depending
on
versions.
@ Push [MODE] one
or
more times to select the
type
of
emission as "FSK"
or
"J2B."
@ Operate the FSK terminal unit.
~
FSK
shift frequency
and
FSK
polarity
can
be
adjusted
~
in
set
mode
(pgs.
13,
14).
NOTE:
Some
transceivers
may
operate 1
.7
kHz
higher
than
the
IC-M71
O's
J2B
mode
even
when
the
same
displayed frequencies
are
in
use
.
FSK terminal unit connection
ACC(1)
socket
FSK
terminal unit
• Cross channel operation (Europe versions only)
Cross channel operation is available with some
versions to operate different channels for receiving
and transmitting.
CD
Select the desired channel for receiving.
-
ITU
simplex channels cannot
be
used
for
cross
channel
operation.
(g)
Push
[TX],
then select the desired channel for
transmitting.
-
"ID"
blinks after
pushing
[TX].
@ Push
[TX]
again to stop the blinking.
@ Operate the transceiver normally.
@ Change the channel to clear the cross channel
setting.
Cross channel operation example
I C
:1
C
llJ3 I
!..1
-1 -1
DUP
I
-,
.::r
I.
_I
I
__
1
f71
I 1._1 I
I.ILI
'
While
receiving
,_:
::.3l:
:
c'
c:
El
._:
:::
~:.:
DUP
o:t
I-,-,,- 1171
..!££_:..:.!...1':!-
0 ' 2 J 4
While
transmitting
~
NOTE: This function is available for the
~Europe
versions only.
To Next Page
Loading...
