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18
3
RECEIVE AND TRANSMIT
3
The transceiver has the following CW keying features
selectable in set mode as described on p. 43.
➥
Full break-in
(receiving is possible while transmitting)
➥
Semi break-in
(automatic transmission with keying)
➥
OFF
(manual transmission with microphone’s
[PTT]
, or
grounding the SEND line of [ACC] connector is
necessary before keying)
q
Connect a CW keyer or an external electronic
keyer to the [ACC] socket as shown at right.
w
Select the desired channel to operate CW mode.
e
If the selected channel is not in CW mode, set to
select ‘CW.’ (p.18)
r
Operate the CW keyer to transmit a CW signal.
CW key connection
1
2
3
4
5
6
7
8
To pin 2
PTT*
*manual transmission switch for break-in
OFF setting.
To pin 1
To pin 3
■
CW operation
The transceiver has FSK and AFSK modes for FSK
operation— use FSK when using the built-in oscilla-
tor; use AFSK when using an AFSK terminal unit.
q
Connect an FSK terminal unit to the [ACC] socket
as shown at right.
w
Select the desired channel to operate FSK mode.
e
Push
[I/O]
to enter the
Quick set mode
.
r
Push
[
√
√
]
/
[
∫
∫
]
several times to select ‘MODE,’ then
push
[
Ω
Ω
CLR]
or
[OK
≈
≈
]
to select FSK or AFSK
mode.
t
Operate the FSK terminal unit.
NOTE:
• FSK tone, shift frequency and FSK polarity can be
adjusted in initial set mode (pgs. 42, 43)
• Some transceivers may operate 1.7 kHz higher
than the IC-F7000’s AFSK mode even when the
same displayed frequencies are in use.
FSK terminal unit connection
1
2
3
4
5
6
7
8
To pin 1
To pin 3
FSK keying
AF input
FSK terminal unit
AF ground
Tx/Rx control
Ground
To pins 2, 5
é
-
SQL
-
LV
----
30
--
FILTER
----
WIDE
--
RIT
-------
0
--MODE
----
--
ç
-
USB
----
å
--
BEEP
-
LV
---
5
Q-SET
-
MODE
--LCD
-
CONT--
ç
-
7
-
å
è
-
RF
-
GAIN
---
9
--
DIMMER
----
6>0
--
TX
-
PWR
----
HI
■
FSK operation