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14
5
BASIC OPERATION
■
CW operation
The transceiver has the following CW keying features
selectable in the Set mode, as described on page 67�
z
Full:
Immediately returns to receive when
you release the key�
z
Delay:
Returns to receive after 0�5 seconds
has passed after you stop keying�
z
OFF:
Manual transmission with the
microphone’s [PTT] switch, or
grounding the SEND line of the [ACC]
connector is necessary before keying�
D
Connecting a CW key
1� Connect a CW key or an external electric keyer to
the [ACC] socket, as shown to the right�
2� Select the desired channel to operate in the CW
mode�
3�
Pus
or
until
is displayed in the
Software Key area�
4� Push
several times to select “CW�”
5� Operate the CW key to transmit a CW signal�
CW key connection
1
2
3
4
5
6
7
8
■
FSK operation
The transceiver has FSK and AFSK modes for FSK
operation� Select “FSK” when using the built-in
oscillator, and select “AFSK” when using an AFSK
terminal unit�
D
Connecting an FSK terminal unit
1� Connect an FSK terminal unit to the [ACC] socket,
as shown to the right�
2� Select the desired channel to operate in the FSK
mode�
L
ITU FSK channel group, Ch 4001 to Ch 22026, are
usable only when the “ITU FSK CH” setting is set to
“ON�” (p� 66)
3�
Pus
or
until
is displayed in the
Software Key area�
4� Push
several times to select “FSK” or
“AFSK�”
5� Operate using the FSK terminal unit�
FSK terminal unit connection
1
2
3
4
5
6
7
8
PTT
L
Manual transmission switch for
when “OFF” is selected in the
“CW break-in” setting� (p� 67)
To pin 1
To pin 2
To pin 1
To pin 3
To pin 2 and 5
Ground
TX/RX control
FSK keying
AF ground
AF input
FSK terminal unit
Summary of Contents for IC-M803
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