Icom IC-7410 Instruction Manual page 100

11
DATA COMMUNICATION
Before operating packet (AFSK), be sure to consult the
operating manual that came with your TNC.
q Connect the TNC and PC. (p. 92)
w Select the desired band. (p. 25)
e Push [SSB] or [AM/FM] to select the desired oper-
ating mode.
r Hold down the same key you pushed in step e for
1 second to select the Data mode.
t Rotate [DIAL] to select the desired frequency.
y Transmit your AFSK signals using your PC's key-
board.
ted signal is indicated on the Po meter.
put power so that the ALC meter reading stays in the
ALC zone.
When connecting the TNC to the ACC socket
on the rear panel, select the USB, LSB, AM and FM
data mode, or disconnect the microphone and ro-
tate the [MIC] control fully counterclockwise.
When the "DATA MOD" item is set to "ACC" (default)
in the Set mode, and the data mode is selected,
the audio input from the [MIC] connector is auto-
matically cut. In that case, the audio input from the
[ACC] socket is used.
Also, when the data mode is selected, the fixed set-
tings listed below are automatically selected;
D
When operating AFSK in the SSB mode, the displayed
frequency is the signal's carrier point.
93
(Fixed to the default value;
300 Hz to 2700 Hz.)
[SSB]
-
Appears when the data mode is selected.
-
LSB/LSB data mode
Mark freq.: 2125 Hz
Shift freq.: 200 Hz
200 Hz
[AM/FM] [DIAL]
2325 Hz
2125 Hz
Carrier point
(Displayed frequency)