User's Manual

172
15
DATA COMMUNICATION
15
N0ACKET!&3+OPERATION
Before operating packet (AFSK), be sure to consult the
operating manual that came with your TNC.
q Connect the TNC and PC. (p. 171)
w Select the desired band. (p. 35)
e Push [SSB] or [AM/FM] to select the desired oper-
ating mode. (p. 43)
r Hold down the same key you pushed in step e to
select the Data mode.
t Rotate [MAIN DIAL] to select the desired fre-
quency.
y Transmit your AFSK signals using your PC’s key-
board.
 s2OTATE;2&0/7%2=TOSETTHEOUTPUTPOWER
s7HILEUSINGA4.#THERELATIVESTRENGTHOFTHETRANSMIT-
ted signal is indicated on the Po meter.
s7HENOPERATINGINTHE33"DATAMODEADJUSTTHEOUT-
put power so that the ALC meter reading stays in the
ALC zone.
NOTE: 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 [MIC GAIN] fully counterclockwise.
When the SSB data mode is selected, the audio
input from the [MIC] connector is automatically cut,
and the audio input from the [ACC] socket is used.
Also, when the SSB data mode is selected, the fixed
SETTINGSLISTEDBELOWAREAUTOMATICALLYSELECTED
s3PEECHCOMPRESSOR/&&
s4RANSMITBANDWIDTH -)$ Fixed to the default
VALUE(ZTO(Z)
s4XTONE"ASS 
s4XTONE4REBLE 
s%XAMPLELSB/LSB data mode
Mark freq.: 2125 Hz
Shift freq.: 200 Hz
2325 Hz
200 Hz 2125 Hz
Carrier point
(Displayed frequency)
When operating AFSK in the SSB mode, the displayed
frequency is the signal’s carrier point.
D&REQUENCYDISPLAYDURING!&3+OPERATION
Appears when the FM data mode is selected.
[AM/FM] [MAIN DIAL][SSB]