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5
RECEIVE AND TRANSMIT
Data mode (AFSK) operation
When operating AMTOR or PACKET with a PC appli-
cation software, consult the manual that comes with
the software.
Before transmitting, monitor the operating frequency
to make sure transmitting won’t cause interference to
other stations on the same frequency.
Connect a PC or other device to the transceiver. (p.
3-8)
Push a band key to select a desired band. q
Push the Mode key [SSB] or [AM/FM] to select the w
desired mode.
• Normally, the LSB mode is used in the HF band, and the
FM mode is used in the VHF band.
Push [DATA] to turn ON the data mode. e
• In the data mode, hold down [DATA] for 1 second to
sequentially toggle the data mode between D1, D2, and
D3.
• Push [DATA] again to turn OFF the data mode.
Rotate [MAIN DIAL] to tune in the desired signal r
and decoded correctly.
• Also use the tuning indicator of the PC software.
• In the SSB data mode,
1
⁄4 tuning function can be used
for critical tuning.
Push the Multi-function [METER]( t ) key to select
the Po meter.
Rotate [RF PWR] to adjust the output power. y
• The TX power readout displays the setting level.
Transmit by using the PC (software). u
• The [TX] indicator lights red.
• When operating in the SSB data mode, adjust the PC’s
output level so that the ALC meter reading doesn’t go
outside the ALC zone.
Transmit the AFSK signal by using the keyboard. i
• After your transmission is nished, returns to receive.
For your information
The carrier frequency is displayed when the SSB data
mode is selected.
See the diagram to the right for a tone-pair example.
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