Справочник Пользователя для ICOM 301500

43

4

RECEIVE AND TRANSMIT

N Data mode (SSTV/PSK31) operation

When operating SSTV or PSK31 with your PC soft-
ware, consult the manual that is supplied with the 
software.

q Connect a PC to the transceiver. (p. 20)
w  Push and hold 

 for 1 sec., then push a 

band key to select the desired band.

e  Push 

 to select SSB or AM mode.

 • 

 

After SSB mode is selected, push and hold 

 for 

1 sec. to toggle between USB and LSB modes.

r  Turn data mode ON in the quick set mode.

q  Push and hold 

 for 1 sec. to enter the 

quick set mode.

w  Rotate [M-CH] to select “DATA” to set the data 

mode.

e  Rotate [DIAL] to select the data mode ON or 

OFF.

 • 

“

” appears when the data mode is turned ON.

r  Push 

 to exit the quick set mode and 

return to normal operation.

t  Rotate [DIAL] to tune in a desired signal and de-

coded correctly.

 • 

 

The S-meter indicates received signal strength when 
a signal is received.

 

• Also use the tuning indicator of the software.

 • 

 

During SSB data mode, ¼ tuning function can be 
used for critical tuning.

y Use the PC (software) to transmit.

 • 

 

When operating in SSB data mode, adjust the AF 
output level from PC so that the ALC meter reading 
doesn’t go outside the ALC zone.

 NOTE: When the data mode is selected, the 
audio input from the [ACC] connector* is used for 
transmission instead of [MIC] connector.

 

 The speech compressor function is turned OFF 
for the SSB data mode transmission.

 * 

 

The desired connector can be selected in the set 
mode. (p. 77)

Data mode: ON (default: OFF)

Band keys

Either “USB” or “LSB” appears.

Appears while transmitting.

Appears

 For your information
Carrier point frequency is displayed when SSB data 
mode is selected.
See the diagram below for the tone-pair example.

• Example— LSB/LSB data mode

Mark freq.: 2125 Hz
Shift freq.: 200 Hz

2325 Hz

200 Hz

2125 Hz

Carrier

(Displayed frequency)