Icom IC-7300 HF Plus User Manual

4
RECEIVING AND TRANSMITTING
4-31
Data mode (AFSK) operation
You can operate the data mode using AFSK (Audio
Frequency Shift Keying).
L When operating RTTY in the AFSK mode, PSK31 or JT65
with a PC application software, refer to the software’s
instruction manual.
1. Connect a PC or other device to the transceiver.
L See “FSK and AFSK connections” (p. 2-5) for
connection details.
2. Select the operating band.
(Example: 51 MHz)
3. Set the data operating mode to LSB-D, USB-D,
AM-D or FM-D.
(Example: FM-D)
Data mode
4. Refer to the application software for
communication details.
L When operating in the SSB data mode, adjust the
device’s output level within the ALC zone.
TIP: The carrier point is displayed when operating AFSK in
the SSB data mode.
See the illustration below for a tone-pair example.
170 Hz
2125 Hz
2295 Hz
Mark Space
Carrier point
(displayed frequency)
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Icom IC-7300 HF Plus Specifications

General

Type	HF/50 MHz Transceiver
Modes	SSB, CW, RTTY, AM, FM
Receiver Type	Direct Sampling
Antenna Connector	SO-239
Antenna Impedance	50 ohms
Power Supply	13.8V DC ±15%
Frequency Coverage	0.030-74.800 MHz
RF Output Power	100 W
Receiver Sensitivity	0.15 μV (typical)
Receiver Selectivity	SSB: 2.4 kHz, CW: 500 Hz
Image Rejection Ratio	70 dB
IF Rejection Ratio	70 dB (HF bands), 60 dB (50 MHz band)
Audio Output Power	2.5 W (at 10% distortion)
Display	4.3-inch color TFT touch screen
Dimensions	240 x 94 x 238 mm
Number of Channels	101 (99 regular, 2 scan edge)
Current Consumption	21A (maximum transmission)