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General| Type | HF Transceiver |
|---|---|
| Image Rejection | 70 dB |
| IF Rejection | 70 dB |
| Current Consumption (Tx Max) | 20 A |
| Dimensions | 240 x 100 x 270 mm |
| Mode | SSB, CW, AM |
| RF Power Output | 100 W |
| Sensitivity (SSB/CW) | 0.5 µV |
| Sensitivity (AM) | 2 μV (10 dB S/N) |
| Sensitivity (FM) | 0.5 µV |
| Selectivity (SSB) | 2.4 kHz |
| Selectivity (CW) | 500 Hz (-6 dB) |
| Selectivity (AM) | 6 kHz (-6 dB) |
| Selectivity (FM) | 15 kHz |
| Supply Voltage | 13.8 VDC |
Explains dual digital VFO with PLL, microcomputer control, and tuning resolutions.
Details the dual conversion superheterodyne system and RF amplifier circuit.
Describes PBT for clear reception and its use as a speech processor.
Details power supply requirements, AC operation, and DC power cord connection.
Identifies and labels all controls and indicators on the front panel of the IC-720.
General instructions and procedures for tuning frequencies using the tuning knob and controls.
Explains VFO selection, SIM/DUP operation, and band changing buttons.
Procedures for receiving and transmitting in SSB mode, including Noise Blanker and Attenuator.
Instructions for SSB transmission, speech processor usage, and VOX circuit operation.
Guides on VOX circuit usage and procedures for CW reception and transmission.
Setup and procedures for RTTY operation, including receiving and transmitting.
Instructions for receiving and transmitting AM signals.
Troubleshooting steps for power-related issues and audio output problems.
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