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General| Antenna Impedance | 50 Ohms unbalanced |
|---|---|
| Power Supply Requirement | 13.8 V DC ±15% |
| Carrier Suppression | More than 40 dB |
| Unwanted Sideband | More than 50 dB |
| Frequency Range | 1.6-30 MHz |
| Mode | SSB, CW, AM |
| Frequency Stability | ±200 Hz (after warm-up) |
| RF Power Output | 100 W (SSB, CW, RTTY), 40 W (AM) |
| Output Power | 100 W (PEP) |
| Spurious Emissions | -50 dB |
| Receiver Sensitivity | AM: 2 μV (at 10 dB S/N) |
| Selectivity | 2.4 kHz (-6 dB) |
| Spurious and Image Rejection Ratio | More than 70 dB |
| Audio Output Power | More than 2.5 W at 10% distortion into an 8 Ohm load |
Defines WARNING, CAUTION, and NOTE terms used in the manual for safety.
Provides essential safety warnings and precautions for operating the transceiver.
Details essential controls on the front panel like PWR, MIC, AF, RF/SQL, RIT, SHIFT, LOCK, PREAMP, FC switches.
Explains the function of the CHANNEL SELECTOR and MEMORY CHANNEL UP/DOWN switches.
Describes rear panel connections for ANTENNA, DC POWER, TUNER, and REMOTE.
Details rear panel ports for ACCESSORY, ELECTRONIC KEYER, ALC, SEND, and GROUND.
Provides a detailed pinout and specifications for the ACC socket.
Details the description, connectors, and schematic of the HM-36 microphone.
Guides on unpacking the transceiver and selecting an optimal operating location.
Explains the importance of grounding and how to connect an antenna.
Illustrates required connections for front and rear panels, including microphone and antenna.
Details how to connect the transceiver to different DC power supplies.
Provides instructions for connecting external antenna tuners to the transceiver.
Explains three methods for selecting channels: selector, switches, and keypad.
Covers basic voice reception, transmission, and mode selection.
Explains how to adjust RF gain and squelch for optimal reception.
Details how to set output power and adjust microphone gain for transmission.
A chart to help identify and correct common equipment problems.
Explains how to replace blown fuses in the transceiver and DC power cable.
Details the procedure for resetting the transceiver's CPU to default settings.
Explains how to connect the transceiver to a PC via a CI-V converter.
Details the process for copying settings between IC-78 transceivers.
