ICOM IC-2820H VHF/UHF Dual‑Band Transceiver User Manual

About this manual

This manual provides step‑by‑step instructions for installing the IC‑2820H, setting power supply parameters, and selecting operating modes such as VFO, scan, and memory channels. It also covers the use of tone, DTMF, CTCSS, and DTCS functions, as well as GPS and PTT features.

Additional sections describe power‑saving options (auto power‑off, auto ATT), display settings (LCD contrast, backlight), and troubleshooting tips for common issues. This manual is written in Chinese.

What's inside

• Power Supply
• Operating Modes
• Frequency Settings
• Tone and DTMF Functions
• GPS Functions
• PTT and Audio Settings
• Auto Power and Power Saving
• Scan Functions
• Memory and Call Sign
• Display Settings

Specifications

Frequently asked questions

What voltage should be used for the power supply?

The transceiver requires a 13.8 V supply with a tolerance of ±15 %.