IC-F3108D and IC-F4108D are ICOM's walkie-talkies that support VHF and UHF bands and can be used for communication.
This manual covers safety precautions, including avoiding battery short‑circuit, using only original batteries, and keeping the antenna away from the body during transmission. It also describes the front panel, LED indicators, control keys, and basic operation such as power on, channel selection, and call handling.
Additional sections explain battery installation and charging, voice‑control (VOX) activation and adjustment, and the included accessories such as antennas and mounting hardware. The document provides step‑by‑step procedures for configuring and using the radios safely and effectively. This manual is written in Chinese.
Do not short‑circuit the battery, use only original ICOM batteries, and keep the antenna away from exposed body parts during transmission.
Turn off the radio, set the channel to 16, then hold the PTT and Upper keys together while powering on to enter VOX gain adjustment mode; use the Upper/Lower keys to adjust the level.