This manual describes the main features, installation steps, and pre‑use settings for the Sampo JT‑B412L walkie‑talkie. It includes detailed instructions for powering the device, adjusting volume, selecting channels and CTCSS codes, and using special functions such as VOX and baby monitor mode.
The guide also covers maintenance, battery handling, and a troubleshooting section that helps resolve common issues like power failure, no transmission, limited range, and interference. Contact information for after‑sales service is provided at the end. This manual is written in Chinese.
| Battery type | DC 1.2V AAA (x4) |
|---|---|
| Dimensions (W×D×H) | 80 mm × 58 mm × 29 mm |
| Country of manufacture | China |
Press and hold the power button for about 2 seconds; a beep will confirm the device is on.
Check the battery polarity, reinstall the batteries, or replace them with fresh ones.
Press the up button to increase volume or the down button to decrease it.
Press the function key until the channel display appears, then use the "生" or "W" button to select the desired channel.