Operation manual for the NA-3031 FM transmitter, detailing features, setup, and usage instructions.
The NA-3031 FM transmitter is a car accessory with an LCD display, built‑in wireless FM transmitter covering 206 channels (87.5‑108 MHz), USB/SD card playback, folder switching, a fully adjustable viewing arm, and a wireless remote control. It plugs into a 12 V cigarette lighter socket.
The manual explains how to insert the unit, tune the FM frequency, play and stop music, adjust volume, change channels, select tracks, set EQ, and switch loop modes. Quick‑guide buttons and remote functions are described for easy operation while driving.
| Display | LCD screen |
|---|---|
| FM transmitter channels | 206 (87.5‑108 MHz) |
| Media support | USB and SD card |
| Power source | 12 V DC cigarette lighter |
| Remote control | Wireless full‑function remote |
Press the PLAY button once to start playback; press it again to stop.
Use the B+ button to increase, A‑ button to decrease, or press CH+ / CH‑ for 0.1 MHz steps, then confirm with CH.
It plugs into a 12 V DC cigarette lighter or vehicle power port.