This manual describes the features and functions of the TCL AT21288 color television, including remote‑control key operations, picture and sound adjustments, and menu navigation. It also outlines safety warnings and proper handling of the device.
Installation guidance covers antenna connection, power supply requirements (220 V / 50 Hz), and battery replacement (two 1.5 V cells). The troubleshooting section lists common issues such as no picture, no sound, and interference, with step‑by‑step remedies. This manual is written in Chinese.
| Power supply voltage | 165 V‑250 V |
|---|---|
| Power consumption | 165 W‑250 W |
| Battery type | 2 × 1.5 V cells |
Open the battery compartment, insert two 1.5 V cells with the correct polarity, and do not mix new and old batteries or different types.
Increase the volume with the “音量增” key, ensure the mute function is off, and check that the audio mode is set correctly.