This manual explains how to operate the TCL AT21289 television, including power on/off, remote control functions, menu navigation, and timer shutdown settings. Detailed instructions cover channel searching, antenna installation, and audio/video input connections.
Technical specifications such as voltage range, audio output power, and supported channel frequencies are listed, and a troubleshooting section helps resolve common image or sound issues. This manual is written in Chinese.
| Working voltage range | 165‑250 V ~ 50 Hz |
|---|---|
| Audio output power | 1.58 W + 1.8 W max |
| Frequency range | 470 MHz |
Press the main power switch key on the remote; it connects or disconnects the TV’s power.
Use the timer shutdown function and set the desired time, e.g., 15 minutes, then the TV will power off automatically.
Select the automatic channel search option; the TV will scan all receivable channels starting from channel 1 and store them.