The TCL NT21C41 Television User Manual provides step‑by‑step instructions for installing the set, connecting audio/video sources, and using the remote control. It covers safety precautions, product features, control‑panel layout, connection diagrams, and detailed operation such as power on/off, channel search, volume adjustment, and menu navigation.
Additional sections describe picture and sound settings, parental‑control functions, clock/world‑time setup, and a troubleshooting guide that lists common symptoms (no picture, no sound, interference) with suggested checks and contact information for service. This manual is written in Chinese.
| Power voltage range | 100‑250V 50/60Hz |
|---|---|
| Dimensions (W×D×H) | 5 mm × 490 mm × 460 mm |
| Weight | ≈23 kg |
Select the “Auto Search” (自动搜台) option on the remote or main unit; after a few seconds the TV will scan and store available channels automatically.
Use the volume up/down buttons on the remote or the volume control knob on the TV panel to increase or decrease the sound level.