This manual explains safety precautions and proper placement for the SM-21T30 monitor, including keeping it away from water, moisture, dust, and heat sources, and ensuring adequate ventilation. It also details how to connect power and AV cables, use the remote control, adjust image settings, and operate timer and calendar functions.
Additional sections cover troubleshooting common issues, such as popping sounds during power‑on, and provide the full technical specifications of the monitor, including screen size, power consumption, dimensions, and audio characteristics. This manual is written in Chinese.
| Screen diagonal | 21.7 inches (51 cm) |
|---|---|
| Power consumption | 80 W |
| Power voltage | AC 110 V ~ 60 Hz |
| Dimensions (W×H×D) | 609 mm × 512 mm × 455 mm |
| Net weight | 21 kg |
| Audio output power | 3 W + 3 W |
Do not place the monitor near water, in humid areas, on beds or sofas, or close to heat sources; keep ventilation openings clear.
Use the RCA AV input ports (AV1, AV2) on the rear/sides of the monitor to connect external video signals.