This is a user manual for PET722 portable DVD player.
This manual explains the functional overview of the PET722, including the main unit controls, remote control functions, and supported disc formats such as DVD‑Video, Video CD, Audio CD, MP3 CD and JPEG image slides. It also covers battery handling, power sources (AC adapter and car adapter), and safety precautions for hearing and laser exposure.
The guide includes preparation steps for connecting power and accessories, basic operation procedures like loading discs, navigating menus, and adjusting volume, as well as troubleshooting tips, technical data, and warranty information for the device.
| Dimensions | 210 x 158 x 39.5 mm |
|---|---|
| Weight | 0.79 kg / 0.36 pounds |
| Power supply (input) | 100‑240V 50/60Hz 0.3A |
| Power supply (output) | DC 9V 1A |
| Power consumption | 9W |
| Operating temperature range | 0 °C – 45 °C |
| Laser wavelength | 650 nm |
| Video system | PAL |
| Frequency response | 20 Hz ~ 20 kHz ± 1 dB |
| Signal‑to‑noise ratio | ≥ 80 dB |
| Audio distortion | ≤ ‑80 dB (1 kHz) |
| Channel separation | ≥ 80 dB |
| Dynamic range | ≥ 80 dB |
| Audio output level | 2 V ± 10 % (10 kΩ load) |
| Video output level | 1 Vp ± 20 % (75 Ω load) |
Connect the DVD player directly to the AC mains adapter; the charge indicator will turn on while the player is switched off.