Key facts
- Brand
- BenQ
- Model
- P51
- Category
- Cell Phones
- Industry
- Electronics
- Documents
- 12
- Languages
- EN · ZH
- Last added
- 2026-09-28
Start here
BenQ P51 PDA Phone User Manual
This manual begins with safety precautions, including parental guidance, proper battery handling, and warnings about electromagnetic interference with medical devices. It stresses using only original batteries and chargers, avoiding exposure to fire, and proper disposal of the device according to EU directives.
The guide then covers hardware configuration such as installing the SIM card, inserting and removing the battery, using the stylus, and configuring Bluetooth. Subsequent sections describe phone functions like making and receiving calls, using MMS, accessing Internet Explorer, and running built‑in applications such as the calculator, media player, and Java program manager. This manual is written in Chinese.
BenQ P51 specifications
| Display type | 15.0" active TFT |
|---|---|
| Contrast / Brightness | 400:1 / 250 cd/m² |
| Viewing angle | 120°, 100° (CR=10) |
| Power consumption | 30 W (max), <1 W power‑saving |
| Input signal | RGB analog 0.7 Vpp / 75 Ω |
| Dimensions (HxWxD) | 338 x 331 x 136 mm |
All BenQ P51 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
- BenQ FP51G LCD Color Monitor User Manual 30 p
- BenQ MP512/MP513/MP522 Digital Projector User Manual 59 p
- BenQ MP510 Digital Projector User Manual 51 p
- BenQ MP514 Digital Projector User Manual 1 p
- BenQ MP512 ST / MP522 ST Digital Projector User Manual 62 p
- BenQ FP51G+ LCD Color Display User Manual 30 p
- BenQ MP512/MP513/MP522 Projector User Manual 60 p
- BenQ MP512 ST / MP522 ST Digital Projector User Manual 61 p
- BenQ FP51G LCD Color Display User Manual 32 p
- BenQ P51 PDA Phone User Manual 90 p
Questions answered in these manuals
Why is the image blurred on the monitor?
Read the "How to adjust the screen resolution" section and select the correct resolution and refresh rate.
What does a green LED on the display indicate?
A green LED with an "Out of Range" message means the monitor is using an unsupported display mode; change to a supported mode.
What is the maximum recommended altitude for operating this projector?
The warranty states that operation should occur at an altitude lower than 4920 feet.
Can I use a non-BenQ ceiling mount kit?
No, using a non-BenQ brand projector ceiling mount kit creates a safety risk that the projector may fall.
How can I replace the lamp in the MP510 projector?
The lamp is the only user‑serviceable part; remove the lamp cover, ensure the projector is unplugged, and replace the lamp assembly.
What safety precaution should I take when mounting the projector on the ceiling?
Use only BenQ’s Ceiling Mount Kit and install it securely according to the instructions.