Photon Life PK31 - Projector OPTOMA - Free user manual and instructions
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| Product type | Pocket projector |
| Brand | OPTOMA |
| Model | Photon Life PK31 |
| Display technology | DLP |
| Light source | LED |
| Native resolution | 854 x 480 pixels |
| Brightness | 50 lumens |
| Contrast ratio | 2000:1 |
| Lamp life | 20 000 hours |
| Power supply | Rechargeable Lithium-ion battery, 5V DC |
| Battery life | Approximately 2 hours |
| Dimensions (L x W x H) | 125 x 55 x 23 mm |
| Weight | 140 g |
| Connectivity | HDMI, USB, AV input |
| Built-in speaker | 1 x 1 W |
| Tripod mount | Yes (standard screw thread) |
| Cleaning | Clean the lens with a soft, lint-free cloth |
| Operating temperature | 5°C to 40°C |
| Package contents | Projector, USB cable, power adapter, carrying case, manual |
Frequently Asked Questions - Photon Life PK31 OPTOMA
How to connect my smartphone to the PK31 projector?
Use an MHL adapter cable or a wireless HDMI adapter (sold separately). The projector has an HDMI and USB input. For older models, a composite AV cable can be used.
What is the battery life?
Battery life is approximately 2 hours of continuous use. The battery charges via the micro-USB port with the included charger.
Can the projector be mounted on a tripod?
Yes, the PK31 has a standard screw thread (1/4 inch) on the bottom to attach it to a camera tripod.
How to clean the lens?
Use a soft, dry, lint-free cloth. Avoid chemicals. If necessary, lightly dampen the cloth with distilled water.
Can the projector be used while charging?
Yes, you can use the projector plugged into the mains while charging the battery simultaneously.
What resolutions are supported?
The native resolution is 854x480 (WVGA). The projector accepts signals up to 1080p via HDMI, but they will be scaled to the native resolution.
How to adjust the focus?
Turn the focus ring located on the side of the lens until you get a sharp image.
Does the projector have a speaker?
Yes, it has a built-in 1 watt mono speaker for basic sound. For a better experience, use external speakers via the audio output.
What to do if the image is too dark?
Check the brightness settings in the menu. Also make sure the room is dark. The projector is designed for use in darkness or low light.
How to update the firmware?
Connect the projector to a computer via USB and download the update from the OPTOMA website. Follow the instructions in the downloaded file.
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