This user guide contains important information on installing and using your product in a safe manner, as well as registering your product for future service. Warranty information contained in this User Guide will describe your limited coverage from ViewSonic Corporation
This guide explains how to install, power on, and use the ViewSonic PGD-250 active 3D glasses with DLP Link projectors or compatible TVs. It covers system requirements, operating instructions, battery management, and accessories such as the USB charging cable and cleaning wipe.
Safety warnings, regulatory compliance (FCC, CE, RoHS) and warranty information are also included, along with a worldwide customer‑support contact list for service and technical assistance.
| Battery life (active mode) | ≈ 50 hours |
|---|---|
| Charging time | ≈ 2 hours |
| Effective operating distance | up to 12 m (suggested 10 m) |
| Power‑on LED indication | Red LED blinks 10 times quickly |
| Auto‑off after no signal | 30 seconds |
Press the power button once to turn on (the red LED blinks 10 times quickly) and press it again to turn off (the LED blinks 5 times).
The built‑in lithium‑polymer battery provides about 50 hours of active use and reaches a full charge in roughly 2 hours.
The glasses work up to 12 metres, with a recommended viewing distance of around 10 metres for optimal 3D effect.