- Laser pointer
- Analog computer input
- Monitor Output
- Microphone input
- Presentation Timer
- Closed Captioning
If you want to hook up an old computer (that doesn’t have HDMI outputs), cheer up, the 7828HDL has an analog computer input that can also double as a component video input. Most folks, though, have HDMI, which has been pretty much standard for at least 5 years. On the other hand, it is even less likely you’ll need a monitor out, which is a feature allowing you to feed the video signal to the projector, but split it and output the info over the monitor out to show it on a desktop monitor. That was standard operating procedure for desktop computers for a couple of decades. At home? Two chances of you using it: Slim and none!
A laser pointer is a nice business/education feature but most home projector makers fear leaving a laser pointer on a remote control that could be within the reach of young folks. I recommend, if you have kids (unless you have a real need for a laser pointer) to put a piece of electrical tape over the laser emitter. Best to just keep the remote away from small kids. In a pinch, if having a laser pointer on the remote still bothers you, buy an inexpensive universal remote control to replace the Viewsonic’s remote control.
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A microphone input, can be a real plus, in conjunction with a small lapel type mic or full wireless microphone transmitter/receiver. At home, I guess there might be a fun application or two, but in a classroom or conference room it allows the speaker to amplify their voice, and control the volume with the Viewsonic’s remote. Great for dealing with addressing more than a few people at a time, or presenting in a noisy environment (some classrooms?)
The Presentation Timer is another Biz/Ed feature, which works as the name suggests. You can start a timer which appears all the time, or only in the last minutes of a timed presentation. You can set it as a count down timer, or a count up one. Bottom line – nice for practicing presentations, not much use though for typical home setups.
The last of the biz/edu features I want to mention, is the Closed Captioning. This will only work, however with traditional “old school” inputs, composite video or S-video such as the outputs available from DVRs and most cable, satellite boxes, and some DVD and Blu-ray players.