HP Ep7112 Digital Projector Users Guide

Setting up
User’s Guide 21
Connecting an S-video source
Examples: DVD players, VCRs, cable boxes, camcorders, and video gaming 
devices
Requires:
■S-video cable 

22 User’s Guide
Setting up
Connecting a composite-video source
Examples: VCRs, DVD players, audio-video receivers, and video gaming 
devices
Requires:
■Composite-video cable 

Setting up
User’s Guide 23
Connecting a DVI source
The DVI port is available only on certain models.
Examples: Cable boxes, satellite receivers, and some computers
Requires:
■DVI cable 

24 User’s Guide
Setting up
Connecting a SCART source
Examples: VCRs and DVD players
Requires: 
■S-video cable (or composite-video cable if source does not provide S-video 
output)
■S-video-to-SCART adapter (included with certain models) 

Setting up
User’s Guide 25
Connecting a sound system
For best home theater sound, connect the audio output of your video source 
directly to a stereo or surround sound system (connection 
1 in the following 
illustration). Refer to the instructions provided with your video device.
However, in some situations, you might want to use a simpler setup that uses the 
single speaker built into the projector (connection 
2 in the following 
illustration). 

26 User’s Guide
Setting up
Connecting several video sources
If you have several video sources, connect them to an audio/video receiver or 
switch box, then connect the video output from the receiver or switch box to the 
projector using the highest quality connection available. Also connect the audio 
outputs from all sources to the receiver, switch box, or sound system. 

Setting up
User’s Guide 27
Connecting a computer 
If your projector has a DVI port, you can connect a computer to the projector and 
show the computer display on the screen. This requires a DVI-to-VGA adapter 
(included with the projector) and a VGA cable (not provided).
Requires:
■DVI-to-VGA adapter
■VGA cable
See “Showing a computer screen” on page 35.
✎If the computer display does not appear on the projector, you might have to 
press a combination of keys on the computer to turn on the computer’s 
VGA...

28 User’s Guide
Setting up
Turning the projector on and off
Turning the projector on
1. Be sure the power cord is connected.
2. Open the lens by sliding the lens cover 
1 to the left.
3. Press the power button 
2 on the projector or on the remote control. 
The projector takes a minute or so to warm up. The power button blinks 
during warm-up. 
✎It is normal for parts of the projector and the air coming out of the projector 
to be very warm. If the projector starts to overheat, the temperature warning...

Setting up
User’s Guide 29
Turning the projector off
1. Press the power button on the projector or remote control to turn off the 
projector. Do not hold the button down.
The power button blinks during the cool-down period, then the projector 
turns off. Even though the projector is off, it uses a small amount of power 
internally.
2. If you want, disconnect video and audio equipment from the projector during 
the cool-down period or after the power button stops blinking.
Ä
CAUTION: Do not disconnect...

30 User’s Guide
Setting up
Making basic adjustments
This section provides instructions for making basic adjustments to the projector. 
Selecting a source
If the picture from your video source does not appear on the screen, you can 
quickly select the correct source. 
■Press the source button one or more times—until you see the picture or you 
see the name of the video port where the source is connected.
You should also be sure the video source is turned on and playing video.
Aiming the projector
■To...