Epson Powerlite 83c Multimedia Projector Users Guide

Setting Up the Projector31
Connecting External Speakers
You can output sound to external speakers with built-in amplifiers. 
When you play sound through external speakers, the projector’s 
built-in speaker system is disabled.
1. Locate the appropriate cable to connect your speakers. 
Depending on your speakers, you may be able to use a 
commercially available audio cable with a stereo mini-jack 
connector on one end and pin jacks on the other end. For some 
speakers, you may have to purchase a special...

32Setting Up the Projector 

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2
Projecting
Once you’ve set up the projector, you’re ready to turn it on, adjust 
the image, and give your presentation. 
Although you can operate the projector without it, the remote control 
lets you use additional features. See Chapter 3 for instructions on 
using the remote. This chapter covers the following:
■Turning on the projector and other equipment
■Adjusting the image
■Adjusting the volume
■Shutting down the projector 

34Projecting
Turning On Your Equipment
Make sure your projector and other equipment are set up and 
connected correctly, as described in Chapter 1. Then turn on your 
projector, as described below.
If you turn on your connected computer or video equipment before 
starting the projector, the projector automatically detects and displays 
the image source. If you turn on the projector first, or have multiple 
pieces of connected equipment, you may have to select the image 
source manually. See page 36....

Projecting35
3. Connect the other end to an electrical outlet. The PPower light 
on top of the projector turns orange, indicating that the projector 
is receiving power but not yet turned on. 
4. Turn on your computer or video source if you have not already. 
5. Press the P 
Power button on the projector or on the remote 
control to turn it on. 
The projector beeps and the P
Power light flashes green as the 
projector warms up. The projector lamp comes on in about 
5seconds and the P
Power light stays...

36Projecting
Selecting the Image Source
Selecting the image source lets you switch between images input from 
different pieces of equipment connected to the projector (such as a 
computer and DVD player). If you don’t see the image you want, 
press the 
Source Search button on the remote control or projector 
until the correct device image is projected. If a projected image fails to 
appear, see the next section for help.
Once you see your image, turn to page 38 for instructions on focusing 
and making...

Projecting37
■If you’re projecting from a laptop, and you don’t see the same 
image on the projection screen and computer screen, check your 
monitor settings to make sure both the LCD screen and the 
external monitor port are enabled. 
From the Control Panel, open the 
Display utility. Click the 
Settings tab, then click Advanced. The method for adjusting 
the settings varies by brand; you may need to click a 
Monitor tab, 
then make sure the external Monitor port is set as your primary 
display and/or...

38Projecting
Adjusting the Image
Once you see your image, you’ll need to make certain adjustments:
■To focus or zoom your image, see below.
■If the image is too high or too low, you can reposition it. 
See page 39.
■If the image isn’t square, see page 40.
■To adjust image brightness, see page 40.
■If a computer image displays incorrectly, see page 41.
You can make many other adjustments to the image—such as 
changing the brightness, contrast, and aspect ratio—using the 
projector’s menu system. See...

Projecting39
Adjusting the Height of Your Image
If the image is too high or low, you can correct it by adjusting the 
projector’s front foot.
 
1. Stand behind the projector. Press up on the blue foot release lever 
and lift the front of the projector to extend the front adjustable 
foot.
2. Once the image is positioned where you want, release the lever to 
lock the foot in position.
The projector automatically corrects images that are distorted when 
the projector is tilted up or down (up to a 30°...

40Projecting
Adjusting the Image Shape
If the projector is tilted up or down, the images that are displayed will 
be distorted. To correct the distortion or “keystone” shape, do one or 
more of the following:
■If your image looks like   or  , you’ve placed the projector 
off to one side of the screen, at an angle. Move it directly in front 
of the center of the screen, facing the screen squarely.
■If your image looks like   or  , you need to adjust the 
keystone correction value. Press the   or   buttons...