Epson Powerlite 720c Multimedia Projector Users Guide

Using the Projector25
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 26.
■If the image isn’t square, see page 27.
Focusing and Zooming Your Image
Rotate the focus ring to sharpen the image.
Rotate the zoom ring to reduce or enlarge the image.
You can also change the image size by moving the projector closer to 
or farther away from the screen. You can use...

26Using the Projector
Adjusting the Height of Your Image
If the image is too low, you can raise it by extending the projector’s feet. 
1. Stand behind the projector. Press the blue foot release levers and 
lift the front of the projector. This unlocks the feet.
2. Once the image is positioned where you want it, release the levers 
to lock the feet in position.
3. To fine-tune the height of the image, rotate the thumb wheels 
attached to the projector’s feet.
If the image is no longer rectangular after...

Using the Projector27
Adjusting the Image Shape
If the projected image isn’t rectangular or has a “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  , the Auto Keystone feature 
has been disabled. You can correct this by turning on the Auto 
Keystone feature or by manually adjusting...

28Using the Projector
Shutting Down the Projector
When you’ve finished using the projector, follow the recommended 
procedure to shut it down. This extends the life of the lamp and 
protects the projector from possible overheating. 
1. If you’re using a computer, shut it down first.
2. To turn off the projector, press the 
Power button on the 
projector or remote control. You see a confirmation message. (If 
you don’t want to turn it off, press any other button.)
3. Press the 
Power button again. The...

Using the Projector29
5. Replace the lens cap and unplug the power cord.
6. If you’re using a VCR or other video source, turn it off after you 
turn off the projector.
7. Disconnect all equipment, and store the projector in the soft case 
that came with it or in a protective case.
720-730.book  Page 29  Thursday, October 30, 2003  11:32 AM 

30Using the Projector
720-730.book  Page 30  Thursday, October 30, 2003  11:32 AM 

Using the Remote Control31
3
Using the Remote Control
The remote control lets you access your projector’s features from 
anywhere in the room—up to 20 feet away. You can use it to turn 
the projector on and off, zoom in on a portion of your image, and 
control various other features of the projector. 
If you’re using a computer and you’ve connected the mouse cable (as 
described in Chapter 1 or Appendix A), you can use the remote 
control as a wireless mouse.
This chapter covers the following...

32Using the Remote Control
Using the Remote Control
Before using the remote control, pull out the tape from the battery 
tray as shown below.
When using the remote control, stand within 20 feet of the projector. 
Point the remote control either at the front or back of the projector or 
at the screen (the projector’s front sensor can detect signals bounced 
off the screen). Press the button for the function you want to use. See 
the following pages for instructions.
Controlling the Picture and Sound
You...

Using the Remote Control33
Turning Off the Picture and Sound 
You can use the A/V Mute button on the remote control to turn off 
the image and sound and darken your screen. This is useful if you 
want to temporarily re-direct your audience’s attention without the 
distraction of a bright screen.
■To turn off the picture and sound, press the A/V Mute button. 
The screen goes dark.
■To turn the image and sound back on, press the button again.
Stopping Action
You can use the remote control to stop the...

34Using the Remote Control
Using the Remote Control as a Wireless 
Mouse
When you use the remote control as a wireless mouse, you can control 
your computer or click through slideshow-style presentations (such as 
PowerPoint) from up to 20 feet away. This gives you more flexibility, 
since you won’t need to stand near your computer to change slides, for 
example. 
To control your computer with the remote, make sure you have 
connected the mouse cable between the projector and your computer 
as described...