Epson Powerlite 821p Multimedia Projector Users Guide

Projecting41
Adjusting the Volume
You can use the buttons on the remote control or projector to increase 
or decrease the volume for the projector’s built-in speaker or external 
speakers connected to the projector. Press the   button to increase 
the volume, or the   button to decrease it. A volume gauge appears 
on the screen while the volume is being adjusted.
Shutting Down the Projector
When you’ve finished using the projector, follow the recommended 
procedure to shut it down. This extends the life...

42Projecting3. Press the P 
Power button again. The lamp turns off, and the 
Power light flashes orange for about 20 seconds as the projector 
cools down. When the projector has cooled, it beeps twice to 
indicate that power is off. The 
Power light stays orange and the 
exhaust fan shuts off.
If you want to turn the projector on again, wait until the orange 
light stops flashing. Then press the P 
Power button.
4. Press up on the blue foot release lever and lower the projector to 
retract the front...

43
13
Using the Remote Control
The remote control lets you access your projector’s features from 
anywhere in the room—up to 20 feet away. For example, you can turn 
the projector on and off, freeze the presentation, zoom in on a portion 
of your image, and access the menu system. (The projector menus let 
you adjust many projector settings; see Chapter 4.)
If you’re using a computer and you’ve connected the mouse cable 
as described in Chapter 1, you can use the remote control as a wireless 
mouse.
When...

44Using the Remote Control
Controlling the Picture and Sound
You can use the remote control to select your source, temporarily turn 
off the picture and sound, freeze the action, or zoom in on the picture. 
Make sure you have set up your projector and connected any 
equipment as described in Chapter 1.
Switching Between Picture Sources
If you’ve connected your projector to more than one computer and/or 
video source, you can use the buttons on the remote control to switch 
between the different sources....

Using the Remote Control45
Turning Off the Picture and Sound
Press 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, or 
press 
Esc.
You can create an image, such as a company logo or a...

46Using the Remote Control4. While the image is enlarged, you can:
■Use the   pointer button to pan about.
■Press the E-Zoombutton to zoom out. 
5. When you’re done, press the 
ESC button to return to the original 
size.
Changing the Image’s Aspect Ratio
If you’re projecting a widescreen format image, you can use the 
Resize button on the remote control to change the aspect ratio. 
Follow these steps:
1. Press the 
Resize button once to change the aspect ratio to 16:9 
for widescreen format.
2. Press it...

Using the Remote Control47
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 don’t need to stand near your computer to change slides. 
To control your computer with the remote, make sure you have 
connected the USB cable as described on page 19. 
■To display the mouse pointer, press the...

48Using the Remote Control
Replacing the Batteries
The remote control uses two AAA alkaline batteries. Follow these 
steps when you need to replace them:
1. Press in the tab to remove the battery cover.
2. Remove the old batteries, then insert the new ones as shown.
3. Replace the battery cover. (It should click into place.)
caution
When replacing batteries, 
take the following 
precautions:
■Replace the batteries as 
soon as they run out. If a 
battery leaks, wipe away 
battery fluid with a soft cloth....

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433
Fine-tuning the Projector 
You can use the Menu button on the projector or remote control to 
access on-screen menus to adjust the image, sound, and other features. 
This chapter covers the following information:
■Using the menu system
■Adjusting image colors and clarity
■Adjusting the input signal
■Customizing projector features
■Selecting projector setup options
■Viewing lamp usage and other information
■Using the projector’s security features
■Restoring the default settings 

50Fine-tuning the Projector
Using the Projector’s Menu System
The six projector menus let you adjust and customize the projector 
features:
■The Image menu lets you modify the colors of the projected 
image and fine-tune brightness, contrast, and sharpness.
■The Signal menu lets you make adjustments to the input signal. 
You can select your input source, change the image position and 
aspect ratio, and adjust tracking and sync for computer images.
■The Setting menu lets you customize the way you use the...