Epson Powerlite 70c Multimedia Projector Users Guide

							26Using the Projector
If You’re Using a PowerBook . . .
You may need to set up your system to display on the projector screen 
as well as the LCD screen. Follow these steps:
1. From the Apple menu, select 
Control Panels, then click 
Monitors and Sound.
2. Click the Arrange icon.
3. Drag one monitor icon on top of the other. 
If this option isn’t available, you may need to select one of the 
Simulscan resolution settings. Click the 
Monitor icon, then select a 
Simulscan resolution as shown. (Allow a few seconds for the 
projector to sync up after making the selection.)
Click here
Drag one monitor 
icon on top of 
the other
Click here
Select a 
Simulscan 
resolution 
						

							Using the Projector27
If You’re Using a PC Laptop . . .

Press the function key that lets you display on an external 
monitor. It’s often labelled with an icon such as   but it may 
be labelled 
CRT/LCD. You may have to hold down the Fn key 
while pressing it. Check your laptop’s manual or online help for 
details. 
On most systems, the   or 
CRT/LCD key lets you toggle 
between the LCD screen and the projector, or display on both at 
the same time. Allow a few seconds for the projector to sync up 
after pressing it. 

Depending on your computer’s video card, you might need to use 
the Display utility in the Control Panel to make sure that both the 
LCD screen and external monitor port are enabled. See your 
computer’s documentation or online help for details.

Check your computer’s video resolution and scan frequency to see 
if they are supported, as listed on page 62. You may need to adjust 
your computer’s resolution and scan frequency to match one of 
the modes listed.
Adjusting Your Image
Once you see your image, you’ll need to make certain adjustments:

To focus your image, see below. 

To resize or zoom into your image, see page 28.

To raise or lower the image, see page 29.

If the image isn’t square, see page 30.

If the projected image is flickering or “noisy,” see page 30. 
Focusing Your Image
Rotate the focus ring to sharpen 
the image.
focus 
ring
note
If the image from your 
computer is still out of focus, 
you can increase the clarity by 
pressing the 
Auto button on 
the remote control. This 
optimizes the projector’s 
tracking, sync, and position 
settings. (You can also adjust 
these settings using the 
projector menus; see 
Chapter 3.) 
						

							28Using the Projector
Adjusting the Image Size
You can adjust your image size using the Wide/Tele button on the 
projector or zoom into a portion of the image using the 
E-Zoom 
button on the remote control.
Using the Wide/Tele Button
To enlarge or reduce your image size in small increments, use the 
Wide/Tele button on the projector. Press the T side of the button to 
reduce the image size, or the 
W side of the Wide/Tele button to 
enlarge the image to full size.
Using the E-Zoom Button
If you want to zoom in on a portion of the image, use the E-Zoom 
and Enter buttons on the remote control. Press the + side of the 
E-Zoom button to zoom into your image in small increments. Press 
the 
– side to zoom out.
To position the zoomed image on the screen, press the top, bottom, 
left, or right side of the 
Enter button on the remote control. (Press 
Esc to return your image to its original size and turn off E-Zoom.)
note
You can always move the 
projector closer to or farther 
from the screen to adjust the 
image size.
Wide/Tele button
W
WT
T Enlarge
Reduce
Zoom in 
or out
Adjust 
position 
of zoomed 
portion
Zoom in
Zoom out+
–
E-Zoom button Enter buttontop
right left
bottom 
						

							Using the Projector29
Adjusting the Image Height
If your image is too low, you can raise it by extending the projector’s 
feet.
1. Stand behind the projector. Pull up the blue foot release levers 
and lift the front of the projector. This unlocks the feet.
2. Raise or lower the front of the projector as necessary. 
3. Once the image is positioned where you want it, release the levers 
to lock the feet into position.
4. To fine-tune the height, rotate the feet clockwise to raise the 
projector and counterclockwise to lower it.
caution
To avoid damaging the lens, 
do not lift the projector by the 
lens.
note
If the image shape is not 
square after adjusting its 
position, see the next section 
for a solution.
clockwise 
to raise itcounterclockwise 
to lower it 
						

							30Using the Projector
Adjusting the Image Shape
If the projected image isn’t square 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  , press the + or — side of 
the 
Keystone button to correct the shape of the image. The 
Keystone button corrects up to a 15° tilt. After correction, your 
image will be slightly smaller.
You can also perform electronic keystone correction using the 
projector’s Setting menu. See page 42 for instructions.
Adjusting the Image Quality
You may need to adjust the projector’s Tracking and Sync settings if 
your computer image has any of these quality problems:

Flashing or blurry image

Vertical or horizontal stripes

Only a portion of the image is displayed
See Chapter 3 for instructions on adjusting these settings in the 
projector’s Video menu.
Keystone button
note
If the image is noticeably 
uneven after keystone 
correction, reduce the 
Sharpness setting using the 
Video menu; see page 39 for 
instructions.
note
You can also increase 
computer image clarity by 
pressing the Auto button on 
the remote control to optimize 
the tracking, sync, and 
position settings. Turn off 
E-Zoom and A/VMute before 
using the 
Auto button; see 
page 28 and page 34. 
						

							Using the Projector31
Using the Remote Control
The remote control lets you access projector features from anywhere 
in the room—up to 32 feet away. You must also be within a 30° 
horizontal and a 15° vertical angle of the infrared receiver on the front 
of the projector.
You can use the remote control to turn the projector on and off, zoom 
the image, display the projector menus, and other uses.If you 
connected a mouse cable to the projector, you can also use the remote 
control as a wireless mouse to run your presentation. See page 32 for 
instructions.
Installing the Remote Control Batteries
The remote control operates the projector and lets you access its setup 
menus. You can also use it as a wireless mouse. 
Follow these steps to install the 
batteries:
1. Press the tab to release the battery 
cover and lift it up to remove it.
2. Insert the two AA batteries 
included with the projector 
as shown.
3. Replace the battery cover.
infrared receiver 
for remote control
note
You can aim the remote 
control at your projection 
screen and reflect the signal 
back into the sensor on the 
front of the projector, but this 
shortens the operating 
distance of the remote 
control.
caution
When replacing batteries, 
take the following 
precautions:

Replace batteries as soon 
as they run out. 

Do not mix old and new 
batteries. 

If the batteries leak, wipe 
away battery fluid with a 
soft cloth. If fluid gets on 
your hands, wash them 
immediately.

Remove batteries if you 
will not be using the 
remote for a long period 
of time. 
						

							32Using the Projector
Operating the Projector with the Remote 
Control
1. Push up the R/C switch on the side of the remote control to turn 
it on.
2. Point the remote at the front of the projector or at the screen. 
3. Press the button for the function you want to use. The light next 
to the 
Power button on the remote control flashes briefly. (If 
it doesn’t flash, you may have inserted the batteries incorrectly or 
need to change the batteries; see page 31 for instructions.)
The projector may not respond to remote control commands in these 
conditions:

You are too far away or not within a 30° horizontal or 15° vertical 
angle of the projector’s sensor

The R/C switch on the right side of the remote control is in the 
OFF position (the remote control is turned off)

Batteries are weak

Bright ambient light, fluorescent light, or direct sunlight is 
shining into the remote control sensor

Equipment emitting infrared energy (such as a radiant room 
heater) is nearby and interfering with the sensor
Using the Remote Control as a Wireless Mouse 
Using the remote control as a wireless mouse gives you more 
flexibility; you don’t need to stay near your computer or the projector 
to run your presentation.
To use the remote control as a mouse, you must first connect a mouse 
cable between your computer and the projector. See Chapter 1 for 
instructions.
R/C switch power 
indicator 
light
note
When you connect the mouse 
cable, your computer mouse is 
disabled and you can’t use 
another external mouse with 
your desktop. However, you 
may still be able to use the 
built-in mouse pointer on 
your laptop. 
						

							Using the Projector33
Follow these instructions to use your remote control as a wireless 
mouse:

Aim the remote at the screen or at the receiver on the front of the 
projector. To move the mouse pointer on the screen, press the 
edges of the 
Enter button with your thumb, as you would to 
move a trackball.

To click, press down on the center of the Enter button. To 
double-click, press down twice on the 
Enter button.

To click and drag, press down on the Enter button and then tilt it 
in the direction you want to drag.

To right-click, press the Esc button.

To change slides in a PowerPoint® presentation (in Slide Show 
mode), press down on the 
Enter button.
Controlling Audio and Video
While giving your presentation, you may want to switch between 
picture sources, temporarily turn off or freeze the picture, or adjust the 
volume. 
Make sure you’ve first set up your projector and connected your audio 
or video source as described in Chapter 1.
Switching Between Picture Sources 
You can connect the projector simultaneously to one computer source 
and one video source. Then you can use the buttons on the projector 
or remote control to switch between them.

Press the Source button on the projector to switch between 
computer, S-video, and composite video sources. 

Press the Computer, Video, or S-Video button on the remote 
control to select the source you want to use. 
After you select a source, the screen goes dark for a moment before the 
image appears.
Press center 
to left-click
Press 
here to 
right-click Press edges 
to move the 
pointer
note
If you swapped the mouse 
button functions on your 
computer mouse, the 
Enter 
and 
Esc buttons on the 
remote control also swap 
functions.
Select 
Computer, 
Video, or 
S-Video 
						

							34Using the Projector
Freezing the Picture
You can use the remote control to freeze the current picture on the 
screen.

Press the Freeze button to freeze the current image on the screen. 
The sound will continue. 

Press the Freeze button again to re-start it.
Turning Off the Picture and Sound
You can use the A/VMute button on the remote control to turn off 
the image and sound. This is lets you temporarily re-direct your 
audience’s attention without the distraction of a bright screen.

To turn off the picture, press the A/VMute button. The screen 
goes dark.

To turn the image back on, press the A/VMute button again.
You can change the color of the blank screen displayed while 
A/VMute is on using the Setting menu; see page 38 for instructions.
Adjusting Sound Volume
Using the remote control, you can adjust the volume of your video or 
computer sounds. 

To increase the volume, press on the right (+) side of the Volume 
button.

To decrease the volume, press on the left (–) side of the Volume 
button.
Adjust 
volume Freeze 
picture
Turn off 
picture 
and 
sound 
						

							Using the Projector35
Highlighting Your Presentation
The projector’s highlighting tools let you emphasize areas on the 
screen using the numbered buttons on the remote control. This is 
useful for annotating your presentation slides or calling attention to 
their most important points. These tools are available:

Arrow or cursor stamp (button 1)

Horizontal bar (button 2)
You can use the Effect menu to customize the highlighting tools. See 
page 41 for instructions.
Using the Cursor/Stamp Arrow
You can use the cursor stamp tool as a pointer and place cursor stamps 
anywhere on your screen. 
1. To activate the cursor stamp, press the 
1 button on the remote 
control. A  icon appears on the screen. 
2. Press the side of the 
Enter button to move the pointer wherever 
you want it.
3. To “paste” the pointer on the screen, press down in the center of 
the 
Enter button. You can then continue to move another pointer 
around the screen and paste it wherever you want.
4. To erase the pointers pasted on the screen, press the 
3 button.
5. To cancel the cursor stamp feature, press the 
Esc button.
Drawing a Horizontal Bar
You can place a horizontal bar on the screen and move it up or down 
to highlight your presentation points. 
1. To activate the bar tool, press the 
2 button on the remote control. 
A magenta horizontal bar appears in the middle of the screen. 
2. Press the top or bottom of the 
Enter button to move the bar up or 
down the screen.
3. To erase the bar from the screen, press the 
Esc button.
Cursor 
stamp
Horz. 
bar
Move 
bar or 
cursor
note
You can use the projector’s 
Effect menu to select a 
different cursor stamp shape 
and size. See page 41 for 
instructions.
note
You can change the width 
and color of the bar using the 
projector’s Effect menu. See 
page 41 for instructions.