Compaq IPAQ Microportable Projector MP4800 Users Guide

Compaq iPAQ Microportable Projector MP4800 User’s Guide8–1
8
Troubleshooting
Troubleshooting
Problem Solutions
Image does not appear on the 
projection screen 1. Make sure the projector is 
powered on.
2. Ensure the lens cap has been 
removed.
3. Press the 
Standby button again.
4. Ensure that the power cable is 
securely connected.
5. Ensure the pins on the connectors 
are not crooked or broken.
6. Turn off or disable the notebook or 
desktop computer screen saver 
function.
7. Ensure the projector lamp...

8–2Compaq iPAQ Microportable Projector MP4800 User’s Guide
Troubleshooting
Scrolling, cut-off, or incorrect 
image displayed1. Press the Resync button.
2. Turn everything off, then power on 
the projector first and power on the 
notebook or desktop computer 
second.
3. If the above steps do not correct the 
display image, adjust the resolution 
of the notebook or desktop 
computer to 1024 x 768.
4. Access the OSD and ensure the 
Zoom mode is set to 1. For more 
information on using the OSD, refer 
to...

Troubleshooting
Compaq iPAQ Microportable Projector MP4800 User’s Guide8–3
Notebook computer or iPAQ 
Pocket PC screen is not displaying 
the presentationNotebook computer:
Most notebook computers have a 
monitor loop-through or simultaneous 
viewing function. Press the 
Fn + F4 
function keys on the notebook computer 
to switch the image from the notebook 
screen to the projection screen or to 
toggle through the following three 
options:
1. LCD: Output displays only on the 
notebook screen.
2. CRT:...

8–4Compaq iPAQ Microportable Projector MP4800 User’s Guide
Troubleshooting
Image is out of focus 1. Adjust the Focus Ring on the 
projection lens.
2. Make sure the projection screen is 
within the required distance (3.7 to 
40.7 feet, 1.1 to 12.4 meters) from 
the projector.
3. Check the projection lens to see if it 
needs cleaning. Follow the 
“Cleaning the Lens” procedures in 
Chapter 7 to clean the lens.
Projected colors do not match 
computer or camcorder color1. Adjust the Brightness, Contrast, or...

Troubleshooting
Compaq iPAQ Microportable Projector MP4800 User’s Guide8–5
Only the Compaq startup screen 
displays1. Check that the cables are 
connected securely.
2. Verify that the proper input source 
is connected.
3. Make sure your notebook 
computer’s external video port is 
activated.
A blue screen displays on the 
projection screen when a 
videocassette recorder, DVD 
player, or other video source is 
connected to the projector1. Check the Play or TV/Video buttons 
on the video source.
2. If that...

8–6Compaq iPAQ Microportable Projector MP4800 User’s Guide
Troubleshooting
Lamp burns out or makes a 
popping soundWhen the lamp reaches its end of life, it 
will burn out and may make a loud 
popping sound. If this happens, the 
projector will not turn back on until the 
lamp module has been replaced. 
Contact your local Compaq authorized 
dealer, seller, or reseller to purchase a 
replacement lamp module. To replace 
the lamp, follow the procedures in the 
“Replacing the Projector Lamp Module” 
section...

Troubleshooting
Compaq iPAQ Microportable Projector MP4800 User’s Guide8–7
Remote control does not operate 1. Ensure the remote control is 
pointed at the sensor and is within 
21.0 feet (6.4 meters) of the 
projector.
2. The two AAA batteries may need to 
be replaced.
3. Verify that the batteries are 
installed properly.
Remote mouse does not operate 
computerMake sure the USB cable is connected 
to both the computer and the projector.
Compatibility issues with 
equipment attached to the...

8–8Compaq iPAQ Microportable Projector MP4800 User’s Guide
Troubleshooting
The image is upside down or a 
mirror image is displayedThe projector has been set for operation 
in rear screen mode or ceiling mount 
mode. To display the image properly, 
access the on-screen display menu, 
select Image Control, select Flip Image, 
then restore the displayed image to the 
correct setting. Refer to Chapter 3, 
“Using the On-Screen Display Menu” for 
more information.
The desired source is not displayed Press the...

Compaq iPAQ Microportable Projector MP4800 User’s GuideA–1
A
Agency Regulatory Notices
Federal Communications Commission 
Notice
This equipment has been tested and found to comply with the 
limits for a Class B digital device, pursuant to Part 15 of the 
FCC Rules. These limits are designed to provide reasonable 
protection against harmful interference in a residential 
installation. This equipment generates, uses, and can radiate radio 
frequency energy and, if not installed and used in accordance 
with...

A–2Compaq iPAQ Microportable Projector MP4800 User’s Guide
Agency Regulatory Notices
Modifications
The FCC requires the user to be notified that if any changes or 
modifications are made to this device, not expressly approved by 
Compaq Computer Corporation, this may void the user’s 
authority to operate the equipment.
Cables
Connections to this device must be made with shielded cables 
with metallic RFI/EMI connector hoods to maintain compliance 
with FCC Rules and Regulations.
Declaration of Conformity...