Troubleshooting Matrix - Focus TView PresoCard User Manual

FOCUS Enhancements TView PresoCard User's Manual
TROUBLESHOOTING
Problem Reason
My TV shows a distorted Your computer is not
signal that I know is the sending a 640x480@60Hz
computer, but it is flipping signal.
around like crazy (or is
showing a blue screen)
My PC is showing only 16 You need to experiment
colors, and the display with video drivers.
looks worse on the
computer monitor.
I use a Laptop PC, and the Your VGA port needs to be
internal display is fine but activated.
the TV is distorted (or
blank).
My TV has the computer This condition is called
screen on it, but the edges Overscan. Your television
are overflowing. How can can only display a resolu-
I fix this? tion of about 608x432 with
standard Video
Converters.
24
Windows 95 Windows 3.x
Open the Control Panel, Use the Windows Setup
then the Display Icon. program (located in the
Click the Settings Tab. Main Program Group) to
Click Change Display specify your Display
Type, and make sure that Driver.
your Display type is set to
VGA Standard 640x480. Recommended Windows
3.1 drivers include: Super
If the signal is still distort- VGA 640x480, VGA 3.0,
ed, repeat the previous GD5434 640x480x256, and
steps and set the Adapter GD5434 640x480x64K.
Type to Standard VGA.
Check your system specifi- See above.
cations to determine what
kind of Video Card is
installed in your PC, and
see the question above for
instructions on changing
your Adapter Type.
You should use the CRT See left.
Activation key combina-
tion specific to your com-
puter. Most Laptop com-
puters have an "F" key
(such as F1, F6, F12 - each
model is different) with
"CRT" marked on the side
facing you. Others have
an icon of a monitor. Find
this key and press it in
combination with the "Fn"
key to activate the CRT
output of your Laptop. If
you cannot find the CRT
Activation F-key on your
Laptop, consult your
Laptop manual for more
information about connect-
ing an external (CRT) mon-
itor.
If your Video Converter See left.
has the FOCUS Hardware
Compression button
(Usually marked
"Compress" and only
available on certain mod-
els - check your manual),
you can fit 800x600 or up
to 1024x768 on your TV.
Continued
Macintosh 7.x
Open the Monitors
Control Panel, click
Options, and select
640x480@60Hz (VGA).
Open the Monitors Control
Panel and select a higher
number of colors.
If your Powerbook is
showing a desktop pattern
on the TV, you need to
turn on Video Mirroring.
Use the PowerBook
Display control panel to
turn on Video Mirroring.
If you do not have the
Hardware Compression
feature, Macintosh Screen
Squeeze software is avail-
able for free on our web-
site, at www.focusinfo.com