Yamaha LPX-510 Manuale Utente

Pagina di 83
45
T
roub
leshooting
When the Indicators Provide No Help
 The message "Not Supported." is displayed
The message "No Signal." is displayed
 Images are fuzzy or out of focus
Are the image signal format settings 
correct?
When a composite video  or S-Video  signal is being input.
If images cannot be projected even when the "Video Signal" menu 
command is set to "Auto", change the setting to the signal format 
for the connected equipment. 
"Setup" - "Input Signal" - "Video Signal" (p.36)
If connected to the INPUT A or INPUT B port
Check that the connectors of the connection cable are inserted into 
the correct ports. (Setup Guide)
Does the mode match the frequency and 
resolution of the image signals?
Use the "Resolution" menu command to check the image signals 
being input, and check that the resolution appears in "List of 
Supported Signal Resolutions".
"
Info
" - "
Resolution
"
 (p.29)
"List of Supported Signal Resolutions" (p.59)
Are the cables connected correctly?
Check that all of the cables required for projection are securely 
connected. (Setup Guide)
Has the correct video input port been 
selected?
Use the 
 or 
 button on the 
remote control or the [INPUT] button on the projector's control 
panel to select the image source. (p.7)
Is the power for the connected 
equipment turned on?
Turn the power on for the devices.
Are the image signals being output to 
the projector?
If the image signals are only being output to the computer's LCD 
monitor or to the accessory monitor, you need to change the 
output. For some computer models, when the image signals are 
output externally, they no longer appear on the LCD monitor or 
accessory monitor.
Computer documentation, under a title such as "External output" 
or "Connecting an external monitor"
If the connection is made while the power is already turned on, the 
function [Fn] key that switches the computer's video signal to 
external output may not work. Turn the power for the projector 
and the computer off and then back on again. (p.8)
Has the focus been adjusted correctly?
Adjust the focus. (p.16)
Is the lens cap still attached?
Remove the lens cap.
Is the projector at the optimum distance?
The recommended distance from the projector to the screen is 
within 87–1365 cm (2.9–44.8 ft.) for a screen size of 16:9, and 
108–1672 cm (3.6–54.9 ft.) for a screen size of 4:3. Set up the 
projector so that the projection distance is within this range.
(Setup Guide)
Is the keystone adjustment value too 
large?
Decrease the projection angle to reduce the amount of keystone 
correction. (p.13)
Has condensation formed on the lens?
If the projector is suddenly taken from a cold environment to a 
warm environment or if sudden ambient temperature changes 
occur, condensation may form on the surface of the lens, and this 
may cause the images to appear fuzzy. Set the projector up in the 
room approximately one hour before it is to be used. If 
condensation forms, disconnect the power cord and let the 
projector stand for a while.
Only when projecting 
computer images
D4
A
B
HDMI
S VIDEO
VIDEO
Only when projecting images 
from a laptop computer or 
computer with a built-in LCD 
screen