Casio Projector XJ-A 251 User Manual

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Plug and Play
(USB port 
models only)RCVHDWUNSingle Use this sub-menu to turn plug-and-play*1 on or off.
On*:
Select this option to turn on plug-and-play. This will allow the 
projector detect when an external USB device is connected and 
make that device the input source automatically.
Off:
Select this option to turn off plug-and-play.
USB Audio Out
(USB port 
models only)
RCVHDWUNSingle When playing back a movie file stored on a USB memory device, 
you can select audio output from the projector’s...

42
USB Settings Main Menu (USB Port Models Only)
The USB Settings main menu is available only when there is an external device connected to the USB 
port of the projector. For details, see “USB Function Guide” on the bundled CD-ROM.
Wireless Main Menu (USB Port Models Only)
The Wireless main menu is available only when “Wireless” is selected as the input source on the 
projector. For more information, see the “Wireless Function Guide” on the CD-ROM that comes with 
the projector.
Operational Info Main...

43
Cleaning the Projector
Periodically clean the projector exterior, lens, intake vents, and exhaust vents on a regular basis.
Important!Before cleaning the projector, be sure to unplug it from the power outlet and make sure it is 
cooled down completely.
Wipe the exterior of the projector with a soft cloth that has been moistened in a weak solution of water 
and a mild neutral detergent. Be sure to wring all excess moisture from the cloth before wiping.
Never use benzene, alcohol, thinner, or any other...

44
Troubleshooting
Indicators keep you informed about the current operational status of the projector. The following 
shows what the indicators look like when operation is normal.
When a warning message appears on the projection screen, or when the POWER/STANDBY, LIGHT, 
and TEMP indicators are lit or flashing in a pattern other than those shown above, it means that a 
projector error has occurred. For details, see “Error Indicators and Warning Messages” (below).
Warning messages and indicators let you...

45
POWER : Amber flashingJ 
Amber steadyPower has turned off automatically due to internal overheating. Perform 
the following steps.
1Check for any blocking of the projector’s intake vents and exhaust 
vents, and make sure that there is sufficient space around the 
projector. See 
“Setup Precautions” (page 10).
2If there is dust accumulated around the intake vents and/or exhaust 
vents, remove it. See 
“Cleaning the Projector” (page 43).
If there is no problem with the projector’s vents, confirm that...

46
POWER : Green steady A system problem has occurred, which may cause problems with some 
functions. Turn off the projector, disconnect the power cord from the 
projector and wait for all of the projector’s indicators to go out. Next, 
reconnect the power cord and turn the projector back on.
If the error occurs again when you turn power back on, contact your 
retailer or nearest authorized CASIO Service Center.
Press the [ESC] key to clear the warning message. LIGHT : –
TEMP : –
Message : A system...

47
Check the following items whenever you experience any problem with the projector.
POWER : Amber flashingJ 
Red steadyPower has turned off automatically due to a projector memory error. 
Confirm that the POWER/STANDBY indicator is lit red (without flashing). 
After checking the POWER/STANDBY indicator, disconnect the power 
cord from the projector and wait for all of the projector’s indicators to go 
out. Next, reconnect the power cord and turn projector power back on.
If the error occurs again when...

48
Important!zTry performing the following steps, which may or may not return the projector to normal 
operation.
zIf normal operation does not resume after you perform the above steps, take the projector to 
your retailer or authorized CASIO service center.
No soundzThe projector’s volume level setting may be too low or muted. Press the remote 
controller [VOLUME] key and then use [W] and [X] to adjust the volume level. See 
page 20.
zThe volume level setting of the device connected to the projector is...

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Appendix
When performing an operation on the remote controller, point it at the remote control signal receiver 
on the back or front of the projector. The following illustration shows the range of the remote controller 
signal.
Remote Controller Range
zThe range of the remote controller may be narrower and/or shorter than that shown on the right 
(Back) when there is a special AV cable plugged into the AV terminal on the back of the projector.
zThe allowable distance between the remote controller and...

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The following table shows the relationship between the distance and projected image size.
*h = Height from the center of the lens to the bottom edge of the projection screen.
Important!Note that the distances provided above are for reference only.
Projection Distance and Screen Size
Projection SizeApproximate Projection Distance
XJ-A141/XJ-A146XJ-A241/XJ-A246/XJ-A251/XJ-A256
Screen 
SizeDiagonal
(cm)Minimum 
Distance
(m / feet)Maximum 
Distance
(m / feet)h*Minimum 
Distance
(m / feet)Maximum...