Casio Projector XJ-M251 User Manual

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Option Settings 23 
Closed Caption (V)Use this sub-menu to specify whether to display closed captions when projecting a 
video signal that includes them.
Off*: Closed captions not displayed.
CC1, CC2, CC3, CC4: Indicates the current closed caption output setting (CC1, 
CC2, CC3, and CC4).
NotezKeystone correction does not affect displayed closed caption text.
Option Settings 23 
Timer FunctionDisplay the timer function menu. For details, see “Using the Presentation Timer 
(TIMER)” (page 54).
Option...

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The operations described below can be password protected on the projector. You can have only one 
password assigned to the projector at any time, and the same password is used for operations.
zProjector startup protection
The projector can be configured so a dialog box prompting input of the password is displayed 
whenever the projector is turned on. In this case, further operation of the projector is not possible 
unless the correct password is input. This protects against unauthorized use of the...

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To change the password
1.Press the [MENU] key to display the setup menu.
2.Use the [T] key to select “Option Settings 1”, and then press the [ENTER] key.
3.Use the [T] key to select “Password”, and then press the [ENTER] key.
zThis will display a dialog box prompting you to enter the current password.
4.Enter the current password.
zThe password of your projector is not really a “word” made up of letters, but rather a 
sequence of remote controller key inputs.
zIf the projector is still protected by...

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To change the power on password setting
1.Perform steps 1 through 5 under “To change the password” (page 63) and 
display the Password screen.
2.After confirming that “Power On Password” is selected, use the [W] and [X] keys 
to select either the “On” or “Off” setting.
zChanging the setting from “Off” to “On” will cause the “Prompt for password when power is 
turned on?” dialog box to appear. Press the [ENTER] key to confirm that you want to turn on 
power on password protection, or [ESC] to exit the...

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Control panel lock disables (locks) all of the projectors keys, except for the [P] (Power) key. This limits 
projector operation to the remote controller, which protects against inadvertent mis-operation.
To lock the control panel
1.Press the [MENU] key to display the setup menu.
2.Use the [T] key to select “Option Settings 2”, and then press the [ENTER] key.
3.Use the [T] key to select “Control Panel Lock”.
4.Use the [W] key to select “On”.
5.When the confirmation dialog box appears, press the...

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Cleaning the Projector
Make it a habit to clean the projector at regular intervals as described in this section. 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 volatile agent for...

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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).
Indicators
When the indicators appear...

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Warning messages and indicators let you know what the problem is when a projector error occurs.
zWhen an error occurs, wait until the fan stops before unplugging the AC power cord. If you unplug 
the AC power cord while the fan is still operating, an error may occur when you plug the AC power 
cord back in.
zPress the [ESC] key to clear the warning message.
Error Indicators and Warning Messages
Indicator/Error MessageDescription and Required Action
POWER : Green steady The projector’s internal...

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POWER : Green steady The USB connection or LAN connection was terminated because of a 
problem with the USB port or LAN terminal. Turn off the projector and 
then turn it back on again.
If the error occurs again when you turn power back on, contact your 
retailer or nearest authorized CASIO Service Center. LIGHT : –
TEMP : –
Message : Some problem occurred 
with the USB port or LAN 
terminal.
POWER : Green steady Zoom and focus cannot be performed due to some trouble in the optical 
drive circuit....

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Check the following items whenever you experience any problem with the projector.
Projector Troubleshooting
ProblemCause and Recommended Action
Power does not turn on.zIf the POWER/STANDBY indicator is not lit, the AC power cord is not connected 
correctly. Connect the AC power cord correctly.
zIf the TEMP or LIGHT indicator remains flashing or lit, it means some type of error 
has occurred. See “Error Indicators and Warning Messages” (page 68).
No image is projected or 
the projected image is...