Casio Projector XJ-M251 User Manual

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To change the aspect ratio of the projected image (ASPECT)
Press the [ASPECT] key to cycle through the aspect ratio settings for the projected image.
Available settings depend on your projector model as shown below.
XJ-A242/XJ-A247/XJ-A252/XJ-A257/XJ-M241/XJ-M246/XJ-M251/XJ-M256
Pressing the [ASPECT] key will cycle through settings in accordance with the current input source as 
shown below.
XJ-A142/XJ-A147/XJ-M141/XJ-M146/XJ-M151/XJ-M156
Pressing the [ASPECT] key will cycle through settings in accordance with the current input source as 
shown below.
Description of Each Setting
NotezFor details about how the aspect ratio setting affects the projected image, see “Aspect Ratio 
Setting and Projection Image” (page 78).
zWhen projecting while “True” is selected as the aspect ratio setting for an RGB signal with a 
resolution that is less than SVGA, the image is enlarged to SVGA and projected.
zYou can also change the aspect ratio using the Setup Menu “Screen Settings 3 Aspect 
Ratio” setting (page 58).
Important!zNote that enlarging or reducing the size of an image using the [ASPECT] key for commercial 
purposes or public presentation may infringe on the legally protected copyright of the 
copyright holder of the original material.
Input SourcePressing the [ASPECT] key will cycle through these settings:
Video, Component, HDMI (DTV) Normal J 16:9 J 4:3 J Letter Box
RGB, HDMI (PC) Normal J Full J 16:9 J 4:3 J True
Input SourcePressing the [ASPECT] key will toggle between these settings:
Video, Component, HDMI (DTV) Normal J 16:9 J 4:3
RGB, HDMI (PC) Normal J Full J 16:9
Normal: Projects at the projector’s maximum possible size while maintaining the input signal aspect 
ratio.
Full: Projects at the projector’s maximum possible size by enlarging or reducing the input signal.
16:9: This setting specifies a 16:9 aspect ratio, which is the same as a movie screen, high-definition 
TV, etc. Using this setting when the input signal is a 16:9 image that has been squeezed to a 
4:3 image causes the image to be displayed with its normal 16:9 aspect ratio.
4:3: Regardless of the input signal aspect ratio, the image is always resized to an aspect ratio of 
4:3 for projection.
True: Projects the input signal at its actual size (1 input source dot equal to one projector output 
pixel dot) in the center of the projector’s projection screen. If the input signal resolution 
exceeds the projector’s output resolution, the excess is cut off.
Letter Box: This will resize the image horizontally to 1280 dots and project 800 vertical dots of the 
center of the image, maintaining the aspect ratio of the input signal. 
						

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To adjust image brightness (FUNC)
1.Press the [FUNC] key. On the menu that appears, select “Brightness” and then 
press the [ENTER] key.
2.On the brightness adjustment screen that appears, use the [W] and [X] keys to 
adjust brightness.
3.To hide the window, press the [ESC] key.
To change the color mode (FUNC)
1.Press the [FUNC] key. On the menu that appears, select “Color Mode” and then 
press the [ENTER] key.
zThis displays the color mode selection window. The currently selected color mode is the one 
whose button is selected (filled in).
2.Use the [T] and [S] keys to move the highlighting to the color mode you want to 
select, and then press the [ENTER] key.
zThis will select the button next to the highlighted color mode name.
zFor details on what each color mode does, see “Image Adjustment 1 3 Color Mode” (page 
58).
3.To hide the window, press the [ESC] key.
Important!zThe color mode cannot be selected in the following cases.
• When “Off” is selected for the Eco Mode setting (page 53) 
						

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The following three Eco Mode settings are available to specify whether priority should be given to 
low-power, low-noise operation or to projection brightness.
Important!zWhile “On (Auto)” is selected as the Eco Mode setting, make sure that the brightness sensor 
on the top of the projector is not blocked by anything.
zThe local environment and setup conditions affect the brightness sensor, so operation when 
“On (Auto)” is selected for the Eco Mode depends on these factors.
To select the Eco Mode
1.Press the [ECO] key.
zThis causes “Eco Mode” window to appear on the projection screen.
2.Use the [W] and [X] keys to select the setting you want.
zIf you select “On (Manual)” here, go to step 3. If you select another setting, jump to step 4.
3.Perform the following steps to adjust the “Eco Level” (the balance between 
low-power, quiet operation and projection brightness).
4.To hide the window, press the [ESC] key.
NotezWhile “Off” is selected for the Eco Mode setting, you also can specify whether brightness or 
color should be given emphasis. For details, see “Image Adjustment 1 3 Eco Off Mode” 
(page 58).
Important!zThe Eco Mode level is fixed whenever the projector is in the 3D input mode (“3D Input Mode 
(XJ-M Series Only)”, page 16). Because of this the Eco Mode setting cannot be changed.
Eco Mode (ECO)
On (Auto): A brightness sensor on the top of the projector senses surrounding light, and 
automatically adjusts projection brightness and color accordingly. Brightness is 
reduced for darker surroundings, which saves power and reduces operation noise.
On (Manual): Enables manual adjustment to balance the needs of low-power, quiet operation and 
projection brightness.
Off: Give top priority to projection brightness.
1Press the [T] key to move the highlighting to the Eco Level.
2Use the [W] and [X] keys to adjust the Eco Level to the setting you want.
Fewer   marks gives higher priority to projection brightness. A greater number gives high 
priority to low-power, quiet operation. 
						

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The presentation timer shows a countdown from a preset time value. You can use it to keep track of 
how much time has elapsed during your presentation, and to limit a presentation to a preset amount of 
time. You can configure the presentation timer so it is displayed in the projected image.
To display the timer
When the timer is not displayed on the projected image, press the [TIMER] key once.
The timer will appear for about five seconds and then disappear automatically if the “Off” is selected 
for the “Continuous Display” setting on the timer function menu.
To display the timer function menu
When the timer is not displayed on the projected image, press the [TIMER] key twice. If the timer is 
displayed, press the [TIMER] key once.
Use this menu to start, pause, resume, and reset the timer, and to configure various timer settings.
Using the Presentation Timer (TIMER) 
						

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To configure timer settings
1.Use the [TIMER] key to display the timer function menu.
2.Use the [T] and [S] keys to select the “Position”, “Continuous Display”, or “Start 
Time” setting and then change the settings as described in the table below.
3.To save your settings and close the timer function menu, press [ESC].
zTo start the timer immediately after changing its settings, use [T] and [S] to select “Start 
Timer” on the timer function menu and then press the [ENTER] key before pressing [ESC] in 
the step above.
To start a countdown timer operation
1.Use the [TIMER] key to display the timer function menu.
2.Select “Start Timer” and then press the [ENTER] key.
zThis will close the timer function menu and start the timer countdown.
zAfter the countdown reaches 00:00, it will start a 60-minute count up operation (from –00:01 to 
–60:00). The numerals of the timer display are red (indicating that the presentation is over time) 
during a count up operation.
To do this:Perform this operation:
Reposition the timer on the 
projected imageSelect “Position”, and then use the [
W] and [
X] keys to select one of the 
following settings: “Lower Right”, “Upper Right”, “Upper Left”, “Lower Left” 
(Initial default: Lower Right).
Enable or disable 
continuous display of the 
timerSelect “Continuous Display”, and then use the [
W] and [
X] keys to select either 
“On” or “Off” (Initial default: Off).
On: Once the timer is displayed, it remains displayed until you display a 
different dialog box or you press the [ESC] key.
Off: The timer automatically disappears about five seconds after it is 
displayed.
Specify the timer 
countdown start timeSelect “Start Time”, and then use the [
W] and [
X] keys to specify the 
countdown start time you want.
You can set a start time from five to 60 minutes, in five-minute steps (Initial 
default: 20 minutes). 
						

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To pause the timer countdown
1.Use the [TIMER] key to display the timer function menu.
2.Select “Pause Timer” and then press the [ENTER] key.
To resume a paused timer countdown
1.Use the [TIMER] key to display the timer function menu.
2.Select “Restart Timer” and then press the [ENTER] key.
To reset the timer to its start time
1.Use the [TIMER] key to display the timer function menu.
2.Select “Reset Timer” and then press the [ENTER] key.
zThis will reset the time to the “Start Time” setting. 
						

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Pressing the [MENU] key displays the Setup Menu shown below on the projection screen. You can 
use this menu to adjust projected image brightness, contrast, and other settings, and to change 
projector settings.
The guidance shows the key operations that can be performed for the currently selected (highlighted) 
menu item.
Basic Setup Menu Operations
Setup Menu Settings
zOne or more letters (such as RCV) after the menu item name indicates an item that is available only 
when one or more particular input source is selected. The letters indicate the input source(s) where 
the menu item is available.
R: RGB input, C: Component input, V: S-video input*
1 or Video input, H: HDMI (PC) input, 
D: HDMI (DTV) input, F: File Viewer, T: CASIO USB Tool, W: Wireless*2 or Network*1, 
U: USB Display
zA menu item that does not have any letter after it will be available regardless of the input source.
z after a menu item indicates the item is available only for USB models.
zThe initial default setting is indicated by an asterisk (*).
Using the Setup Menu (MENU)
To do this:Perform this operation:
Display the Setup Menu
Exit the Setup MenuPress the [MENU] key. Pressing the [MENU] key to exit the Setup Menu will save the 
settings you configured while it was displayed.
Select a menu item Use the [S] and [T] keys to move the highlighting to the menu that contains the menu 
item you want to select and then press the [ENTER] key. Next, use the [S] and [T] 
keys to move the highlighting to the menu item you want to select.
Configure the setting of a 
menu itemzIf a menu item that has options or setting values to the right, use the [
W] and [
X] 
keys to change the setting.
zFor a menu item that has “Modify [ENTER]” or “OK [ENTER]” to the right, press the 
[ENTER] key to display a dialog box for configuring the setting.
*1 XJ-M Series only*2XJ-A Series only
Use this menu item:To do this:
Image Adjustment 13 
BrightnessAdjust projected image brightness.
Image Adjustment 13 
ContrastAdjust projected image contrast.
Image Adjustment 1 3 
Sharpness (V)Use this sub-menu to adjust the sharpness of the outlines in the projected image. A 
larger value makes the image sharper, while a smaller value makes it softer.
Menu Items
(Main Menu)
HighlightingMenu Item
(Sub-menu)
Guidance 
						

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Image Adjustment 1 3 
Saturation (V)Use this sub-menu to adjust the color saturation of the projected image. A larger 
value increases color saturation.
Image Adjustment 1 3 
Tint (V)Use this sub-menu to adjust the tint of the projected image. 
A larger value makes the overall image more bluish, while a smaller value makes the 
overall image more reddish. This setting is supported only when the signal is NTSC 
or NTSC4.43.
Image Adjustment 13 
Color ModeSelect one of the following projected image color modes: “Standard*”, “Graphics”, 
“Theater”, “Blackboard”, “Game”.
Image Adjustment 13 
Color BalanceSelect one of the following color balance presets: “Warm”, “Normal*”, “Cold”.
Also can be used to separately adjust red, green, and blue.
Image Adjustment 13 
Eco Off ModeWhen “Off” is selected for the “Option Settings 1 3 Eco Mode” setting, specify 
either “Bright” (brightness priority) or “Normal*” (hue priority) as the image quality 
setting.
Image Adjustment 13 
Restore Menu DefaultsReturn all of the items in the “Image Adjustment 1” main menu to their initial defaults 
for the currently projecting image source.
Image Adjustment 23 
Vertical Position (RCV)Adjust the vertical and horizontal positions of the input source image in relation to 
the target screen.
Image Adjustment 23 
Horizontal Position (RCV)
Image Adjustment 23 
Frequency (R)When vertical bands appear in the projected image while RGB is selected as the 
input source, it means that the frequency setting is not correct. When this happens, 
use this setting to adjust the frequency manually. If, for some reason, your manual 
frequency settings cause the image input from the computer to disappear from the 
projection, you can press the [AUTO] key to perform an auto adjust operation, which 
should cause the image to appear.
Image Adjustment 23 
Phase (R)Adjust the phase of the RGB input signal when the image flickers because the 
projector phase and RGB input signal phase do not match.
Image Adjustment 2 3 
Overscan (CVD)Adjust the overscan amount for an input video signal within the range of 0% to 5%*. 
The size of the border area displayed on the projection screen depends on the 
setting value. A smaller value results in a wider border area as shown below.
Image Adjustment 23 
Restore Menu Defaults 
(RCVD)Return all of the items in the “Image Adjustment 2” main menu to their initial defaults 
for the currently projecting image source.
Volume Adjustment3 
VolumeSee “To adjust the volume level (VOLUME)” (page 49) for more information.
Volume Adjustment3
 
Restore Menu DefaultsReturn the Volume setting to its initial default for the currently projecting image 
source.
Screen Settings3 
Keystone CorrectionUse this sub-menu to perform vertical keystone correction of the projected image.
Screen Settings3 
Aspect Ratio (RCVHD)Select an aspect ratio setting for the projected image.
See “To change the aspect ratio of the projected image (ASPECT)” (page 51) for 
more information.
Use this menu item:To do this:
Display range at 5%
Display range at 0% 
						

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Screen Settings3 
Projection ModeSpecify whether projection will be from the front of the screen or the back of the 
screen.
Front*: Select this option to project from the front of the screen.
Rear: Select this option to project from the back of the screen. This setting flips the 
front projected image horizontally.
Screen Settings 3 
Ceiling MountSet up the projector to be hung from a ceiling.
On: Select when the projector is hung from a ceiling. Since the bottom of the 
projector is upwards, the projected image is flipped both horizontally and 
vertically.
Off*: Select when the projector is used on a desktop. This projects the image 
assuming that the top of the projector is upwards.
Screen Settings 3 
Startup ScreenSpecify whether or not a startup screen should be projected whenever projector 
power is turned on, and select the image to be used as the startup screen.
Logo: Projects a logo built into the projector or a user logo (page 74) as the startup 
screen.
None*: Disables startup screen projection.
Screen Settings 3 
No Signal ScreenSelect one of the following as the projection image whenever there is no input signal 
being input to the projector: “Blue”* (blue screen), “Black” (black screen), “Logo” 
(projector built-in logo, or user logo, page 74).
Screen Settings 3
Blank ScreenSelect one of the following as the projection image whenever the [BLANK] key is 
pressed: “Blue”* (blue screen), “Black” (black screen), “Logo” (projector built-in 
logo, or user logo, page 74).
Screen Settings3 
Restore Menu DefaultsReturn all of the items in the “Screen Settings” main menu to their initial defaults for 
the currently projecting image source.
Input Settings3 
COMPUTER Terminal (RC)Specify the method to be used to identify the COMPUTER terminal input signal.
Auto*: Projector automatically identifies the COMPUTER terminal input signal.
RGB: Always assumes the COMPUTER terminal input signal is an RGB signal.
Component: Always assumes the COMPUTER terminal input signal is a component 
video signal.
Input Settings3 
Video Signal (V)
Input Settings3 
S-Video Signal (V) 
(XJ-M Series only) Specify the method to be used to identify the video signal being input to the 
projector (XJ-A Series: AV terminal input signal, XJ-M Series: VIDEO terminal or 
S-VIDEO terminal input signal).
Auto*: Projector automatically identifies the video input signal.
NTSC, NTSC4.43, PAL, PAL-M, PAL-N, PAL60, SECAM: 
Always assumes the video input signal is the specified video signal type.
Input Settings3 
Signal Name IndicatorSpecify whether the newly selected input signal type should be displayed (On*) or 
not displayed (Off) when the [INPUT] key is pressed to change the input signal.
Input Settings3
 
Restore Menu DefaultsReturn all of the items in the “Input Settings” main menu to their initial defaults for the 
currently projecting image source.
Option Settings 13 
Auto Keystone CorrectionTurn auto keystone correction on (On*) or off (Off).
Option Settings 13 
Auto Adjust (R)Specify whether the projector should detect the RGB input signal type (resolution, 
frequency) and adjust the projection image accordingly.
On*: Auto Adjust enabled.
Off: Auto Adjust disabled.
Option Settings 13 
Eco ModeSee “Eco Mode (ECO)” (page 53).
Option Settings 13 
Auto Power OffSpecify the amount of time of projector operation and input signal inactivity to be 
allowed before Auto Power Off is triggered to turn off projector power automatically. 
Auto Power Off can be disabled, if you want.
5 min, 10 min*, 15 min, 20 min, 30 min: Time until Auto Power off is triggered.
Off: Disables Auto Power Off.
Use this menu item:To do this: 
						

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Option Settings 13 
PasswordSee “Password Protection” (page 62).
Option Settings 13 
Direct Power OnEnable (On) and disable (Off*) projector auto power on as soon as the projector’s AC 
adapter is plugged into a power outlet.
Option Settings 13 
LanguageSpecify the display language.
English, French, German, Italian, Spanish, Swedish, Portuguese, Dutch, Norwegian, 
Polish, Finnish, Czech, Turkish, Russian, Chinese (Simplified), Chinese (Traditional), 
Korean, Japanese, Thai, Indonesian, Malay, Vietnamese, Lithuanian
Important!zUSB Model Users
When using certain USB model functions, some menus and messages may 
be displayed in English, regardless of the language selected here.
Option Settings 13 
Restore Menu DefaultsReturn all of the items in the “Option Settings 1” main menu to their initial defaults for 
the currently projecting image source.
Option Settings 23 
Zoom Memory 
(XJ-A Series only) Specify whether the projector should remember the current zoom (projected image 
size) setting when you press the [P] (Power) key to turn off projector power.
Select “On*” to have the projector remember the current zoom setting when the [P] 
(Power) is pressed to turn off power and restore it the next time power is turned on.
Option Settings 23 
Plug and Play Specify whether the projector input source should switch automatically (Plug and 
Play: On*) when a supported external USB device is connected to the projector’s 
USB-A port.
NotezRegardless of the setting of this item, plug-and-play is disabled while the 
projector is in the 3D input mode. See “3D Input Mode (XJ-M Series Only)” 
on page 16 for information.
Option Settings 23 
Audio OutUse this sub-menu to specify whether audio input from the input sources below 
should be output to the speaker (Speaker*) or output to an external destination 
(Line)*
1.
zFile Viewer (Movie playback audio)
zWireless or Network (Video stream projection movie audio)
zUSB Display 
zHDMI 
*1 When Line is specified, an XJ-A Series projector will output audio from its AV 
terminal, while an XJ-M Series projector will output from its AUDIO OUT terminal.
Option Settings 23 
High AltitudeTurn the high-altitude fan speed setting on or off in accordance with the altitude of 
the area where you are using the projector.
On: Select this setting when using the projector in a high altitude (1,500 to 
3,000 meters / 5,000 to 10,000 feet above sea level) area where air is thin. This 
setting increases cooling efficiency.
Off*: Select this setting at normal altitudes (up to 1,500 meters / 5,000 feet).
Important!zDo not use this projector at altitudes greater than 3,000 meters (10,000 feet) 
above sea level.
Option Settings 23 
Control Panel LockDisable projector unit key operations.
See “Control Panel Lock” (page 65) for more information.
Use this menu item:To do this: