Casio Projector XJ-A257 User Manual

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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.
Text is blurry.zThe image may be out of focus. Adjust image focus.
zThe current frequency and/or phase setting do not match the input signal. (Applies 
only when the input source is an RGB signal.) Press the [AUTO] key to execute an 
automatic...

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Appendix
This section explains how to establish a component video connection between the projector and a 
video device.
zComponent video output terminals come in 3-terminal sets: Y·Cb·Cr or Y·Pb·Pr. Be sure to match 
the colors of the plugs on a component video cable with the colors of the terminals (Green: Y; 
Blue: Cb/Pb; Red: Cr/Pr).
zNote that connection only to an analog component video output terminal is supported.
Connection to a digital output terminal is not supported.
XJ-A Series
XJ-M...

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NotezNote that regardless of whether the image being projected is being input via the projector’s 
S-VIDEO terminal or VIDEO terminal, the projector outputs audio that is input via the 
projector’s AUDIO IN L/R terminals.
Connecting to a Composite Video Output or S-Video 
Output (XJ-M Series Only)
To S-video output terminal
To video/audio output terminal
Yellow: To VIDEO terminal To S-VIDEO terminal
Red: To AUDIO IN R terminal
White: To AUDIO IN L terminal
Projector
Video deviceS-video cable...

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The projector’s firmware (software in the projector flash ROM) can be updated and user logo images 
can be transferred to the projector from a computer connected to the projector’s LOGO port (USB 
port for ROM updating) with a USB cable.
To connect the projector’s LOGO port with a computer’s USB 
port
Use a commercially available USB cable to connect the projector’s LOGO port to the computer’s USB 
port.
Use a USB cable with a micro USB plug on one end for connection to the projector’s LOGO port, and...

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The projector can be hung from a ceiling. When doing so, the projector should be turned upside down, 
and secured to the ceiling.
For full details, contact the retailer where you purchased the projector.
Important!zWhen hanging the projector from a ceiling, make sure that it is at least one meter away from 
fire detectors, fire alarms, and other fire protection devices. Locating the projector too close to 
a fire protection device creates the risk of mis-operation of the device due to warm air...

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zThe projection distance values below are for reference when setting up the projector.
z“h” in the illustration and table indicates the distance between the center of the projector lens and 
the bottom edge of the projection screen.
XJ-A Series
Projection Distance and Screen Size
Projection SizeApproximate Projection Distance
XJ-A142/XJ-A147XJ-A242/XJ-A247/XJ-A252/XJ-A257
Screen 
SizeDiagonal
(cm)Minimum 
Distance
(m / feet)Maximum 
Distance
(m / feet)hMinimum 
Distance
(m / feet)Maximum 
Distance
(m...

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XJ-M Series
The following table shows the relationship between the distance and projected image size.
Projection Size
Approximate Projection Distance
XJ-M141/XJ-M146/
XJ-M151/XJ-M156XJ-M241/XJ-M246/
XJ-M251/XJ-M256
Screen 
SizeDiagonal
(cm)Minimum 
Distance
(m / feet)Maximum 
Distance
(m / feet)hMinimum 
Distance
(m / feet)Maximum 
Distance
(m / feet)h
(cm / inch)
30 76 1.0 / 3.28 1.5 / 4.92 0 – – –
35 89 – – – 1.0 / 3.28 1.5 / 4.92 8 / 3.15
40 102 1.3 / 4.27 2.0 / 6.56 0 1.1 / 3.61 1.7 / 5.58 9 /...

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The following shows how images are projected in accordance with the type of the input signal and the 
aspect ratio setting of the projector.
XJ-A242/XJ-A247/XJ-A252/XJ-A257/XJ-M241/XJ-M246/XJ-M251/XJ-M256
Input source: RGB or HDMI (PC)
Input source: Video, component or HDMI (DTV)
Aspect Ratio Setting and Projection Image
Input SignalNormalFull16:94:3True
SVGA (800 × 600)
XGA (1024 × 768)
WXGA (1280 × 800)
SXGA (1280 × 1024)
Input SignalNormal16:94:3Letter Box
4:3 Aspect Image
Squeezed Image
Letter Box...

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XJ-A142/XJ-A147/XJ-M141/XJ-M146/XJ-M151/XJ-M156
Input source: RGB or HDMI (PC)
Input source: Video, component or HDMI (DTV)
Input SignalNormalFull16:9
SVGA (800 × 600)
XGA (1024 × 768)
WXGA (1280 × 800)
SXGA (1280 × 1024)
Input SignalNormal16:94:3
4:3 Aspect Image
Squeezed Image
Letter Box Image
16:9 Aspect Image 

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Important!zEven if a signal is listed in the table below, it does not guarantee that you will be able to 
display its images correctly.
RGB Signal
Supported Signals
Signal NameResolutionHorizontal Frequency 
(kHz)Vertical Frequency 
(Hz)
VESA640 × 480/60 640 × 480 31.5 60
640 × 480/72 640 × 480 37.9 73
640 × 480/75 640 × 480 37.5 75
640 × 480/85 640 × 480 43.3 85
800 × 600/56 800 × 600 35.2 56
800 × 600/60 800 × 600 37.9 60
800 × 600/72 800 × 600 48.1 72
800 × 600/75 800 × 600 46.9 75
800 × 600/85 800...