Casio Projector XJ-A257 User Manual

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Component Signal
Video Signal
HDMI Signal
Signal NameHorizontal Frequency (kHz)Vertical Frequency (Hz)
HDTV1080p/50 56.3 50
1080p/60 67.5 60
720p/50 37.5 50
720p/60 45.0 60
1080i/50 28.1 50
1080i/60 33.7 60
SDTV576p/50 31.3 50
576i/50 16.6 50
480p/60 31.5 60
480i/60 15.7 60
Signal NameHorizontal Frequency (kHz)Vertical Frequency (Hz)
NTSC 15.7 60
NTSC4.43 15.7 60
PAL 15.6 50
PAL-M 15.7 60
PAL-N 15.6 50
PAL60 15.7 60
SECAM 15.6 50
Signal NameHorizontal Frequency (kHz)Vertical Frequency (Hz)
640 ×...

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3D Signals (3D Input Mode)
Signal NameHorizontal Frequency 
(kHz)Vertical Frequency 
(Hz)
RGB Signal640 × 480/60 31.5 60
640 × 480/120 61.7 120
800 × 600/60 37.9 60
800 × 600/120 77.2 120
1024 × 768/60 48.4 60
1024 × 768/120 98.8 120
1280 × 768/60 47.8 60
1280 × 768/120 97.4 120
1280 × 800/60 49.7 60
1280 × 800/120 101.6 120
Video Signal, S-video SignalNTSC 15.7 60 

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When there is a serial connection between the projector and a computer, you can control the projector 
using RS-232C commands sent from the computer.
To establish a serial connection between the projector and a 
computer
Connect the projector and computer as shown in the illustration below.
XJ-A Series
XJ-M Series
Projector RS-232C Control
Projector
Computer
Serial port
YK-60 special cable (available separately)
Projector
Commercially available serial cable (cross)
Computer
Serial port (RS-232C)
D-Sub...

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Using Control Commands
This section explains the commands that are used to control the projector from a computer.
Command Send Format
zSee the “Command List” for details about command names and settings.
zAll commands use ASCII characters and decimal format integers.
zThe projector will return a question mark (?) when it is sent a command it cannot recognize. Also, 
any command that attempts to set a value that is outside the applicable allowable range will be 
ignored.
zIf the projector is performing...

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Command List
zOnly the following functions are supported while the projector is turned off. Do not try to send any 
other command to the projector.
zInput of a valid signal must be in progress in order to use a command to turn on blank screen or 
change the aspect ratio.
R: Read enabled   W: Write enabled zPower on/off: Read
zPower on: Write
zGet light time: Read
FunctionCommand 
NameRWSetting Range
Power On/Off:PWR RW 0: Off, 1: On
Input Switching: 0:Switches the input source to the 
COMPUTER...

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Eco Mode:Enter Eco Mode. PMD RW 0: Off (Bright), 1: Off (Normal), 
2: On (Auto), 3: On (Manual 1), 
4: On (Manual 2), 
5: On (Manual 3), 
6: On (Manual 4), 
7: On (Manual 5)
Freeze:Switches freeze on or off. FRZ RW 0: Off, 1: On
Keystone Correction: 
Specifies the keystone correction setting as a value that 
corresponds to the typical Setup Menu “Keystone 
Correction” settings below.
0: Keystone Correction –60
60: Keystone Correction 0
120: Keystone Correction +60
Example:65 here, specifies a setting...

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Volume +/–:Raises or lowers the current volume setting by 1. +: VLP
–: VLMW0 to 30
Mute:Switches mute on or off. MUT RW 0: Off, 1: On
*1 Top of projector upwards
*2 Top of projector downwards
FunctionCommand 
NameRWSetting Range 

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GPL and LGPL
(1) This product uses software (This Software) that comes under the GNU General Public License 
(GPL) and GNU Lesser General Public License (LGPL). In accordance with the GPL and LGPL, the 
source code of This Software is open source code. Anyone who wishes to view the open source 
code can do so by downloading it from the CASIO Projector download site. Whenever copying, 
modifying, or distributing This Software, be sure to do so in accordance with the terms and 
conditions of the GPL and...

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By 
contrast, the GNU General Public License is intended to guarantee your freedom to share and change 
free...

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TERMS AND CONDITIONS FOR COPYING, 
DISTRIBUTION AND MODIFICATION
0.This License applies to any program or other work which contains a notice placed by the copyright 
holder saying it may be distributed under the terms of this General Public License. The “Program”, 
below, refers to any such program or work, and a “work based on the Program” means either the 
Program or any derivative work under copyright law: that is to say, a work containing the Program 
or a portion of it, either verbatim or with...