Casio Projector XJ-A245V XJ-A255V User Manual

							51
GPL and LGPL
(1) This product uses software (This Software) that comes under the GNU General Public License 
(GPL) and GNU Lesser General Publ ic License (LGPL). In accordance with the GPL and LGPL, the 
source code of This Software is open source co de. 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 su re to do so in accordance with the terms and 
conditions of the GPL and LGPL.
(2) This Software is provided “as is” without expresse d or implied warranty of any kind. However, this 
disclaimer does not affect the terms and conditions  of the warranty of the product itself (including 
malfunctions due to This Software).
(3) The following are the GPL and LGP L that This Software comes under. 
						

							52
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 software--to make sure the software is free for all its users. This General Public License applies to 
most of the Free Software Foundation’s software and to any other program whose authors commit to 
using it. (Some other Free Software Foundation software is covered by the G NU Lesser General Public 
License instead.) You can appl y it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses 
are designed to make sure that you have the freedom to distribute copies of free software (and charge 
for this service if you wish), that you receive source code or can get it if you want it, that you can 
change the software or use pieces of it in new free programs; and that you know you can do these 
things.
To protect your rights, we need to  make restrictions that forbid anyone  to deny you these rights or to 
ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you 
distribute copies of the soft ware, or if you modify it.
For example, if you di stribute copies of such a pr ogram, whether gratis or for a fee, you must give the 
recipients all the rights that yo u have. You must make sure that  they, too, receive or can get the 
source code. And you must show them th ese terms so they know their rights.
We protect your rights with two st eps: (1) copyright the software, and (2) offer you this license which 
gives you legal permission to copy, di stribute and/or modify the software.
Also, for each author’s protection  and ours, we want to make certain that everyone understands that 
there is no warranty for this free software. If the software is modified by someone else and passed on, 
we want its recipients to know that  what they have is not the original, so that any problems introduced 
by others will not re flect on the original authors’ reputations.
Finally, any free program is threatened constantly  by software patents. We wish to avoid the danger 
that redistributors of a free prog ram will individually obtain patent licenses, in effect making the 
program proprietary. To prevent this, we have made it clear that any patent must be licensed for 
everyone’s free use or not licensed at all.
The precise terms and conditions for copyin g, distribution and modification follow. 
						

							53
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 verbat im or with modifications and/or translated into another language. 
(Hereinafter, translation is included without limitation in the term “modification”.) Each licensee is 
addressed as “you”.
Activities other than copying, di stribution and modification are no t covered by this License; they 
are outside its scope. The act of  running the Program is not restricted, and the output from the 
Program is covered only if its co ntents constitute a work based on the Program (independent of 
having been made by running th e Program). Whether that is true depends on what the Program 
does.
1. You may copy and distribute verbat im copies of the Program’s source code as you receive it, in 
any medium, provided that you conspicuously and appropriately publish on each copy an 
appropriate copyright notice and disclaimer of warran ty; keep intact all the notices that refer to this 
License and to the absence of any warranty; and give any other recipients of the Program a copy of 
this License along with the Program.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer 
warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based 
on the Program, and copy and distribute such mo difications or work under the terms of Section 1 
above, provided that you also meet all of these conditions: 
a) You must cause the modified files to carry prom inent notices stating that you changed the files 
and the date of any change.
b) You must cause any work that you distribute or pub lish, that in whole or in part contains or is 
derived from the Prog ram or any part thereof, to be licensed  as a whole at no charge to all third 
parties under the terms of this License.
c) If the modified program normally reads commands interactively when run, you must cause it, 
when started running for such inte ractive use in the most ordinary way, to print or display an 
announcement including an appropriate copyright  notice and a notice that there is no warranty 
(or else, saying that you provide a warranty) and that users may redistribute the program under 
these conditions, and telling the user how to view a copy of this License. (Exception: if the 
Program itself is interactive but does not norm ally print such an announcement, your work 
based on the Program is not required to print an announcement.)  
						

							54
These requirements apply to the modified work as a whole. If identifiable sections of that work are 
not derived from the Program, and can be reasonably considered independent and separate works 
in themselves, then this License, and its terms, do not apply to those sections when you distribute 
them as separate works. But when you distribute the same sections as part of a whole which is a 
work based on the Program, the distribution of the whole must be on the terms of this License, 
whose permissions for other licensees extend to the entire whole, and thus to each and every part 
regardless of who wrote it.
Thus, it is not the intent of this  section to claim rights or contest yo ur rights to work written entirely 
by you; rather, the intent  is to exercise the right to control the di stribution of derivative or collective 
works based on the Program.
In addition, mere aggregation of another work not based on the Program with the Program (or with 
a work based on the Program) on a volume of a storage or distribution me dium does not bring the 
other work under the sc ope of this License.
3. You may copy and distribute the Program (or a work based on it, under  Section 2) in object code or 
executable form under the terms of Sections 1 and 2 above provided that you also do one of the 
following: 
a) Accompany it with the complete corresponding machine-readable source code, which must be 
distributed under the terms of  Sections 1 and 2 above on a medium customarily used for 
software interchange; or, 
b) Accompany it with a writte n offer, valid for at least three year s, to give any third party, for a 
charge no more than your cost  of physically performing source distribution, a complete 
machine-readable copy of the corresponding sour ce code, to be distributed under the terms of 
Sections 1 and 2 above on a medium custom arily used for software interchange; or, 
c) Accompany it with the information you received as to the offer to distribute corresponding 
source code. (This alternative is allowed only  for noncommercial distribution and only if you 
received the program in object code or executab le form with such an offer, in accord with 
Subsection b above.) 
The source code for a work means the preferred form of the work for making modifications to it. 
For an executable work, complete source code means all the source code for all modules it 
contains, plus any associated interface definition files, plus the scripts used to control compilation 
and installation of the executable. However, as  a special exception, the source code distributed 
need not include anything that is normally distri buted (in either source or binary form) with the 
major components (compiler, kernel, and so on) of the operating system on which the executable 
runs, unless that component itself accompanies the executable.
If distribution of executable or  object code is made by offering access to copy from a designated 
place, then offering equivalent access to copy the source code from the same place counts as 
distribution of the source code, even though th ird parties are not compelled to copy the source 
along with the object code.
4. You may not copy, modify,  sublicense, or distribute the Prog ram except as expressly provided 
under this License. Any attempt otherwise to copy,  modify, sublicense or distribute the Program is 
void, and will automatically terminate your rights under this License. However, parties who have 
received copies, or rights, from you under this License will not have their licenses terminated so 
long as such parties remain in full compliance. 
						

							55
5.You are not required to accept th is License, since you have not signed it. However, nothing else 
grants you permission  to modify or distribute  the Program or its derivative works. These actions are 
prohibited by law if you do not  accept this License. Therefore, by modifying or distributing the 
Program (or any work based on the Program), you indicate your acceptance of this License to do 
so, and all its terms and conditions for copying,  distributing or modifying the Program or works 
based on it.
6. Each time you redistribute th e Program (or any work based on the Program), the recipient 
automatically receives a license from the original licensor to copy, distribute or modify the Program 
subject to these terms and conditions. You may not impose any further restrictions on the 
recipients’ exercise of the rights granted herein. You are not responsible for enforcing compliance 
by third parties  to this License.
7. If, as a consequence of a court judgment or alle gation of patent infringement or for any other 
reason (not limited to  patent issues), conditions are impose d on you (whether by court order, 
agreement or otherwise) that contradict the conditio ns of this License, they do not excuse you from 
the conditions of this License. If  you cannot distribute so as to satisfy simultaneously your 
obligations under this License and any other pert inent obligations, then as a consequence you may 
not distribute the Program at all. For example, if a patent license would not permit royalty-free 
redistribution of the Program by all those who receiv e copies directly or indirectly through you, then 
the only way you could satisfy both it and this Lice nse would be to refrain entirely from distribution 
of the Program.
If any portion of this section is held invalid or unenforceable under any particular circumstance, the 
balance of the section is intended to apply and the section as a whole is intended to apply in other 
circumstances.
It is not the purpose of this section to induce yo u to infringe any patents or other property right 
claims or to contest validity of any such claims; this section has the sole purpose of protecting the 
integrity of the free software dist ribution system, which is implemented by public li cense practices. 
Many people have made  generous contributions to the wide ra nge of software distributed through 
that system in reliance on consistent application  of that system; it is up to the author/donor to 
decide if he or she is willing to distribute software through any other system and a licensee cannot 
impose that choice.
This section is intended to make thoroughly clear  what is believed to be a consequence of the rest 
of this License.
8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by 
copyrighted interfaces, the original copyright holder who places the Program under this License 
may add an explicit geographical distribution limitation excluding those countries, so that 
distribution is permitted  only in or among countries  not thus excluded. In such case, this License 
incorporates the limitation as if wr itten in the body of this License.
9. The Free Software Foundation ma y publish revised and/or new versions of the General Public 
License from time  to time. Such new vers ions will be similar in spirit to the present version, but may 
differ in deta il to address new problems or concerns.
Each version is given a distinguis hing version number. If the Program specifies a version number of 
this License which a pplies to it and “any later version”, you  have the option of following the terms 
and conditions either of that version or of any later version published by the Free Software 
Foundation. If the Program does not specify a vers ion number of this License, you may choose any 
version ever published by the Free Softwa re Foundation. 
						

							56
10.If you wish to incorporate parts of the Program into other free programs whose distribution 
conditions are different, write to the author to ask for permission. For software which is copyrighted 
by the Free Software Foundation, write to the Free Software Foundation; we sometimes make 
exceptions for this. Our decision wi ll be guided by the two goals of preserving the free status of all 
derivatives of our free software and of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE 
PROGRAM, TO THE EXTENT PERMITTED BY A PPLICABLE LAW. EXCEPT WHEN OTHERWISE 
STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE 
PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, 
INCLUDING, BUT NOT LIMITED TO, THE IMPL IED WARRANTIES OF MERCHANTABILITY AND 
FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND 
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE 
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR 
CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY 
COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE 
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE 
OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR 
DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES 
OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF 
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 
DAMAGES. 
						

							57
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new progra m, and you want it to be of the grea test possible use to the public, the 
best way to achieve this is to make it free software which everyone can redistribute and change under 
these terms.
To do so, attach the followi ng notices to the program. It is safest to attach them to the start of each 
source file to most effectively convey the exclusion of warranty; and each file should have at least the 
“copyright” line and a pointer to  where the full notice is found.
one line to give the program’s name and an idea of what it does.
Copyright (C) yyyy  name of author
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Also add information on how to contact  you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when it starts in an interactive 
mode: 
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details
type ‘show w’.  This is free software, and you are welcome
to redistribute it under certain conditions; type ‘show c’ 
for details.
The hypothetical commands  ‘show w’ and ‘show c’  should show the appropriate parts of the 
General Public License. Of course, the commands  you use may be called something other than 
‘show w’  and ‘show c’ ; they could even be mouse-clicks  or menu items--whatever suits your 
program.
You should also get your employer (if you work as  a programmer) or your school, if any, to sign a 
“copyright disclaimer” for the program, if necessary. Here is a sample; alter the names: 
Yoyodyne, Inc., hereby disclaims all copyright
interest in the program ‘Gnomovision’
(which makes passes at compilers) written 
by James Hacker.
signature of Ty Coon, 1 April 1989
Ty Coon, President of Vice
This General Public Licens e does not permit incorporating your  program into proprietary programs. If 
your program is a subroutine librar y, you may consider it more useful to permit linking proprietary 
applications with the library. If this is what you  want to do, use the GNU Lesser General Public License 
instead of this License. 
						

							58
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999 
Copyright (C) 1991, 1999 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.
[This is the first released version of the Lesser GPL.  It also counts
 as the successor of the GNU Library Public License, version 2, hence
 the version number 2.1.]
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By 
contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and 
change free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some specially designated software 
packages--typically libraries--of the Free Software Foundation and other authors who decide to use it. 
You can use it too, but we suggest you first think carefully about whether this license or the ordinary 
General Public License is  the better strategy to use in any particular case, based on the explanations 
below.
When we speak of free software, we are referring to freedom of use, not price. Our General Public 
Licenses are designed to make sure that you have the freedom to distribute copies of free software 
(and charge for this service if you wish); that you receive source code or can get it if you want it; that 
you can change the software and use pieces of it in  new free programs; and that you are informed that 
you can do these things.
To protect your rights, we  need to make restrictions that forbid di stributors to deny you these rights or 
to ask you to surrender these rights. These restrictio ns translate to certain responsibilities for you if 
you distribute copies of the library or if you modify it.
For example, if you distribute copies of the library, whether gratis or for a fee, you must give the 
recipients all the rights th at we gave you. You must make sure  that they, too, receive or can get the 
source code. If you link  other code with the librar y, you must provide complete object files to the 
recipients, so that they can reli nk them with the library after making changes to the library and 
recompiling it. And you must show them  these terms so they know their rights.
We protect your rights with a two- step method: (1) we copyright the li brary, and (2) we offer you this 
license, which gives you legal permission to  copy, distribute and/or modify the library.
To protect each distributor, we want to make it very clear that there is no warranty for the free library. 
Also, if the library is modified by someone else an d passed on, the recipients should know that what 
they have is not the original versio n, so that the original author’s reputation will not be affected by 
problems that might be  introduced by others.
Finally, software patents pose a co nstant threat to the existence of any free program. We wish to 
make sure that a company cannot effectively rest rict the users of a free program by obtaining a 
restrictive license from a patent holder. Therefore,  we insist that any patent license obtained for a 
version of the library must be consistent with the full freedom of use specified in this license. 
						

							59
Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. 
This license, the GNU Lesser Genera l Public License, applies to certain designated libraries, and is 
quite different from the ordinary  General Public License. We use this license for certain libraries in 
order to permit linking those libraries into non-free programs.
When a program is linked with a library, whether stat ically or using a shared library, the combination of 
the two is legally speaking a combined work, a derivative of the original library. The ordinary General 
Public License therefore permits such linking only if the entire combination fits its criteria of freedom. 
The Lesser General Public  License permits more lax criteria for linking other code with the library.
We call this license the “Lesser” General Public License because it does Less to protect the user’s 
freedom than the ordinary General Pu blic License. It also provides other free software developers Less 
of an advantage over competing non-free programs. These disadvantages are the reason we use the 
ordinary General Public License for many libraries. However, the Lesser license provides advantages 
in certain special circumstances.
For example, on rare occasions, there may be a spec ial need to encourage the widest possible use of 
a certain library, so that it becomes a de-facto st andard. To achieve this, non-free programs must be 
allowed to use the library. A more frequent case is that a free library does the same job as widely used 
non-free libraries. In this case, ther e is little to gain by limiting the free library to  free software only, so 
we use the Lesser Ge neral Public License.
In other cases, permission to use a particular library in non-free programs enables a greater number of 
people to use a large body of free software. For example, permission to use the GNU C Library in 
non-free programs enables many more people to use the whole GNU operating system, as well as its 
variant, the GNU/Linux operating system.
Although the Lesser General Public  License is Less protective of the users’ freedom, it does ensure 
that the user of a program that is linked with the Library has the freedom an d the wherewithal to run 
that program using a modified version of the Library.
The precise terms and conditions fo r copying, distribution and modification follow. Pay close attention 
to the difference between a “work based on the librar y” and a “work that uses the library”. The former 
contains code derived from the library, whereas the la tter must be combined with the library in order to 
run. 
						

							60
TERMS AND CONDITIONS FOR COPYING, 
DISTRIBUTION AND MODIFICATION
0.This License Agreement applies to any software library or other program which contains a notice 
placed by the copyright holder or  other authorized party saying it may be distributed under the 
terms of this Lesser Genera l Public License (also called “this License”). Each licensee is addressed 
as “you”.
A “library” means a collection of software functions and/or data prepared so as to be conveniently 
linked with applicatio n programs (which use some of th ose functions and data) to form 
executables.
The “Library”, below, refers to any such software  library or work which has been distributed under 
these terms. A “work based on the Library” means either the Library or any derivative work under 
copyright law: that is to say, a work containing the Library or a portion of it, either verbatim or with 
modifications and/or translated straightforwardly into another language. (Hereinafter, translation is 
included without limitation in the term “modification”.) 
“Source code” for a work means the preferred form of the work for making modifications to it. For 
a library, complete source code means all the source code for all modules it contains, plus any 
associated interface definition files, plus the scripts used to control compilation and installation of 
the library.
Activities other than copying, di stribution and modification are no t covered by this License; they 
are outside its scope. The act of  running a program using the Library is not  restricted, and output 
from such a program is covered  only if its contents constitute a work based on the Library 
(independent of the use of the Library in a tool for  writing it). Whether that is true depends on what 
the Library does and what the program that uses the Library does.
1. You may copy and distribute verbatim copies of the Library’s complete source code as you receive 
it, in any medium, provided that you conspicuou sly and appropriately publish on each copy an 
appropriate copyright notice and disclaimer of warran ty; keep intact all the notices that refer to this 
License and to the absence of any warranty; and distribute a copy of this License along with the 
Library.
You may charge a fee for the physical act of transferring a copy, and you may at your option offer 
warranty protection in exchange for a fee.
2. You may modify your copy  or copies of the Library or any port ion of it, thus forming a work based 
on the Library, and copy and distribute such modifications or work under the terms of Section 1 
above, provided that you also meet all of these conditions:
a) The modified work must itse lf be a software library.
b) You must cause the files modified to carry prom inent notices stating that you changed the files 
and the date of any change.
c) You must cause the whole of the work to be licensed at no charge to all third parties under the 
terms of this License.