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2001-02-17
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11KB
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264 lines
---------------------------------------------------------------
Canon Digital Camera TWAIN Driver README file
for Canon digital cameras
Version 3.7.0
---------------------------------------------------------------
Copyright (c)1997-2001 CANON INC.
________________________________________________________________
Thank you for your purchase of the Canon Digital Camera.
This README file contains some information which may be helpful
in diagnosing problems with the Canon Digital Camera TWAIN driver
or the Canon digital cameras.
A NOTE ABOUT TWAIN:
Since the TWAIN standard is being updated on a regular basis, and
software application companies try to address these changes, you
may occasionally experience some minor problems caused by
applications that are not fully TWAIN compliant. Canon works
closely with software manufacturers on compatibility issues to
ensure user's a trouble-free experience.
_________________________________________________________________
--------
CONTENTS
--------
1. General Notes
2. Windows 95 Specific Notes
3. Windows NT Specific Notes
4. Application Specific Notes
5. Un-Installing Canon Digital Camera TWAIN driver
1. General Notes
=================
(1) Disk space usage
The TWAIN driver may create several temporary files on your
hard disk. These files are erased when the TWAIN driver is closed.
If your system ever crashes for any reason while the TWAIN driver
is in use, the files will be left on the hard disk. Each time TWAIN
driver starts, it will look for and erase such files.
(2) 16-bit vs. 32-bit TWAIN
The Canon Digital Camera TWAIN driver is fully 32-bit. If your application
allows selection of multiple TWAIN data source managers, take
care to select "TWAIN_32".
2. Windows 95 Specific Notes
=============================
(1) If you are using the Microsoft Plus! add-on package for
Windows 95, you may experience some unusual visual behavior of
the main window of the Canon Digital Camera TWAIN driver while dragging
or re-sizing it. This is harmless and it is done to maximize
speed and to minimize re-drawing of the window. The window will
re-draw completely once the drag/re-size operation is completed.
Nevertheless, you may want to disable this feature by unchecking
the appropriate checkbox located in the "Visual settings"
options group of the Display Properties dialog.
3. Windows NT Specific Notes
=============================
(1) NTFS (NT File System) not supported on PCMCIA card installed in
camera. PCMCIA card must be formatted with the FAT File System
before camera will recognize it.
(2) Removing a PCMCIA card from the card reader when system is running
results in system lockup. Be sure that Windows NT is completely
shut down before removing or inserting a PCMCIA card.
(3) Not all PC Card Readers have Windows NT 4.0 support. Check with
your PC Card vendor for details.
(4) You may experience some unusual visual behavior of the main
window of the Canon Digital Camera TWAIN driver while dragging or
re-sizing.
This is harmless and it is done to maximize speed and to minimize
re-drawing of the window. The window will re-draw completely once
the drag/re-size operation is completed.
Nevertheless, you may want to disable this feature by unchecking
the appropriate checkbox located in the "Visual settings"
options group of the Display Properties dialog.
4. Application Specific Notes
==============================
We have tried to ensure that the TWAIN driver works with most TWAIN-
compliant applications and machine configurations. However, we have
discovered the incompatibilities and problems listed below. In many
cases more recent versions of the applications solve the problems.
(1) 256 color video drivers
Some applications such as Adobe PhotoShop and Micrografx Picture
Publisher do not manage palettes correctly and may cause corruption
of thumbnails displayed by the TWAIN driver. This does not affect
the actual data, only the way it is displayed on the screen.
Fix/workaround: contact vendor for new version of the software,
or increase number of colors displayed.
(2) keyboard shortcuts
Some applications such as Adobe PhotoDeluxe, Ulead iPhotoExpress,
Ulead PhotoImpact, Ulead ImageEditor, Micrografx Picture Publisher,
and Microsoft Picture-It! may cause the TWAIN driver to not be able
to properly respond to keyboard shortcuts.
Fix/workaround: contact vendor for new version of the software.
(3) Accessing TWAIN driver twice from same application
Some applications such as Paint Shop Pro and Adobe PageMaker do not
handle this situation correctly and cause the application or the TWAIN
driver to crash.
Fix/workaround: contact vendor for new version of the software,
or avoid launching the TWAIN driver twice from the same application.
(4) System hangs after acquiring an image
Wang Imaging applet that ships with some versions of Windows 95
and Windows NT hangs after acquiring an image. Newer version of the
applet fixes this problem.
(5) Removing PC card while accessing Canon Digital Camera images on it
Some PC card drives may cause the system to hang if the PC card
is removed while the Canon Digital Camera TWAIN driver has open image
files on it.
(6) PhotoAccess does not work with Canon Digital Camera TWAIN driver
Older versions of PhotoAccess have a bug which cause the TWAIN
negotiation to fail.
Fix/workaround: contact vendor for new version of the software.
(7) Some applications create extra files on PC cards
Applications such as PhotoImpact Explorer, iPhotoExpress Explorer,
and Paint Shop Pro (using File|Browse feature) may create extra
files on CompactFlash or PCMCIA cards inserted into a PC Card
reader. PhotoImpact Explorer and iPhotoExpress Explorer create
files with names such as IMAGE*.PE* and Paint Shop Pro creates files
with names such as PSPBRWSE.JBF. These files are neither recognized
nor removed by the Canon Digital Camera TWAIN driver or the Canon digital
cameras,
but they will occupy space that would be otherwise available for
camera images.
Fix/workaround: erase the files to release the space on the
the memory cards before re-inserting them into the camera. In Paint
Shop Pro, access the Browser tab in the File|General Preferences
dialog to uncheck "Save browser files to disk". In iPhotoExpress
Explorer, access the Explorer tab in the File|Preferences dialog
to uncheck "Save Folder Reference Files".
(8) Micrografx Picture Publisher 7.0 crashes when saving pictures
Picture Publisher may crash after acquiring images from the camera
when a save file dialog box is displayed.
Fix/workaround: go to Tools menu, select Options, and check the
"Disable Prompt on New File" check box in Undo tab. Click on Apply
followed by OK to commit the change.
(9) "Unable to open the file" message when exiting Canon Digital Camera TWAIN
Paint Shop Pro 4.1x displays this message after exiting from
Canon Digital Camera TWAIN Driver without acquiring an image.
Fix/workaround: This problem has been fixed in Paint Shop Pro 5.0.
Contact Jasc Software Inc. (http://www.jasc.com) to upgrade your
version.
(10) Micrografx Picture Picture 7.0 crashes when exiting application
Picture Publisher may crash when closing the application while the
following two conditions are met: a) Canon Digital Camera TWAIN user
interface is still open, and b) there are one or more unsaved images open
in edit windows.
Fix/workaround: This problem has been fixed in Picture Publisher 8.0.
Contact Micrografx Inc. (http://www.micrografx.com) to upgrade your
version.
(11) Considerations for Communication between the Canon Digital Camera TWAIN
Driver and the Canon Digital Camera
Do not operate the camera switches, remove the CF card or battery pack,
or detach the interface cable while a connection is open to a Canon digital
camera. These actions may cause a malfunction with some computer systems.
(12) Part of the TWAIN window is not displayed normally.
The TWAIN window may not be displayed normally when some of video cards are
used. This can be corrected by upgrading the video driver to the latest
version. Inquire with the relevant manufacturers regarding how to obtain the
latest version of the video driver.
(13) Accessing Canon Digital Camera TWAIN from CorelDRAW 8 or Corel
PHOTO-PAINT 8 on Windows NT 4.0
Canon Digital Camera TWAIN driver may not work properly when it is
accessed from CorelDRAW 8 or Corel PHOTO-PAINT 8 on Windows NT 4.0.
(14) Connecting to a USB Port
Please do not place your computer into standby mode while this camera is
connected to its USB port. If the computer is placed into standby mode while
the camera is connected to the USB port, do NOT disconnect the USB cable
from the camera or computer. Try to revive the computer. If the USB cable is
detached while the computer is in standby mode, some models of computer
may not return to active mode correctly. For instructions regarding the
standby mode, please consult the manual accompanying your computer and
operating software.
(15) Movies and Downloading
Movies cannot be downloaded from the camera using the Canon Digital Camera
TWAIN Driver since this program is based on TWAIN standards.
(16) Image Properties for Bulb Exposures
The shutter speed data for images shot for 100 or more minutes
with the bulb exposures may not record correctly.
5. Un-Installing Canon Digital Camera TWAIN Driver
===================================================
To uninstall Canon Digital Camera RS-232C TWAIN driver please carry out the
following procedure:
(1) Click the Start button, point to Settings, and then click
Control Panel.
(2) Double-click the Add/Remove Programs icon.
(3) On the Install/Uninstall tab, click "Canon Digital Camera RS-232C
TWAIN Driver", and then click Remove
(4) The uninstaller may ask you about removing shared files.
Click on "Yes" to remove the files.
To uninstall Canon Digital Camera USB TWAIN driver please carry out the
following procedure:
(1) Click the Start button, point to Settings, and then click
Control Panel.
(2) Double-click the Scanners and Cameras icon.
(3) On the Devices tab, click "PowerShot S10" / "PowerShot S20" / "PowerShot S100"
/ "DIGITAL IXUS" / "EOS D30" / "PowerShot G1" / "PowerShot Pto90 IS" /
"PowerShot S300" / "DIGITAL IXUS 300" / "PowerShot A10" / "PowerShot A20" /
"PowerShot S110" / "DIGITAL IXUS v", and then click Remove.
<End of File>