Profile Mechanic - Monitor

General Information

How can I tell if my display card supports color lookup tables (CLUTs)?

This is only an issue for Windows computers, so if you have a Macintosh, don't worry about it. Nearly every display card released in the last few years supports CLUTs which are required for monitor calibration. If you are unsure about your card, you can download and run a small program that checks for CLUT support by clicking the link below.

LUT Check.zip

To run LUT Check, just unzip the download file and run the application LUT Check.exe it contains. LUT Check will display a message box indicating whether or not your display supports lookup tables.

Usage Problems

When I click the Save Profile or Save Profile Log buttons, nothing happens.

This problem can occur if the Profile Description you entered contains special characters such as "/", "\" or ":". If you remove these characters from the Profile Description the problem should go away. This issue will be addressed in an upcoming maintenance release.

Profile Mechanic - Scanner

Free Maintenance Release Downloads

The following maintenance releases are available for Profile Mechanic - Scanner. Simply download and install the new version over the old version or unistall the old version first if you prefer. Your current serial number will continue to work with the maintenance release.

Profile Mechanic - Scanner 1.0.0.3

This maintenance release adds the following new features:

• Added support for the new Macbeth ColorChecker SG target for digital camera profiling.
• Profiles now include both perceptual and colorimetric data - see updated manual for more details.
• Added advanced option to set color lookup table size (17x17x17 / 33x33x33 / 65x65x65). This lets you trade off profile size for precision.
• Added separate settings for reflective and transmissive IT8 and HCT targets - output profile has corresponding bit set in its header. This bit is required for some color correction software.
• Added Rotate and Mirror buttons to allow rotating or reflecting the target image. This shortcut is handy when you accidentally scan your target in the wrong orientation.
• Serial number now displayed in title bar.
• Small circles for each color patch now drawn in gamut display over CIE diagram. This gives you an idea where the individual color patches are located within the color gamut.
• Reworked Advanced Options dialog box to add more control over target and reference contrast stretching also added buttons to Reset/Save As Default.
• Updated electronic manual to reflect changes and to add more detailed information on profile usage. Help button now launches electronic manual - help file no longer used.

This maintenance addresses the following issues:

• Missing profile description no longer grays Next button but gives error message when clicking Next.
• Modified contrast stretching code for greater accuracy.
• Fixed bug causing wrap-around of out-of-gamut values in 3D CLUT encoding. Profiles now look smooth using ColorThink's 3D gamut display.
• Set hourglass cursor during 3D CLUT computation which can take a few seconds for large (65x65x65) CLUTs.
• Fixed bug in Eliminate Residuals for Lab.
• Fixed bug causing wrong white point being output to profile.

		PM-S_103.zip -- Windows version of Profile Mechanic - Scanner Version 1.0.0.3. It requires a validserial number before it can be used (your version 1.0 serial number will work). First extract the files from the zip file to a temporary folder and then run setup.exe to start the installation. Follow the on-screen instructions. If you burn all the extracted files to a blank CD, you can re-install later from the new CD.
		PM-S_103.hqx -- Macintosh version of Profile Mechanic - Scanner Version 1.0.0.3. It requires a valid serial number before it can be used (your version 1.0 serial number will work). Unpack the hqx file if necessary by double clicking on it and then double click the enclosed image file and follow the installation instructions.
		Profile Mechanic - Scanner 1.0.pdf -- This is the Profile Mechanic - Scanner Manual updated for Version 1.0.0.3 in Adobe Acrobat format.

Usage Problems

When I click the Save Profile or Save Profile Log buttons, nothing happens.

This problem can occur if the Profile Description you entered contains special characters such as "/", "\" or ":". If you remove these characters from the Profile Description the problem should go away. This issue will be addressed in an upcoming maintenance release.