Release notes for TM22 2006 - version 6a. It is advisable to read the main Tutorial pdf document, and to follow through the five brief Cases described. User Notes for the current TM22 version: 1. MACRO SETTINGS On opening the TM22 Excel file, click on "Yes" if you are asked whether Macros are to be enabled. If you need to allow Macros, set Excel's security setting (Tools.. Macro.. Security..) to "Medium" before opening the TM22 file. 2. EXCEL VERSION COMPATIBILITY - PC AND MAC The software has been written in PC Excel version 10.2 (2002). 3. GRADING SYSTEMS The release notes included in the software should also be viewed (from the Main Menu page of the TM22 procedure). These notes describe the TM22 options for building performance Grading Systems, although the default "A to G" grading system should be appropriate in most cases.