This tip from Scott K9Jy.com
Many SO2R contesters will re-map keys on their keyboard to support SO2R contesting. This is done to simplify the number of keystrokes and hand movements needed to perform the SO2R functions.
WriteLog in version 10.45 and up offers a Keyboard Mapping function. Accessing the dialog box from the ‘Tools’ and ‘Keyboard Shortcuts’ from the top WriteLog tool bar yields the following dialog box:
WriteLog Keyboard Shortcuts