Here is how you can alternate between launching ClarujustApp or ClarujustAppLite when running ezFIT:

Edit the following registry (or create it if not available):

• Key: HKEY_LOCAL_MACHINE\SOFTWARE\Audina Hearing Instruments\ezFIT\4.0\Setup
• Value: ClarujustApp (DWORD)
• Data:
  • 0: to run ClarujustApp
  • 1: to run ClarujustAppLite

Windows Registry Editor Version 5.00
 
[HKEY_LOCAL_MACHINE\SOFTWARE\Audina Hearing Instruments\ezFIT\4.0\Setup]
"ClarujustApp"=dword:00000000