GREAT PLANES RealFlight 7 User Manual page 94

These options function in the same manner as the options for the Instructions
messages, except that they only affect Notification messages.
Warnings-
This option determines the settings for the system Warning messages.
These options function in the same manner as the options for the Instructions
messages, except that they only affect Warning messages.
Errors-
This option allows you to modify the behavior of system error messages.
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