GREAT PLANES RealFlight 7 User Manual page 93

The desired values may be input directly from the keyboard or
modified using the mouse wheel. The higher the value, the more
transparent the text background will become.
Message Duration (sec)-
This option adjusts the length of time that a message remains on-
screen before it disappears.
You may input desired values directly from the keyboard or modify
them using the mouse wheel. The higher the value, the longer the
message remains on-screen.
Enabled-
This option determines whether Instructions messages are displayed or
not.
To determine whether this is enabled, click on the respective value
indicator. Using either the up/down arrow keys on the keyboard, or
the mouse, select either Yes (Instructions messages are enabled) or
No (Instructions messages are disabled) from the pull-down listings. If
using the up/down arrow keys, press Enter to finalize your selection.
Notifications-
This option determines the settings for the system Notifications messages.
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