In 8.4 we have the option to mange the timed backup under Technics module>>Setting Timed Operations.
If these settings are not available in version 8.1, I would recommend updating the system among other reasons.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...