This is the time period in which your State Authority has decided you must provide a test. If you miss a test window, a violation will be recorded. As the test window nears the end of the allotted time, the unit will beep more frequently.
This is the time period in which your State Authority has decided you must provide a test. If you miss a test window, a violation will be recorded. As the test window nears the end of the allotted time, the unit will beep more frequently.