How To Complete The Battery Capacity Test

Please read the AV-30-E installation manual.

A timer or stopwatch is required for this test procedure. This test is to be performed in standard ambient conditions ranging from 40 degrees F to 90 degrees F. 

1. Ensure the battery is fully charged (100%)
2. If battery is not fully charged, connect aircraft to ground-power, turn the instrument on and allow full charge levels to be obtained.
3. Set manual mode for display backlight and set to maximum brightness. 
4. Remove power to the unit by pulling the corresponding circuit breaker. When power-down screen is displayed, press any button to abort the shutdown sequence.
5. Start the timer and ensure the unit remains operating for 1 hour without shutting down.
6. If unit shuts-down occurs prior to the required time duration, repeat the procedure ensuring full charge is obtained prior to executing the test. If failure occurs on the second test cycle, replacement of the battery is required. 
7. To shut unit down when operating on battery, press both left and right buttons together. 

Follow this video on how to complete the battery capacity test.