Delta RT Series User Manual page 46

For example, if you need to execute a battery test, please go to
→ Test in Progress... → Test Result: Pass (or Fail).
Once the test is completed, the test result will be shown as follows.
A. Test Result_ Fail: The alarm icon will show at the left bottom of the LCD display.
B.
Tests Result_ Pass: No alarm icon occurs, and the UPS runs normally.
Amplon RT Series
46
→ Test → Start Battery Test