9
about 15 sec
"Srt" blinks
When “Srt” appears on the display, make the test probes short
closely, and press the Cal/Hz button to start short calibration.
During short calibration, the “Srt” blinks on the display. About 15
seconds later, the result of the short calibration appears on the
display. If the result shows "PASS", press the Cal/Hz button to
finish calibration. If the result shows "FAIL", press the Cal/Hz
button to exit calibration mode.