AEMC 725 User Manual page 24

K Factor Transformer K factor rating (HARM mode, yellow Shift
push button).
Crest Factor (yellow Shift push button twice).
CF
Peak Half cycle peak values (+ or -) Shift (yellow).
In Peak mode: displays highest and lowest peak.
Analog bar graph
The analog bar graph will continue to display current Arms values while
other measurement functions are displayed. The bar graph ranges are 60
Arms and 600 Arms. Overrange on the bar graph is indicated with
22
.
Clamp-On Harmonic Probe Model