Amprobe ACD-30P Clamp-On-Power-Meters - Manual (Page 7)

6
Line-level Frequency function
When ACV or ACA function is auto-selected or manual-selected, press Hz button
momentarily toggles to Line-level Frequency function. Frequency trigger levels vary
automatically with function ranges.
Peak-rms mode
Peak-rms compares and displays the maximum RMS value of surge voltage or
current with durations as short as 65ms. When ACV or ACA function is auto-selected or
manual-selected, press and hold Peak-rms button for one second or more toggles to
this mode. The LCD annunciators “P-” & “Max” turn on.
Note:
Manually disable the APO feature (press & hold the HOLD button while setting the
slide-switch function-selector from any position to the
position.) before using
Peak-rms mode for long-term measurements.
HOLD mode
Hold mode freezes the display for later viewing. When any function is auto-selected or
manual-selected, press HOLD
button momentarily toggles to this mode. The
annunciator “ ” turns on.