JT2003
Professional Multimeter
User Manual
18
In ACV mode, press and hold SELECT button for at least 2 seconds automatically, then
automatically jump to 600.0V range and wait for input signal. It will keep on waiting if
there is no input.
After the first phase sequence is measured and locked, insert the probe into another
phase, the LCD displays 1 → 2 → 3 or 3 → 2 → 1; if not move the probe to change input signal, it
will time out in 5 seconds.
Press SELECT button for at least 2 seconds to automatically exit phase sequence mode.
Press SELECT button (for at least 2 seconds) to exit Motor function.
a.
b.
c.
5. PEAK Value Measurement
Press PEAK button in ACV mode to enter peak measurement mode: main display shows
ACV value, the secondary display shows P-MAX. Short press PEAK button, "P-MAX" and
"P-MIN" will be displayed respectively. Long press PEAK button for at least 2 seconds to
exit peak measurement function.
