Iso-Tech ICM 136R Instruction Manual page 9

Peak Hold
P : The clamp-multimeter stores the
MAX
peak maximum and minimum values.
The peak maximum value is displayed.
P : The clamp-multimeter stores the
MIN
peak maximum and minimum values.
The peak minimum value is displayed.
CAL: Press and hold the PEAK button
>3 sec to calibrate the clamp-multimeter
for accurate measurement.
Normal: Press and hold the PEAK
button to return to normal operation.
Back Light
The back-light will automatically turn off
after approximately 60 seconds.
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