Data Hold; Low Pass Filter (Lpf) - Extech Instruments EX520A User Manual

5
Operation

5.6 Data Hold

To freeze the displayed reading, press the HOLD button, the HOLD icon will
appear. Press the HOLD button to return to normal operation.

5.7 Low Pass Filter (LPF)

Long press the LPF button to engage the low pass filter circuit. Three beeps
indicate that the mode is active. Use the low pass filter when measuring volt-
age on variable frequency drivers (VFD). Long press the LPF button again to
disengage the filter.
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#NAS100179; r. AA/97576/97580; en-US