Sonel CMP-402 Manual De Uso página 58

6.2 RANGE button
The button is used to set the measuring range.
 To enable the automatic function, press and hold RANGE
button longer than 1 second.
 To manually toggle through the measuring ranges, press
RANGE button.
6.3 Button MODE/VFD
6.3.1 Changing the measurement mode
Press briefly MODE/VFD button to switch between the available
measurement modes.
6.3.2 VFD function
To measure the AC voltage behind the inverter, frequency con-
verter or in the VFD system:
 set the rotary switch to the voltage or current measurement position,
 press and hold the MODE/VFD button until the "VFD" symbol appears.
To disable the mode, press and hold the MODE/VFD button.
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CMP-402 ● CMP-403 – USER MANUAL