VEVOR PM8225D - Instrument Features and Measurements; Component Identification

6
Instrument instructions
①.LCD display：
It is with 4 digit 7-segment nixie tube display, 6000 counts, and
analog bar indication function.
②. Key area：
Function selection key：
Briefly press the key to switch gear function, and long press the
key for about 2 seconds to turn on or turn off VFD low-pass filter.
Attention: VFD low-pass filter only works at AC voltage gear ( ).
Maximum and minimum value key：
Briefly press the key to start the maximum or minimum value measurement, and