B&K Precision SEFRAM 7212 Manuel Utilisateur page 40

②. Key area：
Instrument instructions
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 long press the key for about 2 seconds to exit
the maximum or minimum value measurement.
Relative value measurement / Lighting key：
Briefly press the key to turn on or turn off the relative value
measurement, and long press the key for about 2 seconds to turn
on or turn off the light.
Data retention / LCD backlight key：
Briefly press the key to turn on or turn off the data retention
display, and long press the key for about 2 seconds to turn on or
turn off the LCD backlight.
③. Input jack area：
jack：
The positive input terminal of 10A current measurement
(connected with the red probe).
jack：
Common input terminal for voltage, resistance, diode, capacitance,
connectivity and current measurement (connected with the black
probe).
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