Metrix MX 407 Manual De Instrucciones página 30

Each press of
this length...
250V
short
500V
1000V
3.2.3 key
This key is used to set the compensation for the resistance of the
measurement leads for voltage and resistance measurements, and
to activate or de-activate the backlighting.
Each press of
this length...
short VAC
VDC
k
long Any
position
To set the compensation of the resistance of the measurement
leads, proceed as follows:
1- Short-circuit the leads connected to the device;
2- Hold the key down until the display unit indicates
the lowest value. The
unit.
3- Release the key. The correction value is displayed
and stored.
3.2.4 key
This key is used to start the insulation measurement. It must be kept
pressed until the insulation measurement is stabilized. The
symbol is displayed on the screen during the measurement.
After each measurement, the HOLD symbol is displayed and the
HOLD function automatically activated.
Each press of
this length...
250V
long
500V
1000V
...serves
to hold the insulation
measurement in permanent
mode;
to exit from the TEST LOCK
mode
...serves
to set the compensation of the
measurement leads;
to activate and de-activate the
backlighting.
symbol is lit on the display
...serves
to start the insulation
measurement.
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