17
High Accuracy Digital Multimeter with USB Interface
taken off the displayed value. When performing capacitance measurement,
open the red and black testing line, press
RREELL ∆∆
key to record the distributed
capacitance, and after that performing capacitance measurement again, the
distributed capacitance will have been taken off the displayed value. During
relative measurement, analog bar is always indicating the present
measurement value not the relative value. When measurement over, ‘OL’ will
display instead of showing the relative value.
NNootteess::
When going to relative value measurement under DC + AC mode, press
‘
RREELL ∆∆
’ immediately after the digits refresh.
3.13 Maximum Value/Minimum Value/Maximum-Minimum Value
Measurement
Except for frequency and diode measurements, by pressing the
MMAAXX//MMIINN
key the
meter will enter the maximum value record state. The meter measures the
present value and continuously judges if it is necessary to update the maximum
or minimum value. Pressing the
MMAAXX//MMIINN
key again will allow you to select the
minimum value. Press the
MMAAXX//MMIINN
key again to select the max-min value. The
analog bar ‘ ‘ is always indicating the present measurement
value but not the MAX/MIN value. Press the
MMAAXX//MMIINN
key for 2 seconds and then
release it, the meter will exit the MAX/MIN record state. When measurement
over, ‘OL’ will display instead of showing the MAX/MIN value.
3.14 Backlight Control
Pressing the ‘
LLIIGGHHTT
’ key, the LCD display screens backlight will be lit and after
30 seconds it will automatically go out. If you press the ‘
LLIIGGHHTT
’ key again while
the backlight is on, the backlight can be turned ‘off’ in advance.
The backlight consumes 3x more battery power than in ordinary operation.
3.15 Data Hold
By pressing the ‘
HHOOLLDD
’ key it is possible to hold the measurement value and the
state at the moment of pressing the ‘
HHOOLLDD
’ key. When pressing the key again
data measurement will be resumed.
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