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protech QM1571 - Page 5

protech QM1571
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FUNCTIONS
Autoranging/
Manual
The meter’s default setting is autoranging. This
automatically selects the best range for the selected
test/measurement.
To set the meter to manual, press the “RANGE”
button. The AUTO icon on the screen will turn off.
Press the “RANGE” button to move through the
available ranges until you see the range you want.
To exit the manual mode and return to
autoranging, press and hold the “RANGE” button
for 2 seconds.
Manual ranging cannot be selected for capacitance
and frequency measurements.
Mode The “MODE” button helps you to move through
various operations with various icons displayed on
screen.
It works in conjunction with the function switch to
measure things like resistance, diode, continuity and
capacitance.
It also allows you to select between AC or DC
current measurements.
Function
Switch
Select a measurement range by turning the switch
to the preferred option.
LCD Screen Readings and measurements taken by the
multimeter will display in this area.
Hold &
Backlight
Press the “HOLD” button to lock readings as
displayed on the screen. Press again to unlock.
Press the “HOLD” button longer to turn the
backlight on. Press the button longer again to turn
the backlight off.
Relative
Button
Press the “REL” button to store a reading for
referencing at a later date. Then reference any new
inputs against the stored measurement.
Press the “REL” button again to cancel the relative
measurement function.
Not to be used for Hz/duty, diode and continuity
measurements.
5

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