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E. SPECIAL DMM FEATURES AND FUNCTIONS
1. REL:{Range- ACV,DCV, OHM, DC/AC(µA,mA,A)}
REL stands for relative. When a reading is measured that is
wanted as a standard, pushing the REL function will display
the variance from the standard for all subsequent readings.
This is useful for matching components in circuits.
a) Obtain a stable reference reading on the 440.
b) Push the REL (F1) button on the 440.
c) The REL value will be displayed just above the function button
menu on the lower portion of the LCD.
d) Measure subsequent items.
e) The LCD will display the difference between the REL stored value
and the measured value.
2. PEAK HOLD:{Range- ACV,DCV, DC/AC(µA,mA,A)}
The 440 displays the MAX and MIN readings for the main
function being measured.
3. :(Range-OHM, DIODE, LOGIC)
Pushing the BZ button activates the Continuity Buzzer. The
buzzer sounds when the resistance measured is <100 Ohms.
Note: The following items are accessed by pushing the
PROG button on the 440.
{Range-ACV,DCV, OHM, DC/AC(µA,mA,A)}
REC REL% COMP EXIT
4. REC PRESS
REC REL% COMP EXIT
Pushing this button activates the Min/Max record function.
The minimum and maximum values of readings over a period
of time are displayed on the LCD.
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