12
Rev. C / January 2012
PRS-812 Resistance Meter
If is not pressed, a h me OOPS will be displayed in the
LCD when is next pressed. To Clear OOPS, press . The instrument will
return to normal operaons.
In normal operaons erases data in Memory Register, discards most
recent measurement, or turns the funcon OFF as follows:
a. When in any operaon mode, and is not displayed, pressing
will erase all data stored in Memory.
The process of turning the funcon OFF will clear the Memory
Register of all stored data. Be sure that this is indeed desirable before
pressing the buon.
b. If a measurement is displayed in , prior to pressing buton
pushing will discard that held value and will not enter it into
Memory. Other data in Memory Register remains intact.
c. If reviewing data in the Memory Register while in the mode,
pressing will discard the displayed data point. Other data in
Memory Register remains intact and indexes down one space to replace
the discarded data point.
d. When in any operaon mode, and is not displayed, pressing
will erase all data stored in the Memory Register. Pressing OFF
will disble the mode and the instrument will be de-energized. When
powered up again the mode will remain disabled unl -
is pressed once.
Turns instrument for normal operaons, performs funconal & Baery
tests, turns instrument OFF.
Displays on LCD if baery provides acceptable voltage for accurate
measurements, or displays if unacceptable and baeries require replace
ment.
Saves measurement and prepares instrument for next test cycle, i.e., enters
measurement into Memory Register if is , and clears and the
LCD display between measurements.
Begins measurement sequence in accordance with selected mode
Baery buss cut-o switch is used to isolate the main baeries from the
instrument’s circuit during baery change, instrument storage and
transport.
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