Great Plains Industries FM-300HR Manual do Proprietário - Página 5
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The Cumulative totalizer register is la-
beled as TOTAL 1 LOCKED indicating
that it cannot be manually zeroed (Fig-
ure 3). The Cumulative totalizer is cleared
only when the batteries are removed or
go dead or when the Cumulative Total
reaches the maximum value of 999,999.
Changing Display Registers
During normal operation, to change to
another totalizer register or to FLOW-
RATE mode, watch the bottom line dis-
play flags while you briefly press and
release the DISPLAY button. With each
operation, the mode will advance as
follows: TOTAL 1 LOCKED (Cumulative
Total), TOTAL 2 (Batch Total), FLOW-
RATE, TOTAL 1 LOCKED (etc.). You can
change registers at any time, even dur-
ing flow. Non-visible totalizer registers
will continue to accumulate.
NOTE:
Generally, display registers
change when the buttons are re-
leased. Also, not all models include
the FLOWRATE mode.
Factory and Field Calibration
Curves
GPI flow computers have enhanced cali-
bration features. All calibration informa-
tion is visible to the user as words in the
Figure 3
upper part of the display, above the
numeric digits. There are two types of
calibration curves: Factory Calibration
and Field Calibration.
Factory Calibration curves are "preset"
by the manufacturer and stored perma-
nently in the computer's memory. Fac-
tory calibration curves always display
PRESET on the top line of the readout
(refer to Figure 2). Factory Calibration is
either in gallons or litres.
A Field Calibration curve is set by the
user. The field calibration curve may be
changed or modified at any time using
the calibration procedure described in
this Section. Totals or flowrate derived
from the field calibration are visible when
the field calibration setting is selected.
All units are configured with two Factory
Calibration curves and one Field Cali-
bration curve:
• Factory Calibration curve for thin
viscosity liquids (GAL or LTR PRE-
SET is displayed).
• Factory Calibration curve for me-
dium to thick viscosity fluids (CAL
B PRESET is displayed).
• Field Calibration curve (CAL C is
displayed).
CALIBRATION
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