Checkline PT-DPM - Manual (Page 4)

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(-) Button: causes the display to rotate 180°. Ideal
for right-side-up viewing when sensors are pointing
away from you. Press (-) again to restore display
position.
(+) Button: freezes the display. The instrument will
measure one more time, then hold all values and
display the hold icon . Press (+) again to unfreeze
the display. This feature does not work while in
Memory Mode.
Button: accesses the instrument menu (pg. 5).
Within the menu, the button is used to select an
option.
Smart Trend TM Indicators - identify rising, falling
or stable readings. The instrument compares each
measurement with the average of recent values in
an attempt to provide the current direction of change.
While the absence of an arrow does not necessarily
signify stability, it can be taken to mean that particu-
lar parameter is undergoing little or no change. Slow
changes in a parameter could therefore occur
without being noted by an indicator arrow. When
instructed to manually store a dataset into memory
(pg. 6), the instrument will wait for these Smart Trend
Indicators to disappear before recording all values to
memory.
Button Shortcuts:
Smart Trend
Indicators