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2.
To zero the manometer using Factory Zero, start with the
unit turn ON and in Measure Mode and use the following
keystroke sequence:
Keystroke
1.
Press MIN/MAX
and TARE keys at
the same time. (See
figure 1 above.)
2.
Press ▲ or ▼ arrow
key until desired
zero function is
shown on the bottom
line.
3.
Press the PRGM
key.
NOTE: The HHP360 can be zeroed only if the new applied zero is
within ± 1% FS of the original factory calibration zero. If outside
this limit a "ZERO RANGE ERROR" message appears and the
manometer will not zero. Contact the factory for support in this
case.
9 of 36
Display
Top line of display reads
"ZEROING SOURCE:" Bottom
line of display reads "REF TO
ABS ZERO"
Bottom line of display
reads "FACTORY ZERO"
Zeroing is complete when unit
returns to Measure Mode.
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