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3.
To zero the manometer using User-Adjusted Zero, start with
the unit turn ON and in Measure Mode and use the
following keystroke sequence:
Keystroke
1. Apply a known,
accurate pressure
source. This may be
true atmospheric
pressure, with known
reference defined by a
local barometer.
2. Press MIN/MAX and
TARE keys at the
same time. (See figure
1 above.)
3. Press ▲ or ▼ arrow
key until desired zero
function is shown on
the bottom line.
4. Press the PRGM key.
5. Press any of ▲ or
arrow key or the
PRGM key to begin
editing.
Example: set current
pressure value to 29.5
inHg @ 0º C.
10 of 36
Display
Top line of display reads
"ZEROING SOURCE:"
Bottom line of display reads
"REF TO ABS ZERO"
Bottom line of display reads
"USER ADJ. ZERO"
Top line of display shows the
current non-zero compensated
pressure value. Bottom line of
display shows the same value,
along with the engineering unit.
Top line of display continuously
updates. Bottom line of display
data is ready for editing; the first
digit is blinking.
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