Ashcroft DG25 General Purpose Digital Gauge - Manual (Page 11)

11
Z-Lock:
Utilized to prevent inadvertent re-zeroing of the
instrument.
1. In Menu mode, press
© İ
,
©
ĭ ➟
until
“ZLOCK” appears.
2. Press
©
k | |
➟
to select.
3. Press
© İ
,
©
ĭ
➟
to select “L ON” or “L
OFF” (default).
4. Press
©
k | |
➟
to select value (display
will briefly show “DONE”) and return to
Measurement Mode.
Note: If Z-Lock is activated, the gauge will
display “ZLOCK” if zero is attempted.
Re-Calibration:
Provides the user the ability to field calibrate the
product. Original factory calibration is perma-
nently retained in memory and can be recalled at
any time.
1. In menu mode press
© İ
,
©
ĭ
➟
until
“RECAL” appears; proceed to press
©
k | |
➟
.
2. Display will indicate “FACT” (factory)
“FIELD” or “NEW’ press
© İ
,
©
ĭ ➟
to
scroll.
3. Pressing
©
k | |
➟
while “FACT” (factory) is
displayed will restore values of factory
calibration.
4. Pressing
©
k | |
➟
when “FIELD” is dis-
played will restore values from latest field
calibration.
5. Pressing “Enter” key
©
k | |
➟
when “NEW”
appears will enter the recalibrate mode.
6. When “NEW” is displayed, press
©
k | |
➟
;
upon release, the display will flash “OK/
APPLY/ REF/ PSI/ THEN/ PRESS/ ENTER/
TO/ START/ OR/ OTHER/ TO/ ABORT”.
Numeric display will read .00000. Vent
sensor to atmospheric pressure, press
©
k | |
➟
display will show “WAIT” and
count down from 6 seconds then briefly
display CAL then automaticly go to next
step.
7. Display flashes “APPLY/ REF/ PSI/ THEN/
PRESS/ ENTER/ TO/ START/ OR/ OTHER/
TO/ ABORT”; apply the full scale pressure
in units of psi indicated in numeric display
to gauge. Press
©
k | |
➟
display will show
“WAIT” and count down from 6 seconds
then briefly display CAL then automati-
cally go to next step.
DG25 I&M Rev. #2_I&M006 10197 7/30/12 11:41 AM Page 11