Ashcroft GC31 - Digital Pressure Sensor - Manual (Page 16)

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Loop check function
At the end of the Switch Operation Menu is the Loop Check function. Using the MODE key
to select the Loop Check function. After lop is displayed for 1 second, the value of the lat-
est measurement mode is displayed as default. Use
ᮡ ᮢ keys to set displayed value any-
where between –1999 and 1999 to confirm switch operations and/or analog output operation.
12. OTHER FUNCTIONS
Basic Key Operations
In all setting modes, values are set with the ᮡ ᮢ keys. Use the ᮡ key to increase and
the ᮢ key to decrease the value. A repeat state occurs in three phases of speed when the
ᮡ ᮢ keys are pressed for more than 0.5 seconds to increase or decrease numerical value.
ᮡ ᮢ keys are also used for setting switch, unit and filter in the function setting mode.
Re-Zero of Sensor
In measurement mode, select display to adjust zero using key. Press MODE + ᮢ keys for
more than 3 second (until “---” display blinks) after releasing pressure from the pressure port.
Automatic zero adjustment takes place approximately 1 second later for pressure display to
be zero.
When the zero adjustment is successful, Adj is displayed.
Error displays e-0 for 1 second when applied pressure was outside of range of –5 to 5%
FS, zero adjustment will not be allowed.
I&M011-10170 GC31:layout 4/8/10 3:26 PM Page 16