Omega PCL340 - Manual (Page 25)

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Note: The 0% and 100% point will be saved in non-volatile memory
until they are changed again by the user for the internal sensors, and
external pressure modules. When using an external module the 0%
and 100% are set to low and full scale of the module until the user
changes it, or if it was previously saved.
8. Minimum and Maximum Storage Capability
These Pressure Calibrators have a min/max feature for capturing the
minimum and maximum values of any displayed parameter.
The min/max function can be accessed by stepping through the menu
options until “min/max” is shown on the display above the F1 key. At
this time, pressing the F1 key will toggle the display through the
min/max values that are stored in the min/max registers. These
readings are live so that the new min/max values will be recorded
while in this mode.
To reset the min/max registers simply press the clear key. These
registers are also cleared at power-up or when the configuration is
changed.
9. Factory Setups
The Calibrator is loaded with five factory setups. These setups are
shown below.
Setup 1: The upper display is set to [P1] mode and the middle is set
to mA, lower is off.