Nor-Cal CDG 025 OP Lit - Manual (Page 23)

CDG025-OP-LIT (2010-1) 23

Push the <ZERO> button again:
Fine adjustment
within 0...3 s: the zero adjustment value changes
by one unit (push <ZERO> button in
intervals of 1 s)
Change of direction
within 3...5 s: the zero adjustment changes its
direction (the flashing frequency of
the <RUN> LED changes briefly)
If the <ZERO> button is released for more than 5 s, the
gauge returns to the measurement mode.
The zero with Base-Pressure-Offset can also be ad-
justed via the RS232C interface (
→  [1]).
The <RUN> LED flashes if the signal output is negative.
4.3 Activating the Factory Setting (Factory Reset)
All user defined parameters (e.g. zero, filter) are restored to their
default values.
Loading of the default parameters is irreversible.
Loading the default parameters:

Put the gauge out of operation.

Keep the <ZERO> button depressed for at least 5 s while
the gauge is being put into operation (Power ON).