Vaisala HMP42 - Manual (Page 28)

HMI41 AND HMP42
Operating Manual
M210317EN-A
24
The correction data has now been calculated and stored in the HMI41 memory.
The HMI41 returns automatically to the selection of the display units, and can
be turned off. When the indicator is used as a standard indicator and the
correction data differs from the factory settings, an arrow in the upper
righthand corner is displayed:
RH
T °C
%
If the message “cal pass” does not appear (instead, some other text may
appear, e.g. “too close”, “err offst” or “err gain”), the correction has not been
stored in the memory. The error may be due to an incorrect reference value or
to measured values that are out of the range.