Vaisala PTB330 - Manual (Page 124)

USER'S GUIDE____________________________________________________________________
122 _________________________________________________________________ M210855EN-D
Using Serial Line
ACAL
The ACAL command adjusts the analog output (if an AOUT-1
module is present). Connect a multi-meter to the analog output and
input measured voltage/current values.
First, press the ADJ button inside the motherboard to enable
adjustments.
ACAL [x]
where:
x = 1
Example:
>acal 1
1st value ? 0.11
2nd value ? 0.92
>