Vaisala PTB220 - Manual (Page 70)

U SER ' S G UIDE _______________________________________________________________________
64 ___________________________________________________________________ M210194 EN -A
CALD Storing the new date of calibration
CALD yyyy-mm-dd
This command is used to store the new valid date of calibration in the
memory of the barometer.
Example:
>cald
Calibration date
????-??-??
>cald 1997-01-01
Calibration date
1997-01-01
>
Changing the status (ON/OFF) of the linear or multipoint corrections
or entering new linear or multipoint corrections will automatically
cancel the valid date of calibration.
NOTE
Always remember to return the switch SW4 to write DISABLE
position (OFF).