Vaisala PTB220 - Manual (Page 63)

C HAPTER 7__________________________________________________ ADJUSTMENT AND CALIBRATION
V AISALA _________________________________________________________________________ 57
T ABLE 7-1 Adjustment and calibration commands (*only with the
optional analog output)
Function Command
listing corrections CORR
linear corrections on/off LC ON/OFF
multipoint corrections on/off MPC ON/OFF
entering linear corrections LCI
entering multipoint corrections MPCI
calibration date CALD
entering linear corrections * DLCI *
The linear and multipoint corrections are protected by switch SW4.
The switch SW4 is normally in write DISABLE position (OFF) and
the user must change it to write ENABLE position (ON) to be able to
enter new linear and multipoint corrections to the barometer.
ON
OFF
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
S1
F IGURE 7-1 Switch SW4 in write ENABLE position (ON)
NOTE Always remember to return the switch SW4 to write DISABLE
position (OFF).
CORR Listing linear and multipoint corrections
CORR
The CORR command is used to indicate the status of linear and
multipoint corrections. In case the status is ON, the corrections and
valid date of calibration are listed. The listing varies according to the
number of transducers in the barometer.