Vaisala PTB330TS - Manual (Page 48)

User's Guide ______________________________________________________________________
46 ___________________________________________________________________M210983EN-A
attempting to readjust the barometer module. As the previous linear
corrections will disappear when new linear corrections are input, the
user has to take into account the previous linear corrections when
deciding about the new ones.
Opening and Closing the
Adjustment Mode
The adjustment mode has to be available before you can proceed with
the adjustment and calibration. The adjustment button with indicator
LED is located in the upper corner on the left-hand side of the
motherboard. See the position of the adjustment button in
Figure 21 on
page 47 .
1. Open the barometer cover.
2. Press the ADJ button. The adjustment mode is now available. The
red indicator LED is on.
3. Press the ADJ button again to end the adjustment mode. The red
indicator LED is off.
NOTE Entering new linear or multipoint corrections will always cancel the
previous corrections. It is advisable to write down the previous linear
and multipoint corrections so that they will not be lost by mistake.
Table 7 Adjustment and Calibration Commands for Module
P1
Command Function
LCP1 ON/OFF Enables/Disables the linear
corrections
LCP1 Enter linear corrections
MPCP1 ON/OFF Enables/Disables the multipoint
corrections
MPCP1 Enters multipoint corrections
CDATE Shows or sets the calibration date
CTEXT Shows or sets the calibration info
text.