Vaisala PTB330TS Guide de l'utilisateur télécharger pdf (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

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.

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Vaisala PTB330TS Guide de l'utilisateur Page 48