Vaisala BAROCAP PTB330 Guide de l'utilisateur télécharger pdf (Page 118)

USER'S GUIDE____________________________________________________________________

116 _________________________________________________________________ M210855EN-D

Linear/Offset Adjustment Using

Serial Line

NOTE

Making adjustments is possible only after adjustments have been

unlocked. To unlock the adjustments, press the ADJ button on the

motherboard of the transmitter.

LCP1, LCP2, LCP3

The LCP1 command performs offset adjustment for barometer

module/module P1. The

LCP2 and LCP3 commands do the same for

modules P2 and P3. Use the commands:

- to view current linear/offset adjustments

- to activate or deactivate the linear/offset adjustment function

- to enter new offset or linear offset/gain pressure adjustments to the

transmitter.

NOTE

Each barometer module has its own adjustment commands. You must

enter the linear/offset adjustments for each barometer module

separately.

To enter new offset (1-point) or linear (2-point) adjustments:

1. Enter the command

LCP1 ? (and LCP2 ?, LCP3 ?, if

applicable) to display current pressure adjustments.

2. Write down the current settings if you want to restore the old

values later on.

3. Enter the command

LCP1 OFF (and LCP2 OFF, LCP3 OFF,

if applicable) to deactivate the previous adjustments.

4. Put PTB330 to reference pressure conditions and write down the

reference and measured P

, P

) values for linear offset/gain

adjustment.

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Vaisala BAROCAP PTB330 Guide de l'utilisateur Page 118