Vaisala DRYCAP DMT340 SERIES Guide de l'utilisateur Page 109

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Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 107
3. Select Pressure compensation and press the ►arrow button to
confirm you selection.
4. Press SET and enter the pressure value by using the arrow buttons.
5. Press OK and EXIT to return to the basic display.
Using Buttons on the Motherboard
Pressure set buttons (P
chk
and P
set
) can be used to set the process pressure.
0504-052
Figure 66 Pressure Set Buttons on the Motherboard
The numbers refer to Figure 66 above:
1
=
Pressure set button
2
=
Pressure check button
Press check button (P
chk
) and a red led will flash the current pressure
setting in bar
a
.
Press the set button (P
set
) to set the pressure value. The number of presses
equals the number of bar
a
to be set (for example, three presses = three
bar
a
). After a few seconds, the red led will confirm the setting by flashing
the new pressure value.
Using Serial Line
XPRES and PRES
Command XPRES must be used if the value is changed frequently (for
example, by an automatic system that updates the value). Its value is not
retained at reset, and when set to 0; last value set with PRES is used
instead. Use the serial line and do the following:
PRES [aaaa.a]<cr>
XPRES [aaaa.a]<cr>
where
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