Vaisala HMT310 - Manual (Page 51)

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 51
All Devices in POLL Mode Send Their
Addresses
Syntax: FIND<cr>
List Commands
Syntax: HELP<cr>
Set Ambient Pressure for Calculations
Syntax: PRES aaaa.a<cr>
Syntax: XPRES aaaa.a<cr>
Where
aaaa.a =
Absolute pressure (hPa)
The XPRES command should be used if the value is changed frequently.
Its value is not retained at reset, and when set to 0, the value set with the
PRES command is used.
Example:
If the gauge pressure is 1.4 bar, set the pressure value to 2.4 bar (= 2400
hPa)
>pres 2400
Pressure : 2400
>