Vaisala HMP240 User Manual
Page 90
HMP240
Appendix 1: Serial commands
M210300en
88
XPRES
Setting the pressure for mixing ratio and wet bulb
temperature calculations temporarily
XPRES pppp.pp
pppp.pp =
pressure (hPa)
The function and format of XPRES are the same as those of the PRES com-
mand except that by using XPRES the setting is valid only until a reset is
given or power is turned off or pressure is set to zero using XPRES. After this
the pressure stored using command PRES is valid again.
CDATE
Entering calibration date
CDATE xxxxxx
xxxxxx =
calibration date (000101...991231)
When the latest calibration date has to kept in memory, it is entered as fol-
lows:
>CDATE 940506
If the command is given without the date, the transmitter outputs the latest
calibration already in memory.
>CDATE
940420
The date can be given in any format; however, the maximum number of digits
is six.
DATE
Setting the date
DATE
For example, to enter a new date:
>DATE
Current date is 1993-01-30
Enter new date (yyyy-mm-dd) : 1993-06-12
When the current date is asked, the new date is passed with
TIME
Setting the time