Vaisala GMW90 User Manual
Page 53
Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 51
Table 9
FORM Command Parameters
Measured Parameter
Abbreviation in FORM Command
Carbon dioxide
CO2
Relative humidity
RH
Temperature
T
Dew/frostpoint temperature
Tdf
Dewpoint temperature
Td
Wetbulb temperature
Tw
Enthalpy
h
Mixing ratio
x
Absolute humidity
a
Dew/frostpoint depression
dTd
Table 10
FORM Command Modifiers
Modifier
Description
x.y
Length modifier (number of digits and decimal places)
#t
Tabulator
#r
Carriage-return
#n
Line feed
""
String constant, length 1 ... 15 characters
#xxx
ASCII code value (decimal) of a special character;
for example,
#027 for ESC
Ux
Shows the name of the measurement unit using “x” number
of characters. For example,
U3 shows the name of the
measurement unit with three characters
CS2
Modulus-256 checksum of message sent so far, ASCII
encoded hexadecimal notation
CS4
Modulus-65536 checksum of message sent so far, ASCII
encoded hexadecimal notation
CSX
NMEA xor-checksum of message sent so far, ASCII encoded
hexadecimal notation
NOTE
When entering modifiers, you can also use the backslash character “\”
instead of the hash “#”.