
Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 31
Table 6 FORM Command Modifiers
Restores the default output message (depends on the
device configuration). Used alone.
Length modifier (number of digits and decimal places).
Abbreviation of a measured parameter, for example aw.
Outputs the measured value of the parameter, or
* characters if measured value is not available.
Unit symbol in the specified number of characters
(truncated or space filled as necessary).
String constant (free text).
Audible bell character <07h>.
Backspace character <08h>
Form feed character <0Ch>.
Line feed character <0Ah>.
Carriage return character <0Dh>.
Horizontal tabulator character <09h>.
Vertical tabulator character <0Bh>.
Data byte with the specified decimal value.
Device address (left-filled with spaces).
Modulus-256 checksum of message sent so far,
hexadecimal format.
Modulus-65536 checksum of message sent so far,
hexadecimal format.
NMEA XOR checksum of message sent so far, hexadecimal
format
Currently active transmitter errors in a four bit field.
0 = no error, 1 = error.
bit1 = Temperature measurement (T meas error)
bit2 = Not used
bit3 = Humidity measurement (F meas error)
bit4 = Internal error (Program flash check sum error)
Time since transmitter startup in format hh:mm:ss.
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