Vaisala MMT310 - Manual (Page 49)

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 49
Serial Bus Echo
Syntax: ECHO x
Where
x = ON/OFF (default = ON)
The command enables or disables echo of characters received over the
serial line.
All Devices in POLL Mode Send Their
Addresses
Syntax: FIND
List Commands
Syntax: HELP
Set Result Filtering
Syntax: FILT xx
Enable or disable the filtering or select the extended filter to reduce noise
of the measurement.
Where
x = ON, OFF or EXT
ON = Short filter of about 15 s (the measurement output will
show the average value of the last 15 s measurement data)
OFF = No filtering (default)
EXT = Extended filter of about 1 min (the measurement output
will show the average value of the last 1 min measurement data)