Vaisala WMT700 - Manual (Page 66)

TECHNICAL REFERENCE___________________________________________________________
64 __________________________________________________________________ M211097EN-C
a! — Acknowledge Active
This command ensures that WMT700 is responding to a data recorder or
another SDI-12 device. It asks the WMT700 to acknowledge its presence
on the SDI-12 bus.
a!
where
a
= The single-digit WMT700 address that corresponds to
the first character of the address value.
! = Terminates the command.
The response is the following:
a<CR><LF>
where
a
= The single-digit WMT700 address that corresponds to
the first character of the address value.
<CR><LF> = Terminates the response.
Example of the command and response:
1!
1<CR><LF>