Match strings are set by channels that support controlling devices that use commands such as TCP/IP or Serial Port.
Ensure that
Enable TCP/IP Control
and
Enable TCP/IP Results
are enabled in
Communication
settings.
Enabling
TCP/IP Results
The command results must be read from the channel. Enabling this setting is recommended even in cases where the return value is unnecessary for the set command because it can return useful information about possible errors.
You cannot get a match string value if this option is disabled.
