STOP command. The following data communication methods are available: • Poll Mode You can fetch the most recent data from WMT700 with the POLL command. You must specify the data message identification number in the command. • Automatic Message Mode If the automatic message interval is configured, WMT700 sends automatic data messages at selected intervals. The data message is user- configurable. More Information ‣ Serial Interface Timing (page 42) 3.4.2 Wind Measurement on Request You can set WMT700 to measure wind speed and direction fora specified period of time. The duration of the measurement can range from 0.25 seconds to 60 minutes, depending on the configured averaging interval. You can fetch the required data message from WMT700 in measurement mode with the polling command. You must specify the data message in the command.