5.3 Send Identification Command (aI!)

This command is used to query Leveloggers for their SDI-12 compatibility level, model number, and firmware version number. A typical command/reply would be: 0I! 013SOLINST M20 10 1.000 1017687<CR><LF> where the first “0” is the Levelogger address, “13” represents SDI-12 V1.3 protocol support, “SOLINST ” identifies the Levelogger manufacturer, “M20” defines the Levelogger range, “10” is the hardware identifier, “1.000” specifies the current firmware version, and “1017687” represents the Levelogger's serial number.