% - nwait: number of seconds to wait before
% - set timer method 0 - MATLAB 1 - Perl
% - st - date time to start adcp plot (use format '21-July-2005 13:12:56')
% - et - date time to end adcp plot (use 'now' or format similar to
% st above
5,0,22-Jul-2005 12:00:00,now