function s=cmdb(spo,command,delayt)

%    SOSI-M2 V1.0 MATLAB M-file
%
% Send command, wait delay, return response
%
% Args: s=scmdb(spo,command,delayt)
%
% spo: serial port object
% command: text string, see SOSI manual
% delayt: delay in milliseconds between sending command and reading reply
%
% s: reply string from SOSI

    s='';
    fprintf(spo,command);
    pause(delayt);
%i=0;
    while spo.BytesAvailable > 5
        s=fgetl(spo);
%	s=strcat(s,s1);
% i=i+1;
% sprintf('%d: %s',i,s)
    end