clear
%fid=fopen('c:\data\test.txt','r');
fid=fopen('c:\data\knorr\serial\1\20060124133800MotionPak-Bow.txt','r');
d=fread(fid,inf,'uint8')';
fclose(fid)

% remove the VB time stamp
tbeg=strfind(char(d),'Time');
for i=1:length(tbeg)  
  d(tbeg(i):tbeg(i)+28)='%';
end
d=d(d~='%');

npts=3;  % change to 4 to see first byte shift
e=d(2:2:npts*7*2);
o=d(1:2:npts*7*2);

counts=256*o+e;

nscans=floor(length(counts)/7);
volts=reshape(counts(1:nscans*7),[7 nscans])'*5/4095;

acc=(volts(:,[4 3 2])-2.5)/1.2*9.8;
rate=(volts(:,[7 6 5])-2.5)/.027;
Tmp2=volts(:,1)*100-273.15;

subplot(311);plot(acc);
subplot(312);plot(rate);
subplot(313);plot(Tmp2);