Futrex Body Fat and fitness Analyzer -5500A/WL - Manual (Page 34)

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Troubleshooting
2) Display shows “1999.9” or “-1999.9” a) Bad connection between Light Wand
and Probe Socket
b) Too much/too little light
a) Be sure the Light Wand is properly
inserted into to Probe Socket
b) Be sure the Light Wand is properly
seated in the Optical Standard when Zero
Adjusting.
1) Display shows “LOBAT” Batteries are low a) Replace batteries (Refer to page 4).
PROBLEM PROBABLE CAUSE CORRECTIVE MEASURES