Global Water FP101 User Manual page 9

Global Water
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the back of the computer, ¼ turn to the left. Replace battery, + side
toward battery cover, using a CR2032, 3 volt lithium cell. After
replacing battery the calibration numbers will require resetting. (See
Appendix A: Computer Setup)
c. Cleaning:
Make sure the Turbo Prop turns freely before and after your
measurements. Blow on the prop in the direction of flow. The prop
should turn freely. If not, rinse the probe in clean water and remove
any visible strings or hair materials from the prop bearing. This should
correct the problem. If the prop still does not turn freely, remove the
prop screw and the prop, and wash them in clean water or soap and
water. Replace prop and screw. Tighten screw firmly but make sure
prop still spins freely.
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