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5
OPERATOR MAINTENANCE
Replacing Alkaline (LR20) Batteries
All four batteries should be replaced at any one time and
in a safe area. Teledyne GMI only recommend the use of
Energizer or Duracell cells.
1. Using the Hex Driver supplied (GMI Part No. 12451),
loosen the two instrument base screws.
Fig. 5-1 Loosen Instrument Base Screws
5-1
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