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BATTERIES
The PlumbingCalc Pro uses two LR-44 batteries.
Replacing Batteries
Should your calculator display become very dim or erratic,
replace the batteries.
Note: Please use caution when disposing of your old battery,
as it contains hazardous chemicals.
Replacement batteries are available at most discount or
electronics stores. You may also call Calculated Industries at
1-775-885-4900
.
Battery Replacement Instructions
To replace the batteries, slide open the battery door (at top
backside of unit) and replace with new batteries. Make sure
the batteries are facing positive side up.
RESET
If your calculator should ever “lock up”, insert the tip of a
paperclip into the small Reset hole located above the
key
– to perform a total reset.
Summary of Contents for PlumbingCalc Pro
Page 1: ...PLUMBingCalc Pro Flow Dimensional Math Calculator Model 4094 USER S Guide...
Page 39: ...User s Guide 37 appendix G Formulas AREA FORMULAS...
Page 40: ...38 PlumbingCalc Pro SURFACE AREA VOLUME FORMULAS...
Page 44: ...Designed in the United States of America Printed in China 4 09 UG4094E A...