Calculated Industries 4095-B Pocket Reference Guide - Manual (Page 37)

APPENDIX
Auto-Shut Off
Your calculator will shut itself off after about 8-12
minutes of non-use.
Reset
If your calculator should ever “lock up,” press
Reset — a small hole located above the [Angle/
Slope] key— to perform a total reset.
Batteries
This model uses two (2) LR44 batteries (included).
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.
Replacing the Batteries
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.