User manual

78
• With a small screwdriver, remove the screws
from the back of the case.
• From the bottom, carefully separate the front
from the back. Be careful not to damage any of
the internal parts.
• With a small screwdriver (if required), remove the
battery.
• To replace the battery, check the polarity (+ and
-) and slide in a new battery. Press firmly to snap
the new battery into place.
Important: When replacing the battery, avoid any
contact with the other components of the
calculator.
Dispose of the dead battery immediately and in
accordance with localregulations.
Per CA Regulation 22 CCR 67384.4, the following
applies to the button cell battery in this unit:
Perchlorate Material - Special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate
In case of difficulty
Review instructions to be certain calculations were
performed properly.
Check the battery to ensure that it is fresh and properly
installed.
Change the battery when:
• & does not turn the unit on, or
• The screen goes blank, or
• You get unexpected results.
30XPlusMV_OM.flpgl Page 78 Friday, November 14, 2014 1:57 PM