Batteries, Batteries -7 – HP 38g Graphing Calculator User Manual
Page 203
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Batteries
■ To change
the batteries
C A U T I O N
When battery power is low, the ((•)) annunciator stays on,
even when the calculator is off. There is also a warning
message that appears when the calculator is on.
Warning: Low Bat.
The HP 38G uses three AAA batteries.
Be sure all three are of
the same brand and type.
Rechargeable batteries are
not
recommended because of their lower capacity and more
sudden demise.
1. Turn the calculator off and place the slide cover over the
keyboard to keep from pressing keys.
Your calculator can lose memory if it is turned on while
the batteries are being removed.
2. Slide the battery compartment door off the rear of the
calculator by pressing down on the dimple and pushing
the door off.
Replace the batteries within 2 minutes to avoid memory
loss. Position the fresh batteries according to the diagram
inside the battery compartment-it is easiest to install the
flat end of each battery first.
C A U T I O N
Do not mutilate, puncture, or dispose of batteries in fire.
The batteries contain hazardous chemicals and can
explode.
Reference Information 9-7