HP 48gII - Manual (Page 30)

Page 1-1
Chapter 1
Getting started
This chapter is aimed at providing basic information in the operation of your
calculator. The exercises are aimed at familiarizing yourself with the basic
operations and settings before actually performing a calculation.
Basic Operations
The following exercises are aimed at getting you acquainted with the
hardware of your calculator.
Batteries
The calculator uses 3 AAA (LR03) batteries as main power and a CR2032
lithium battery for memory backup.
Before using the calculator, please install the batteries according to the
following procedure.
To install the main batteries
a. Make sure the calculator is off. Slide up the battery compartment
cover as illustrated.
b. Insert 3 new AAA (LR03) batteries into the main compartment. Make sure
each battery is inserted in the indicated direction.
To install the backup battery
a. Make sure the calculator is off. Press down the holder. Push the
plate to the shown direction and lift it.