HP 50g Graphing Calculator - Manual (Page 30)

Page 1-1
Chapter 1
Getting started
This chapter provides basic information about the operation of your calculator.
It is designed to familiarize you with the basic operations and settings before
you perform a calculation.
Basic Operations
The following sections are designed to get you acquainted with the hardware of
your calculator.
Batteries
The calculator uses 4 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 4 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.