HP 49g Graphing Calculator - Manual (Page 30)

Introduction
This chapter explains how to quickly get started using your HP 49G. You
I will learn how to adjust the calculator’s display and how to set various
I
modes that determine how the calculator behaves.
I
; Various ways of entering data are covered. You are also introduced—with
the help of a number of examples—to entering calculations.
Tire HP 49G has a useful alaim function. You use this function to set
yourself reminders and to rim programs at set times.
Turning on and turning oFF
Turning on
To turn on the HP 49G, press (Mj.
YTren you first turn on the calculator, a “Try to Recover
Memory?” message is displayed. You should respond by pressing
NO.
If the calculator does not turn on when you press (ON), the batteries may
need replacing. See appendix D, “Troubleshooting”, for instructions on
replacing the batteries.
If the message “Invalid Card Data” is displayed each time you turn the
calculator on, you need to initialize the calculator’s ports. See page D-6 for
instructions.
When you turn on the calculator, the screen redisplays the data that was
displayed when you last timied the calculator off.
The HP 49G has an automatic power-saving switch. This switch is
activated when there has been no calculator activity for 5 minutes. When
tliis occurs, the screen will go blank. You can restore the display—and its
contents—by pressing
When the calculator is already on, pressing (M) is equivalent to pressing
(cMS).
Page 2-2 Basic operation