Casio SF-4985ER Calculator User Manual


 
8
Introduction SF-4900ER/SF-4980ER/SF-4985ER
Contents
Before using the unit for the first time ........................................ 1
About the EL backlight ............................................................................... 3
Introduction – SF-4900ER/SF-4980ER/SF-4985ER ..................... 4
Multiple Language Capability ......................................................................... 5
About this manual... ....................................................................................... 6
Manual conventions ....................................................................................... 7
PART 1 – Getting Started ........................................................... 13
Read this first! .............................................................................................. 13
Make back up copies of important data! ...................................................... 13
About the ARE YOU USING..... and CLEAR MEMORY..... messages13
General Precautions .................................................................................... 15
About the Power Supply .............................................................................. 15
Low Battery Message .............................................................................. 16
Battery Precautions ................................................................................. 16
To replace the batteries ........................................................................... 17
Resetting the SF Units Memory .................................................................. 19
To reset the SF Units memory ................................................................ 19
PART 2 – Operation Reference .................................................. 21
General Guide ............................................................................................ 21
Setting Up the SF Unit ............................................................................... 21
To switch power on and off ...................................................................... 21
About the Auto Power Off function... ....................................................... 22
To turn on the EL backlight ...................................................................... 22
To adjust the display contrast .................................................................. 22
To select a mode ..................................................................................... 23
To check the memory status ................................................................... 24
To use the FUNCTION key ..................................................................... 24
About the SOUND menu... ...................................................................... 25
To switch the key input and alarm tones on and off ................................ 25
About alarm types .................................................................................... 25
Inputting Letters, Numbers and Symbols ................................................ 26
To input letters and numbers ................................................................... 27
To input upper-case letters ...................................................................... 27
To shift the keyboard ............................................................................... 27
To input accented characters .................................................................. 27
To input other symbols ............................................................................ 28