Casio fx-CG50 User Manual

ε-5
Sampling Screen
“Sound wave” records the following two dimensions for the sampled sound data: elapsed
time (horizontal axis) and volume (vertical axis).
“FFT” records the following two dimensions: frequency (horizontal axis) and volume (vertical
axis).
Selecting “Sound wave” here will display the Mic & Speaker Mode screen.
Selecting “Sound wave & FFT” or “FFT only” will display the dialog box shown below.
Selecting an option automatically configures parameters with the fixed values shown in the
table below.
Option
Parameter
2 - 1000Hz: 1 4 - 2000 Hz: 2 6 - 3000 Hz: 3 8 - 4000 Hz: 4
Frequency Pitch 2 Hz 4 Hz 6 Hz 8 Hz
Frequency
Upper Limit
1000 Hz 2000 Hz 3000 Hz 4000 Hz
Sampling Period 61 μsec 31 μsec 20 μsec 31 μsec
Number of
Samples
8192 8192 8192 4096
Using a function key (1 through 4) to select an FFT range, will cause a Mic & Speaker
Mode screen to appear.
Selecting “Sound wave & FFT” Selecting “FFT only”
•
•

Casio fx-CG50 Specifications

General

Display Type	Color LCD
Connectivity	USB
Graphing	Yes
Dimensions	188.5 x 89 x 18.6 mm
Weight	230 g
CAS	No
Storage	16 MB Flash ROM
3D Graphing	Yes
Spreadsheet	Yes
Equation Solver	Yes
Statistical Functions	Yes
Financial Functions	Yes
Power Source	4 x AAA batteries
Programming Languages	BASIC
Memory	16 MB