# Menu functions

The following functions are available in the Scope-Menu:

### Load Map File

All global variables are listed with the memory positions in the map file. With this function variables that are not mapped to parameters can be recorded. This is used mainly for software debugging.

### Save Graph

The recorded diagram is written to a file. The following graphical data types are selectable:

- PNG

- GIF

- jpg

- tif

- bmp

- emf

The data point values can also saved to a comma separated list, to import into programs like Excel.

### Load Configuration

The configuration of the scope is loaded from a file.

### Save Configuartion

The actual settings of the scope is written to a file.

### Mark Data Point

All recorded data points are marked with a small circle in the diagram. This is useful to determine the real data point from the interpolated graph.

### Set Scale to Default

All zoom and pan actions are reverted to the default axis.

### FFT

A fast fourier transformation is performed on the selected graph. The above shown test signal contains of a single frequency of 20 Hz with an amplitude of 10:

If you select the "show point values" option in the Kontext-Menu, the amplitude and position of every peak can be displayed directly.