# Speed preselection

With the mode button (12), you can preselect the required speed in three stages. Press the button as often as needed until the required setting is indicated in the speed indicator (11). The selected setting will be saved.

The required speed depends on the material and the working conditions; it can be ascertained through practical tests.

The information in the table below describes the recommended values.

| Basic speed setting at level
--- | ---
1 | 2 | 3
[min–1] | [min–1] | [min–1]
Number of speed settings |  |  |
3 | 1200 | 1700 | 2300

You can use the button for speed preselection to preselect the required speed, even during operation.