basic-features.md

@@ -17,3 +17,13 @@ Note that all the filtering options are saved and will be applied again the next
 
 Click + or - to raise or lower the signal amplitudes in the view.   
 Click Modify Gain Levels to have a better control over gain levels for each type/modality of channels.   
+
+# Time scale
+AnyWave was designed to mimic the original EEG traces written on paper. 
+So the time is represented on seconds per cm.    
+That permits a very nice display of traces event when resizing the application Window.   
+![image](uploads/761146bc5c175eb19b77e4297388b982/image.png)
+
+Click on the scale button and change the number of seconds per cm to adjust the time scale.  
+Note: there is also an option to switch the time scale to a fixed duration per page.   
+See next section.   
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