The behaviour of these commands is undefined. Usually they will be ignored, because they are simply overwritten by the next command, as no mouse action is recorded. It is not possible to change offset and size of the displayed spectrum. No filename, otherwise same as above. Underscore commands Be aware that these commands are not checked for unsuitable arguments.
Proper use is impossible without some idea about the internal structure of xeasy.
It is necessary to call this command after loading a peaklist, for example. Noninteractive commands do not automatically force a refresh of the screen. With this command you can move backward and foreward in the zoom history.