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3.13 Factory Maintenance 
3.13.1 Accessing Factory Maintenance Menu 
To access the factory maintenance menu, select [Main Menu]→ [Maintenance >>] → 
[Factory Maintenance]and then enter the required password. 
 
The [Factory Maintenance] menu is shown below. 
 
 
 
3.13.2 Drawing Waves 
There are two methods to draw waves: Color and Mono. 
  Color: selecting Color will have smoother waveforms. 
  Mono: selecting Mono will have a wider viewing angle. 
 
 
3.13.3 Recorder 
To enable/disable the recorder, select [Recorder] and toggle between [On] and [Off]. 
 
CAUTION 
z  The recorder is disabled if [Recorder] is switched off in the [Factory 
Maintenance>>] menu.