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3 Basic Operation
3.1 Internal Reference Mode
The SE3001 uses the internal reference mode as the default operation mode where the chopping frequency is set by
internal reference signals.
1. Turn the SE3001 power on. The LCD display shows the logo and enters the main menu. By turning the front
panel control knob, different menu items can be highlighted. Push the control knob to select the highlighted item.
2. Set the SE3001 parameters to the following for quick internal operation:
Ref - Internal
Blade - SE1B10
Freq - set to the desired frequency
3. Finally, highlight and select “Run” mode. The SE3001 will adjust its speed and lock onto the set frequency
automatically.
3.2 External Reference Mode
The SE3001 set the chopping frequency by external reference signals in this external reference mode.
1. Attach a TTL or CMOS logic level reference signal to the INPUT BNC on the front panel. Turn the SE3001
power on.
2. Set to the SE3001parameters to the following for quick external operation:
Ref – External
Blade - SE1B10
3. Finally, highlight and select “Run” mode. The SE3001 will adjust its speed and lock onto the external reference
speed within a few seconds.
3.3 Reference-Out Signal
The SE3001 supports sync reference-out signal which has the same frequency and zero phase drift. It is output
through the OUTPUT BNC on the front panel.
