User Manual

1 Quick Start RIGOL
DS4000 User’s Guide
1-13
Rear Panel Overview
Figure 1-11 Rear Panel Overview
1. Trig Out/Calibration
Various kinds of signals can be output from this connector (press Utility 
AuxOutput to select the desired output type).
1) TrigOut: the oscilloscope outputs a signal which can reflect the current
capture rate of the oscilloscope each time a trigger is generated.
2) Fast: the oscilloscope outputs a fast edge signal which can be used in the
self-calibration of the oscilloscope.
3) GND: the oscilloscope outputs a ground level.
4) PassFail: the oscilloscope outputs a pulse when failed waveform is
detected and the pulse can be transmitted to other control system for easy
view of the test result.
2. Reference Clock
Provide more precise sample clock signal for the oscilloscope and it can also
Trig Out/Calibration Video Output LAN USB HOST AC Input/Switch
Reference Clock USB DEVICE Lock Hole
探头校准 时钟 输出 DEVICE HOST