RIGOL Chapter 1 Quick Start
1-12 DS4000E User’s Guide
Rear Panel Overview
Figure 1-13 Rear Panel Overview
1. Trig Out/Calibration
Various kinds of signals can be output from this connector (press Utility ïƒ
AuxOutput to select the desired output type).
1) TrigOut: the oscilloscope outputs a signal that can reflect the current
capture rate of the instrument each time a trigger is generated. Connect the
signal to a waveform display device and measure the frequency of the signal;
the measurement result is the same as the current capture rate.
2) Fast: the oscilloscope outputs a fast edge signal with 500 ps rise time from
this connector and the signal can be used in the self-calibration of the
oscilloscope.
3) GND: the oscilloscope outputs a ground level from this connector.
4) PassFail: the oscilloscope outputs a TTL high level when a failed waveform
is detected until the current frame of waveform is finished and then outputs
a low level at the beginning of the next frame of waveform. This signal can
be transmitted to other control system for easy view of the test result.
2. Reference Clock
A more precise sample clock signal can be provided for the oscilloscope with the
reference clock. It can also be used to synchronize the clocks of two or more
oscilloscopes.
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