Chapter 6 - Operation
UNITROL 1020 User Manual 3BHS335648 E82 123
Oscilloscope
Monitor \ Oscilloscope
Measurements and transients can be visualized, analyzed and stored to the hard disk
using the Oscilloscope tool of CMT1000. Up to 6 different measurement channels can be
visualized simultaneously on the black box of the Oscilloscope window (see Figure 6-19).
The signal or measurement to be displayed is configured on the right end side of the
Oscilloscope window with the options shown in Figure 6-19.
The Buffer Length defines the length of the buffer size used to record the transient data
and displays them on the black box of the Oscilloscope. The selection can be performed at
predefined values: 1, 2, 5, 10, 20, 50, 100 and higher up to 500 seconds. Each time the
Buffer Length value is changed by the user, the black box is resized in order to match with
the new value selected. The transient shown on the black box can be stored to the hard
disk afterwards; the transient data that could already pass-through the black box and is not
shown anymore, is lost (there is no additional memory or buffer).
When a set of consecutive data measurements is received with errors (i.e. due to cabling
or communication problems), the Out of Frame LED indication lights up. Under these
circumstances it is recommended to check the cabling and configuration between
CMT1000 and UN1020, in order to solve the problem. During the Out of Frame indication,
the Oscilloscope freezes and displays the last correct (error-free) measurement for each
channel, until the failure is resolved.
Figure 6-19 Oscilloscope window.
The Oscilloscope window menu and the function description of each item are explained in
Figure 6-20. The Oscilloscope can be started and stopped as explained in Figure 6-21.
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