User Manual

14.2 External I/O
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14
Chapter 14 External Control
Connect to calibrate the 9665 10:1 Probe or 9666 100:1 Probe.
For more information about connections and calibration procedures, refer to
"Calibration" of "2.5 Connecting Attenuating Probes" in the Input Module Guide
14.2.8 Probe Calibration Signal Output (TRIG OUT/CAL)
Connect attenuating
probe
Adjust the pulse wave while viewin
g
the screen.
The TRIG OUT/CAL terminal can be used as a probe calibration output signal
terminal (CAL) or as a trigger output terminal (TRIG OUT) ( p. 392). It cannot
be used for both functions at the same time.
External Output Signals
Output signal Open collector output (with voltage output), active LOW
Output voltage range HIGH level: 4.0 to 5.0 V, LOW level: 0 to 0.5 V
Frequency 1 kHz (square wave)
HIGH
4 to 5.0 V
LOW
0 to 0.5 V
1 ms
500 μs 500 μs