R&S ZVH
Cable and Antenna Test Mode
Configuring Cable and Antenna Tests
Operating Manual 1309.6946.12 - 09
59
2.2.5.5 Working with Triggers
To respond to events, the R&S ZVH has a variety of trigger functions. The trigger can
either be external or generated internally.
► Press the SWEEP key.
► Press the "Trigger" softkey.
The submenu for setting the trigger opens. By default, Free Run is active.
In CAT mode, the R&S ZVH provides the following trigger functions.
Free Run
A new sweep starts on completion of the previous sweep. This is the default setting for
the R&S ZVH.
External Rise / External Fall
A sweep starts on the rising edge (RISE) or on the falling edge (FALL) of an external
trigger signal. The external trigger signal is fed in via the BNC connector Ext Trigger.
The switching threshold is 1.4 V, i.e. a TTL signal level.
► Select the trigger you need for your measurement.
The trigger readout (Trig) shows the current trigger setting.
When external trigger are selected, you can delay the start of the measurement with
respect to the trigger event by entering a delay time. In this way, time differences
between the trigger event and the measurement can be allowed for.
► Press the "Trigger" softkey.
► Select the "Trigger Delay..." menu item.
The R&S ZVH opens an input field to specify the trigger delay.
► Enter the trigger delay you require.
The range for the trigger delay is 0 µs to 100 s. The step size depends on the
length of the delay time.
Trigger delay
Step size
0 s to 1 ms
10 µs
1 ms to 10 ms
100 µs
10 ms to 100 ms
1 ms
100 ms to 1 s
10 ms
1 s to 10 s
100 ms
10 s to 100 s
1 s
