HP 8904A - Page 49

Model 8904A Operation
Trigger In
This signal is used to initiate a single DTMF', Tone, or Digital sequence for instruments equipped with
Option
001. It duplicates the fl Single function to start a sequence.
You can demonstrate this function by setting up a sequence and then connecting pins 9 and 14 together
to trigger the sequence. The sequence
is re-triggered each time a high-to-low transition is applied to
this pin.
Trigger Out
This pin is not used with any of the current options and does not provide a useable output at this time.
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