HP 8920A User Manual page 379

AFGen2 To
Audio Out
Bursts
FM Coupling
On Time
Off Time
This audio frequency generator control contains two fields:
• The upper field determines whether the DTMF sequence modulates the RF Generator,
or is output through the front-panel AUDIO OUT connector.
• The lower field sets the amplitude (including Off).
The output level is the peak value for each tone pair, regardless of the
settings.
Pre-Emp
See Also
Twist field description, on page 381
Audio output coupling selects ac or dc coupling of the DTMF Sequence Generator
to the AUDIO OUT connector when the upper
.
Out
This field defines the number of sequences output each time
This function only works when the
This field alters the FM modulator to allow DCFM from internal and external
modulation sources. This field also selects ac or dc coupling between the RF
Generator's frequency modulator and the rear-panel MODULATION INPUT
connector.
This field sets the length of time each DTMF tone is on during the sequence.
This field sets the length of time each DTMF tones is off during the sequence.
Chapter 10, Signaling Encoder (AF Generator 2)
AFGen2 To
field is set to
Send Mode
DTMF Sequence Encoder
and
Twist
field is set to
Audio
is selected.
Send
.
Burst
379