HP 8920A User Manual page 296

Chapter 8, Signaling Decoder Screen
EDACS Decoder
Arm Meas
Data
Input Level
Polarity
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Select this field to prepare the decoder to be triggered by transmitted signaling
data. When selected, the
This area displays the decoded call request signaling data from your transmitter.
The type of data displayed depends on the
of message decoded.
This field is used to set the trigger level for the decoder. The displayed
changes as the
Level
1 kHz for EDACS decoding (assuming the
Operating Considerations
The units displayed (kHz, %, V) depends on the
This field is used to match the polarity of the data to be decoded. This field is
usually set to .
Norm
See Also
Polarity field description, on page 385
field indicates
Status:
Radio/Repeater
is adjusted. This field is normally set to
Input Level
AF Anl In
.
Armed
setting and the type
field is set to
FM Demod
setting.
AF Anl In
Trig
).