Field Descriptions For Encoder Modes - HP 8920A User Manual

Chapter 10, Signaling Encoder (AF Generator 2)

Field Descriptions for Encoder Modes

Field Descriptions for Encoder Modes
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The Encoder (AF Generator 2) uses several screens to generate various signaling
formats. These screens are accessed by selecting
menu, and then selecting the
The screen and field descriptions for each Encoder screen are listed in the
following order:
• AMPS/NAMPS-TACS/NTACS
• CDCSS (Continuous Digital Controlled Squelch System)
• Digital Paging
• DTMF (Dual-Tone-Multi-Frequency Signaling Encoder)
• EDACS (Enhanced Digital Access Communication System)
• Function Generator
• LTR (Logic Trunked Radio: Registered trademark of EF Johnson Company)
• MPT 1327 Trunked Radio
• NMT (Nordic Mobile Telephone)
• Tone Sequence
When the Test Set is turned on, AFGen1 defaults to 3 kHz FM at a
1 kHz rate. This can interfere with many Encoder signaling formats also being used as an
FM source. Therefore, we recommend you turn AFGen1 off on the RX TEST, DUPLEX
TEST, or RF GENERATOR screen before using the encoder.
ENCODER
field.
Mode
from the
To Screen