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Revision F • 3/12
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4-7
4 Using the HDE-200
GPS Lock Status Indications
ARB MPS
= Arbitron PPM Encoder audio for
the HD Radio signal: white (PPM option not ac-
tive); green (has AES clock); red (no AES clock
detected)
UP LOS
= status of service to HD Exciter
DN LOS
= status of service from HD Importer
UP QOS
= Quality of Service to HD Exciter
DN QOS
= Quality of Service from HD Importer
GPS
= status of the GPS receiver (hovering over
this indicator will pop up various messages, as
shown in the illustration above, to indicate the GPS
status in more detail)
PLL
= 1 PPS clock status
Active Data Service
= type of active service
Encoding Format
= the active encoding format
(e.g., FM Hybrid MP1-11 for HD Radio using FM
transmission)