
— 33 —
Bars and Dots
‘Hovering’ over a yellow-only bar pops up only the
Freq:
and
RSSI:
in a pop-up box. At the completion of an
RSSI + RDS
scan, a yellow bar with a red dot indicates a station with RDS.
Hovering over an RDS station will also present call letters and
the PTY (Program TYpe) information as shown in the example.
A full RSSI + RDS scan will also create a list of those stations
with RDS below the scan area. These will be listed in ascending
frequency order along with their
PI
,
Callsign
, RDS
PTY
and
RSSI
values. Click on any station’s frequency to immediately tune
the 541 to that station and be taken to the
Now Playing
Webpage.
RDS INFORMATION
RDS Info
This 541 Webpage presents a comprehensive display of the
RDS information that now accompanies the majority of analog-
FM transmissions. (Note the red dots in the illustration on the
previous page.)
The upper area of the
screen shows the more
important blocks of
RDS data: the static or
scrolling
PS
; the
PI
Code
, either assigned
or (in the US and Can-
ada) derived from the
Callsign
;
RadioText
and
its interactive
RT+1
and
RT+2
derivatives;
plus other IDs and ‘flags’ that assist RDS receivers in respond-
ing to system commands.
Next down the page is an analysis of the
RDS Block Error Rate
.
This is useful in
trou-
bleshooting
RDS is-
sues. Below that is a
dynamic and statisti-
cal presentation of all
RDS data groups, in-
cluding the percentage
of the RadioData total
each group represents.
Finally, if the station
has an AF List,
Alterna-
tive Frequencies
are to-
taled, each is listed,
and proprietary
Open
Data Applications
are to-
taled and shown.
Summary of Contents for Inovonics 541
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