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Important!
Alarm programming instructions begin on Page 40. If you
make any changes to alarm settings, or to the miscellaneous
selections listed below, you
must return to the Now Playing
Webpage
and click the
Save Changes
bar to permanently associ-
ate your changes with that preset.
Specifying the
Four ‘Selected’
HD Programs
As mentioned before, the 551 is able to decode any of the eight
HD Radio programs, but is able to process only four programs
simultaneously. HD1 is judged essential, thus leaving a choice
of three others, HD2 through HD8, for your consideration. The
chosen channels are called HD
A
, HD
B
and HD
C
.
The button matrix pictured on the previous page selects HD
programs for assignment to the
HD
A
,
HD
B
and
HD
C
program
channels of the 551. As this station is currently carrying only
HD2 and HD3 programming (in addition to the obligatory HD1),
HD2
and
HD3
have been assigned to
HD
A
and
HD
B
, and
None
as-
signed to
HD
C
. These assignments, by the way, are part of
what’s saved as part of the
Preset
Stations
data. Therefore on
other stations you may choose alternate HD Radio programs for
simultaneous decoding.
RF Input
Selection
The 551 has rear-panel connectors labeled
ANTENNA
and
HIGH
LEVEL RF INPUT
. The high-level BNC input is generally used
when a direct connection to the transmitter is preferred over
off-air signal reception.
On the
Tuner
Webpage menu,
Antenna
or
High Level
may be se-
lected under
RF Input:
. This selection also becomes a part of the
Preset Stations
data, allowing high-level input selection for your
own station and off-air reception for others, should you wish.
Mono/Stereo
Last in this group is the
FM Stereo Mode:
. This is
Stereo
by de-
fault, but may be changed to
Force Mono
if, for instance, the
lower noise during mono reception is considered essential to
some measurement. This option is saved as a
Preset Stations
condition as well.
STATION
ROTATION™
Although this feature actually appears on the
Now Playing
Webpage, it carries sufficient importance to beg its own sub-
heading here.
StationRotation
Defined
A mod-monitor is historically employed as the station’s full-
time measurement utility, giving instant alarms for out-of-
tolerance operation. Although the 551 certainly fulfills this
qualification, it has the added versatility of being able to ‘ride
herd’ over multiple stations in the local market, with some ex-
pected compromise in its primary functionality.
The 551 has the built-in capability of sequencing through all
the saved
Preset Stations
entries in the order listed, and at a rate
set by the user. This could allow a contract engineer to receive
Summary of Contents for Dante 551
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