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SATELLITE RADIO RECEIVER UNIT (RRU)
The RRU is a central data-receiving unit, which is required to process
the satellite signals received by the externally mounted antenna
(purchased separately). The RRU contains the processing logic needed
to recognize, decode the incoming SIRIUS® program information and
then distribute a recognizable RF signal to the FM Switching Box .
NOTE: The SIRIUS® signal can be received and processed virtually
anywhere as long as there are no obvious Satellite Signal Obstructions
such as parking garages, tunnels.
The RRU is typically installed under the seat or in the trunk/rear of the
vehicle.
4
When pressed and held, this button allows you to switch between pre-set
channel groups 1 and 2. This button is also used to invoke the Category
Mode, which can also be achieved by Momentarily Pressing and Releas-
ing the (SFT) button then Pressing and Holding the (SFT) button again
for 2 seconds, “ENTER CATEGORY TUNE” or “ENTER CHANNEL
TUNE” will be displayed .
7. Power On/Off ( ) Button: Press this button to apply power to the
Satellite Radio Receiver system. The associated radio must be turned on
and off separately using its power switch.
This button is also used to back light the number keys when the system is
on. To do so, momentarily pressed and release the Power On/Off Button.
The back lighting will last for 10 seconds.
8. Mute Function Button: Momentarily press the shift (SFT) button;
then press and hold the Down directional (
WW
WW
W
) button to enable the audio
mute function. When enabled, the audio program is muted and the Mute
icon ( ) appears in the lower right corner of the SCU display. Press
any button to exit the mute function.
9. Scan Functions:
Scanning All Channels – [enter code (SFT)+0960+(SFT)] Momen-
tarily press the Shift (SFT) button; then press and hold the Up directional
button (
XX
XX
X
) for 2 seconds to enable the Channel Scan function. When
enabled, each channel is scanned in the either direction for 10 seconds
before moving on to the next active channel. This permits channel preview
or introductory sampling of channel programming. The channel (CH) icon
on the SCU screen will appear in reverse image (white-on-black) format.
Press any button to exit the Scan function.
Scanning Preset Channels - [enter code (SFT)+0961+(SFT)] This
function works in the same way as the Scanning All Channels mode,
except this mode will only scan the preset channels. You can configure a
total of 40 preset channels, 20 in Channel Mode (two groups of 10 chan-
nels, upper and lower) and 20 in Category Mode (two groups of 10
channels, upper and lower). Preset channel being previewed are displayed
in the lower right corner. A black number on white background indicates
that it is part of the upper group of channels and a White number on a
Black background indicates that it is part of the lower group. When
scanning these channels an indicator will appear in the right corner of the
screen.
·(SR1) = Lower Preset Channel Group (first 10 channels)
·(
SR2) = Upper Preset Channel Group (next 10 channels)
To switch between the two groups of preset channels press and hold
the Shift (SFT) button for 2 seconds until a tone is heard indicating the
switch was made.