Vehicle installation – Sirius Satellite Radio TWILIGHT ISP2000 User Manual
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strength . You can also press menu 
and then press to scroll to and 
highlight Signal Indicator . Press the 
Select button . The Satellite and 
Terrestrial bars show the strength of 
the signal being received . If the 
signal reception is good, press and 
hold menu to return to the main 
display screen .
7 Ensure onyX is tuned to channel 1 .
Upon power up, onyX should tune to 
channel 1 by default, when it’s not yet activated . If it’s not on channel 1, 
refer to “Listening to Satellite Radio” on page 55 to learn about how to 
tune a channel .
8 If you haven’t done so, turn on your vehicle’s stereo system . Set it to
play input from the cassette source .
9 You should hear XM channel 1 through your vehicle’s stereo system . You
are now ready to activate your onyX .
10 The audio level output of the onyX can be increased or decreased as
necessary to match the audio levels of other sources in your vehicle . 
Refer to “Set Audio Level” on page 89 .
If the signal reception is good, but there is no audio when tuned to channel 1, be 
sure the vehicle’s stereo system is set to the correct source, i .e ., cassette source 
(step 8) . Also be sure that the audio level is set high enough to be heard (step 10) . 
Refer to “Troubleshooting” on page 102 for additional help .
Signal Indicator
SATELLITE
TERRESTRIAL
Vehicle Installation
