Sirius Satellite Radio Xpress RCi User Manual page 43

11
The audio level output of the Xpress
RCi
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 97.
If the signal reception is good, but there is no audio when tuned to channell,
be sure the vehicle's stereo system is set to the correct source, Le., auxiliary
input source (step 9). Also be sure that the FM Transmitter is turned Off (step
7), and that the audio level is set high enough to be heard (step 11). Refer to
uTroubleshooting" on page 110 for additional help.