Satellite Radio tuner control (Optional accessory)Basic OperationSelecting Satellite Radio sourcePress the [TUN] button.Select the "SIRIUS" display.~~You need to register to the service provider to receivethe service by Satellite Radio. Consult the serviceprovider if "CALL ... TO SUBSCRIBE" appears. The radio may take a little time to start receiving afteryou select the Satellite Radio source.. If the signal reception fails, "Acquiring Signal"I"No Signal"appears.Switching Seek ModeSelect Seek Mode itemSelect the "Seek Mode" display.For how to select menu items, refer to