78KOS-V1000Help?TroubleshootingSome functions of this unit may be disabled bysome settings made on this unit.!• Cannot set up the subwoofer.• Cannot set up subwoofer phase.• No output from the subwoofer.• Cannot set up the low pass filter.• Cannot set up the high pass filter.▲Subwoofer is not set to On.☞(page 58)▲The Dual zone function is enabled.☞Control> (page 76)!Cannot set up the subwoofer phase.▲Subwoofer is not set to On.☞(page 58)▲Low pass filter is set to Through.☞Network Setup> (page 59)!• Cannot select the output destination of thesubsource in the Dual zone.• Cannot adjust the volume of the rearspeakers.▲The Dual zone function is disabled.☞Control> (page 76)!Cannot Folder select.▲The Scan play or Random play function isenabled.!• The Traffic Information setting is ineffective.• The Synchronize Clock setting is ineffective.• Cannot select the tuner as a Dual zonesource.▲HD Radio is in use.▲Tuner souce function is disabled.☞Setup> (page 60)!• Cannot set up the equalizer.• Cannot set up the crossover network.▲The Dual zone function is enabled.☞Control> (page 76)What might seem to be a malfunction in your unitmay just be the result of slight misoperation ormiswiring. Before calling service, first check thefollowing table for possible problems.General?The Touch Sensor Tone doesn’t sound.✔The preout jack is being used.☞The Touch Sensor Tone can’t be output fromthe preout jack.Tuner source?Radio reception is poor.✔The car antenna is not extended.☞Pull the antenna out all the way.✔The antenna control wire is not connected.☞Connect the wire correctly, referring to thesection on (page 84).Audio file source?The sound skips when an Audio file is beingplayed.✔The recording condition is bad.☞Record the media again or use anothermedia.