Kenwood KDC-BT645U User Manual - Page 38
Troubleshooting Guide - microphone
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Troubleshooting Guide Some functions of this unit may be disabled by some settings made on this unit. ! • Cannot set up the subwoofer. • Cannot set up the low pass filter. • No output from the subwoofer. ▲ • "SUBWOOFER SET" of (page 17) is not set to ON. ! Cannot set up the subwoofer phase. ▲ The Low Pass Filter is set to "THROUGH". ☞ "LPF SUBWOOFER" of (page 17). ! The number of songs contained in "SONGS" category of this unit is different from that contained in "SONGS" category of iPod. ▲ Podcast files are not counted in this unit as this unit does not support the playback of podcast files. What might seem to be a malfunction in your unit may just be the result of slight miss operation or miss wiring. Before calling service, first check the following table for possible problems. General ? The operation check sound (beep sound) does not sound. ✔ The preout jack is being used. ☞ The operation check sound cannot be output for the preout jack. Tuner source ? Radio reception is poor. ✔ The car antenna is not extended. ☞ Pull the antenna out all the way. Disc source ? The specified disc does not play, but another one plays instead. ✔ The specified CD is quite dirty. ☞ Clean the CD, referring to the CD cleaning of the section on (page 3). ✔ The disc is loaded in a different slot from that specified. ☞ Eject the disc magazine and check the number for the specified disc. ✔ The disc is severely scratched. ☞ Try another disc instead. Audio file source ? The sound skips when an Audio file is being played. ✔ The media is scratched or dirty. ☞ Clean the media, referring to the CD cleaning of the section on (page 3). ✔ The recording condition is bad. ☞ Record the media again or use another media. Hands-free phoning ? The hands-free talk volume is low. ✔ The hands-free talk volume is set at a low level. ☞ The hands-free talk volume can be adjusted independently. Adjust it during hands-free talk. "MIC GAIN", "NR LEVEL" and "EC LEVEL" of (page 22). ? No sound is heard from the rear speakers. ✔ You are talking in the hand-free talk mode. ☞ No sound is heard from the rear speakers in the hands-free talk mode. ? No beep is heard at reception of an incoming call. ✔ No beep is heard depending on the type of your cell-phone. ☞ The "CALL BEEP" of (page 22) is set to ON. ? Voice is not recognized. ✔ The vehicle window is open. ☞ If the surrounding noise is large, voice cannot be recognized properly. Close the vehicle windows to reduce noise. ✔ Small voice. ☞ If voice is too small, it cannot be recognized properly. Speak into the microphone a little more loudly and naturally. ✔ The person saying the voice tag is not the one who registered the it. ☞ Only the voice of the person who registered the voice tag can be recognized. 38 | KDC-BT645U/ KDC-HD545U