DENON Service Bulletin OST-F969 free download

File name Service Bulletin OST-F969.PDF

100 Corporate Drive Mahwah, NJ 07430 Service Bulletin No. : OST-F969 Date: February 20, 2007 _____________________________________________________________ Model: AVR-4806 Subject: Countermeasure to improve unstable operations in the Auto Set-up function. Symptom: The following points have to be improved: 1) Accurately identify the type of speaker (large or small). 2) The accuracy of the low frequency compensation curve of the Room Equalizer. 3) To accurately judge the speaker's polarity. 4) The ability to accurately measure the distance of all the speakers. Solution: The Firmware has been improved. MODIFICATION: (Only use upon customer claim) Please install the Writer Software to your PC and update your customer's unit, by means of the Writer Software.