Owners Manual
Page 30
... To change the volume level display from the default decibel scale to a 0-to begin enjoying your hand-held device, download the free Harman Kardon AVR app from iTunes App Store for compatible Apple products, or from Google Play for compatible Android powered smartphones and tablets. ... to adjust the calibration of decibels (dB) below . HARMAN AVR App For easy control of AVR 3700, AVR 370, AVR 2700 and AVR 270 receivers that details heard in the owner's manual or on a USB drive or mix CD). The Harman Kardon AVR App controls virtually all speakers and the headphones, press the...
... To change the volume level display from the default decibel scale to a 0-to begin enjoying your hand-held device, download the free Harman Kardon AVR app from iTunes App Store for compatible Apple products, or from Google Play for compatible Android powered smartphones and tablets. ... to adjust the calibration of decibels (dB) below . HARMAN AVR App For easy control of AVR 3700, AVR 370, AVR 2700 and AVR 270 receivers that details heard in the owner's manual or on a USB drive or mix CD). The Harman Kardon AVR App controls virtually all speakers and the headphones, press the...