Yamaha YVC-1000 User Manual

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27The automatic audio tuning function automatically measures acoustic features of the location the product is installed inas well as acoustic conditions such as positions to place the microphone and speaker, and tunes the acoustic settings tothe optimal level to suit the environment the product is used in.If you have changed the installation location or installation position of the product, or if you have changed the number ofmicrophones or connected an external speaker, be sure to carry out automatic audio tuning before using the product.yThe result of automatic audio tuning continues to be saved even after the power has been turned off.■PreparationMake the following preparation to normally carry out the automatic audio tuning.• Place the Control Unit, microphones, and external speakers (if used) as used actually, and make connections.• Adjust the speaker volume so that four or more lamps light up on the level indicator.■Carrying out automatic audio tuningWhile automatic audio tuning is active, the voice guidance is replayed to explain the procedure for carrying out automaticaudio tuning.1 Hold down the tuning fork button( ) for 2 seconds or more.The tuning fork button ( ) flashes orange, andautomatic audio tuning starts.2 The acoustic measurement starts.A white noise (hissing sound) is replayed fromspeakers as the measurement sound. Duringmeasurement, stay away from the devices and keepquiet.3 The acoustic settings starts.This carries out the optimization of adaptive echocanceller settings and automatic room EQ settings,the latency compensation of external speakers, andthe calibration of frequency characteristics.If "MODE" is set to "PA MICROPHONE" using"YVC-1000 Configurator", the latency compensation ofexternal speakers will not be enabled.4 Automatic audio tuning ends.When automatic audio tuning ends, the result isnotified using the voice guidance.Also, the result is indicated by the color and lit/notlit status of the tuning fork button ( ).Each indicator status has the following meaning.• Lit (Green): Normal end• High-speed flash (Orange): Abnormal endy• Automatic audio tuning cannot be started in the followingcases.- The speaker volume is low (three or less lamps light upon the level indicator).- No microphone is connected.• If the following operation or status is detected during theacoustic measurement, automatic audio tuning is stopped.- The tuning fork button ( ) has been pressed.- When the product is connected to a PC or a Mac usinga USB cable, the speaker volume has been operatedthrough a PC or a Mac.- A microphone cable has been unplugged.- When only external speakers are enabled, no sound isoutput from them.Using the automatic audio tuning functionTuning fork buttonNote