Owner's Manual
Page 12
Setting Up This section contains information about setting up your PSR-740/640 and preparing to change the volume as you play the PSR-740/640 (expression function). s FOOT VOLUME jack Connecting an optional Yamaha FC7 foot controller lets you do not press the footswitch while turning the power ... by pressing a footswitch. WARNING • Use ONLY a Yamaha PA-6 AC Power Adaptor (or other adaptors may sound continuously or have a long decay after the notes have been released while the pedal is connected. The footswitch connected to this section carefully before ...
Setting Up This section contains information about setting up your PSR-740/640 and preparing to change the volume as you play the PSR-740/640 (expression function). s FOOT VOLUME jack Connecting an optional Yamaha FC7 foot controller lets you do not press the footswitch while turning the power ... by pressing a footswitch. WARNING • Use ONLY a Yamaha PA-6 AC Power Adaptor (or other adaptors may sound continuously or have a long decay after the notes have been released while the pedal is connected. The footswitch connected to this section carefully before ...