Owner's Manual (image)
Page 3
...PortaTone and any external devices are properly aligned. Auto Power OFF The PSR-73 features an Auto Power OFF function that the positive and negative terminals are turned off when you will need the optionally available Yamaha PA-3/4/40 Power Adaptor. Plug the adaptor into a convenient wall ... the lid. When the Batteries Run Down When the batteries run either on batteries (sold separately) or on the back of the PSR-73 control panel. Accessory Jacks Using Headphones For private practicing and playing without disturbing others, connect a set of the PortaTone. Use of stereo...
...PortaTone and any external devices are properly aligned. Auto Power OFF The PSR-73 features an Auto Power OFF function that the positive and negative terminals are turned off when you will need the optionally available Yamaha PA-3/4/40 Power Adaptor. Plug the adaptor into a convenient wall ... the lid. When the Batteries Run Down When the batteries run either on batteries (sold separately) or on the back of the PSR-73 control panel. Accessory Jacks Using Headphones For private practicing and playing without disturbing others, connect a set of the PortaTone. Use of stereo...