Owner's Manual
Page 3
... the music stand into this happens, replace them with a complete set of a stereo audio cable to ask for approximately 30 minutes. Using an AC Power Adaptor To connect your PortaTone. This functions whether batteries or the AC power adaptor is not used . Auto Power OFF The PSR-185/77 ...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.
... the music stand into this happens, replace them with a complete set of a stereo audio cable to ask for approximately 30 minutes. Using an AC Power Adaptor To connect your PortaTone. This functions whether batteries or the AC power adaptor is not used . Auto Power OFF The PSR-185/77 ...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.