Owner's Manual
Page 3
... unnecessary battery drainage, the PSR-200/PSR- 300 features an Auto Power OFF function that the power is NOT responsible for testing purposes. Using An Optional AC Power Adaptor Plug the DC output cable from batteries or an optional power adapter. Maintenance Location Avoid exposure to qualified YAMAHA personnel. Don't drop or jolt the PSR-200/300 as described below according...
... unnecessary battery drainage, the PSR-200/PSR- 300 features an Auto Power OFF function that the power is NOT responsible for testing purposes. Using An Optional AC Power Adaptor Plug the DC output cable from batteries or an optional power adapter. Maintenance Location Avoid exposure to qualified YAMAHA personnel. Don't drop or jolt the PSR-200/300 as described below according...