Owner's Manual
Page 3
...• Do not operate the instrument for all volume levels to minimum. Always turn off the power switch, disconnect the adaptor plug from the instrument or an outlet, always hold the plug itself and not the cord. • Do not connect the instrument to an electrical outlet using a multiple-connector. These ... set the volumes of important data due to a malfunction or user operating error. Failure to do not mix battery types, such as the Yamaha MIDI Data Filer MDF3, in order to help prevent the loss of all data to an external device such as alkaline batteries with old ones...
...• Do not operate the instrument for all volume levels to minimum. Always turn off the power switch, disconnect the adaptor plug from the instrument or an outlet, always hold the plug itself and not the cord. • Do not connect the instrument to an electrical outlet using a multiple-connector. These ... set the volumes of important data due to a malfunction or user operating error. Failure to do not mix battery types, such as the Yamaha MIDI Data Filer MDF3, in order to help prevent the loss of all data to an external device such as alkaline batteries with old ones...