The text describes three varieties of memory functions available on the Yamaha DX1I: Interval Memory, Cartridge, and Buffer. It explains that the STORE mode allows users to exchange data among the 2-channel Voice Memory and Performance Memory in virtually any way required.
The document details specific applications for 'STORE ALL', which stores both voice and performance data simultaneously without changing memory positions or allowing transfers between main units and cartridges. It also covers 'STORE VOICE' and 'STORE PERFORMANCE', which allow storing data to specified memory positions with the ability to change locations and transfer data between the main unit and external RAM cartridges.
No, with STORE ALL, data cannot be transferred between the main unit and the cartridge.
The Buffer reads data from a Cartridge or internal memory for data editing and performance.