"Back-up can copy Sharp MZ-80A, MZ-80K and MZ-700 BASIC and Machine Code programs. Depending on the size of programs loaded for copying, up
to a maximum of nine may be held in the memory at the same time, these may be of the same type (e.g. S-BASIC) or may be mixed (e.g. S-BASIC, SP-5025,
etc). The type of program to be loaded is selected from the main menu. At each stage full instructions are given on the screen and after each operation
is carried out a message is flashed on the screen together with audible warning to indicate that the copier is waiting for its next instruction."
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