16, 32M (or higher) mass memory unit, simultaneously saves many work data, realizes is separated from the computer to move automatically, the close-down document does not lose, with ease realizes the batch work.
17, bringing batch tally function, provides enormously for the user measurement convenient.
18, only need a computer, then controls willfully many engraving machines, saves the great cost for the user.
19, industry in first USB data interface, supports inserts hotly pulls out, the data transmission instantaneous completes, carves does not take the computer resources.
20, Chinese liquid crystal display each kind of information, the contact surface is friendly, the operation is more flexible.