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The full-size VT100 terminal has a many more keyboard keys than are available on the notebook sized Z88. Vision/L emulates these keys through the special Z88 <> ◇ and [] □ keys.
Function keys are obtained by use of a unique screen display technique, which shows alternative key designations whenever the Z88 [] □ key is pressed.
The VT100 keypad keys are also available to the user at any time simply by pressing the Z88 <> ◇ key in conjunction with the relevant keypad key
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