2. OPERATIONAL DEVICES
When an address and a numerical key are pressed, the character
corresponding to that key is input once into the key input buffer. The
contents of the key input buffer is displayed at the bottom of the CRT
In order to indicate that it is key input data, a “>” symbol is displayed
immediately in front of it. A “_” is displayed at the end of the key input
data indicating the input position of the next character.
Key input buffer display
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EDIT ALM 12:35:45
Fig. 2.3.4 Key input buffer display
To input the lower character of the keys that have two characters inscribed
on them, first press the
key and then the key in question.
key is pressed, “_” indicating the next character input
position changes to “~”. Now lowercase characters can be entered (shift
When a character is input in shift status the shift status is canceled.
Furthermore, if the
key is pressed in shift status, the shift status is
It is possible to input up to 32 characters at a time in the key input buffer.
key to cancel a character or symbol input in the key input
When the key input buffer displays
and the cancel
key is pressed, Z is canceled and
Key Input and Input