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Keyboards and Character Sets
Using this mode, you may select any character foreign to your ((native" base character set.
Figure B-14 shows the correspondence between keys on the USASCII keyboard and the
extended characters they generate.
8 ..
,A6
, ;'AT
,
t
Iv
Ay
.'
" . I
:·t"
ENTER
Figure B-14. Extended Character Mode for USASCII Keyboard
From the keyboard, you enter Extended Characters mode by simultaneously pressing the
Control key and period key. (The Status Line displays the message:
((A 1
t
Shf
t ".) You leave
Extended Characters mode by simultaneously pressing the Control key and comma key.
Unlike the alternate character sets which end when a new line begins, Extended Characters
mode remains active until you explicitly turn it off using Control-Comma. (Extended Charac-
ters mode also ends when the terminal is turned off or a hard reset is performed.)
Being a keyboard function, Extended Characters mode only affects data entered from the
keyboard. It has no effect on data received over the datacomm lines. However, the following
special circumstances exist:
• If you enter any control codes (simultaneously pressing the
III
key and another appropri-
ate key), the code is interpreted as if Extended Characters mode were off.
• The special procedure to form mute characters does not exist in Extended Characters mode.
(Rather, you may enter these characters directly by pressing the appropriate key on your
keyboard.)
Figure B-15 shows the bit-mapping for the Roman extension character set, and Table B-3
summarizes this set.
B-11
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