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PRINCIPLES OF OPERATION
REV.A
2.5.6.7
Mode Indicator (3 LEnis) Display (XT mode)
Basic Operation
(1)
By pressing the Scroll Lock, Numeric Lock and Gaps Lock keys each
indicator are displayed alternatively (performed after the end of
key code transmission).
(2)
All displays are turned off during power on reset and initializing.
(3)
The alternative
operation does
not
take place when the
control
(Gtrl) key is pressed.
Typematic Out
:·°1
~
I
I
I
I
I
I
.
.
"
.....
Lock Key
(Data Out)
ON
I
I
I
Ctrl Key - - - - - - - - - - - -
Indication.J
ON
~-----O-N------I
...__
FIGURE 2-5-9.
BASIC OPERATION OF MODE IlIDICA'l'OR DISPLAY
Special Operations (For Germany and French)
By pressing the Gaps key, Gaps Lock indicator becomes on (light).
By pressing
the shift key, Gaps Lock indicator becomes off (Not light).
Caps Key
Typematic Out
,.
...
]
·
.
·
.
:
:
·
.
....
..
--
---
Shift Key
-------_I
Ctrl Key
L
Caps indication
~
ON
ON
L
FIGURE 2-5-10'. SPECIAL FURCTIONS OF MODE IlIDICA'l'OR DISPLAY
2-86
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