IBM 3270 Operator's Manual page 84

Click ( c1J )
Key
The Click (
r3J)
key enables you to turn the keyboard clicking sound on or
off for normal operation. Pressing the Click key when the keyboard clicker
is working causes the clicker to stop. Pressing the Click key a second time
causes the clicker to operate.
It is important to know that generally:
(t
When you have the clicker turned on, the click tells you the keyboard is
operational and the data you are keying is being accepted. In this case,
absence of the click indicates the keyboard is disabled.
(t
When you have the clicker turned off, the absence of the click tells you
the keyboard is operational and the data you are keying is being accepted.
In this case, the presence of the click indicates the keyboard is disabled.
Therefore, by being aware of the clicking, or of its absence, you can tell when
the operation of your keyboard is not normal.
TEST Key
Pressing the TEST key when the ALT key is held down perpares your display
station to run tests that reside in the control unit. When the TEST key is
pressed with the ALT key held down the following actions occur:
1. The display screen is cleared.
2. The TEST message appears in the Operator Information Area.
3. All Do Not Enter ( )( ) messages in the Operator Information Area are
removed except)(
CJ-C:]'::( .::(, )( CJ-C]'::(
,and )(
~
(If
any of these messages is displayed, the TEST key is inoperative.)
When your display station is in this Test mode, you can run the tests that are
described in your 3278 Problem Determination Guide.
When you have finished
running tests, press the TEST key (with ALT held down) again.
88
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08
...., TEST. . . . •
Ompter 3. Keyboards 3-39