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4 -
3 -
13.
Keyboard Command
This command cnecks the operation of all the keys on the
NWP-411 or NWP-410 keyboard, the beep function and interrupts.
A keyboard must be connected to the KEYBOARD PORT in order to
run this test.
In the keyboard check, a diagram showing the layout of
the keyboard is displayed on the screen and the system waits
for the user to press a key.
When a key is pressed and
released, tne corresponding place on the screen diagram
changes to reverse.
The proper operation of all the keys is
confirmed when all are displayed in reverse on the screen.
In order to test the keyboard port, press the <RETURN> key
two times in succession after hitting a few keys at random to
continue with tne next step.
In the beep function check, tne user presses any key and
conf irrns that a oeep issued from the keyboard.
(Each time a
key is pressed, a oeep is generated
by
switching between
write access and read access.)
To continue with the next
step, press <RETURN>.
If a malfunction
is
detected, tne keyboard itself and
tne keyooarJ serial port can be suspected.
Description of options:
-o: oyayuoi option
Tn1s
o~tion
is used when an index finger (Japanese:
oyayuoi) shift keyooard
(NWP-410)
is connected.
This
check does not test for simultaneous keystrokes.
-us:
us option
'I'!lis option is used
when
a U.S. keyboard Cm·JP-411) is
connecte<J.
4-22
NWS-1510/1530/1580
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