Keyboard Diagnostics - Epson CW3S16 Operation Manual

In the upper portion of the Activity box, "Verify" will be
highlighted. In the Status portion of the Activity box, the
cylinder number will display "0," the head number will display
"0," and the sector number will display "1." When the test
has been completed, press
menu.

Keyboard Diagnostics

There is only one Keyboard Diagnostics Test: the Scan/ASCII
Code Test. This will help you determine whether the keys
depressed match their Scan and ASCII codes.
Every time you depress a key to verify its code, the scan code
and ASCII code of the key displays on the screen. The key
symbol will also be displayed on the keyboard display in its
proper location.
To perform the Scan/ASCII Code Test:
Highlight "Keyboard" in the main menu by using the left and
right arrow keys. Below this menu is another menu which lists
the Scan/ASCII Code Test. Press
screen keyboard layout to display. Scan code and ASCII Code
fields rest above the keyboard layout on the screen.
To test the keyboard, press the keys on the keyboard. The scan
codes and ASCII codes display in the appropriate fields for
each key as it is pressed. Use this test to verify the codes with
their respective keys. Performing this test will help you to
identify and faulty keys. Use the following tables to verify the
codes with the keys.
< CTRL> <BREAK>
Press
Advanced ROM Diagnostics
E-48
< ENTER
> to return to the main
< ENTER
to leave this test.
> . This causes a