Kurzweil PC88 - Page 34

Chapter 2 Diagnostics
Keyboard
When you press any Keyboard key, you should see
the following in the LCD:
Pressing the C4 key slightly, you will see the key
number and key name.
SCAN 2.7 We=128 B=2.9
C4 46
Pressing the C4 key down completely, you will see
the key number, key name, key number, key name
and the pressure reading.
SCAN 2.7. W=128 B
C4 48 C4 48 P
Expected results:
The first key number and name is an indication
that the upper key contact has closed. The second
key number and key name indicates that the lower
key contact has closed.
Depending on how firmly the key is depressed, the
pressure reading (P = #) will vary between P=4 to
P=248.
PC88 Service Manual
2-16