Casio QT-2000 Service Manual page 63

Operation: (1) On the receiving unit, press [3][0][SUB TOTAL].
The LCD on the receiving unit indicates;
ASYNC RX
ESC
(2) On the transmission unit, press [n][3][1][SUB TOTAL].
n= Number of execution and should be within the range of 0 to 9.
If no number or "0" is input, the test continues endlessly.
To stop the test, press [ESC].
Display <LCD>
ASYNC TX/RX
OK: XX NG: XX
END
ASYNC TX/RX
OK: XX NG: XX
END
30
30
0
31
count up
31
Indicates "ESC" when
the test is finished
0
forcibly by [ESC].
31
31 Prints "ESC" when the
test is finish forcibly by
[ESC] button.
— 61 —
<Dot/7-segment>
Dot/7-segment display indicates 0 only when
the test is continued from the "Dot/7-segment
display test." When the test is performed
indipendently, the dot/7-segment display indi-
cates nothing.
0