Casio QT-2000 Service Manual page 60

(16) Low inline data transmission test
Connect two QT-2000s with a standard inline cable (RS-485).
Perform the reception unit operation first then the transmission unit.
Operation: [n][m][2][0][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.
m = baud rate (m > n) ; 0 : 1200 bps, 1: 2400 bps, 2: 4800 bps, 4: 9600 bps, 5: 19200 bps
To stop the test, press [ESC].
Display: <LCD>
L INLINE TX
OK: XX NG: XX
END
R/J print:
L INLINE TX
END
Sender
Command code: 20
20
count up
20
Indicates "ESC" when
the test is finished
forcibly by [ESC].
20
20
prints "ESC" when the
test is finished forcibly
by [ESC] button.
Inline cable: RS-485
<Dot/7-segment>
Dot/7-segment display indicates 0 only when
0
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.
— 58 —
Reciever
Command code: 21
0