Casio QT-6600, Service Manual

Page: 70 / 136

— 67 —
[ 23 ] COM (RS232C) Test
[Function]
Performs a loop back test on RS232C port.
This test does not generate a printout of the result.
To generate a printout, see “[25] Printing COM(RS232C) Test Result.”
Please refer to the illustration in "[24] COM(RS232C) Batch Test” for wiring.
[Operation]
Operation : x n 0 4 d ST
x: Specify the baud rate
0 2400 bps
1 4800 bps
2 9600 bps
3 19200 bps
4 38400 bps
5 57600 bps
6 115200 bps
n: Number of times
0 or no value
To perform a single test
A value other than 0 (1 ~ 9) Tests repeat infinitely (press ESC to terminate)
d: Specify COM port
0 Batch
1 COM1
2 COM2
3 COM3
4 COM4
5 COM5
6 COM6
[LCD]
COM1 xn04d
RTSx=1 → CTSx=1 OK
DTRx=1 → DSRx=1 OK
DTRx=1 → CDx=1 OK
DTRx=1 → CIx=1 OK
RTSx=0 → CTSx=0 OK
DTRx=0 → DSRx=0 OK
DTRx=0 → CDx=0 OK
DTRx=0 → CIx=0 OK
TxD → RxD OK
END xn04d
Displays only COM1
Displays only COM1
Displays only COM1
Displays only COM1
x: COM number