Casio EX-830 Service Manual page 71

[ 25 ] Printing COM (RS232C) Test Result
[Function]
Prints out COM (RS232C) test results.
The printer must be connected to COM1 port at 9600 bps.
[Operation]
Operation : 4
[PRINT]
COM1
RTSx=1 → CTSx=1
DTRx=1 → DSRx=1
DTRx=1 → CDx=1
DTRx=1 → CIx=1
RTSx=0 → CTSx=0
DTRx=0 → DSRx=0
DTRx=0 → CDx=0
DTRx=0 → CIx=0
TxD → RxD
END
x: COM number
When no test has been performed after IPL or INIT
COM*
* In case of "NO TEST", the printout shows TxD RxD as failed (NG) and the rest as successful (OK).
7 ST
47
OK
OK
OK
OK Prints only COM1
OK Prints only COM1
OK
OK Prints only COM1
OK Prints only COM1
OK
47
NO TEST
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