Casio TK-6500 Service Manual page 46

Opeartion : d d
b: Baud rate selection
0= 156 K bps
m: Test Mode selection
1= Reception mode 1
3= Reception mode 2
dd: The other machine ID number
X: 0= Normally select 0.
1= When error is happened, print error receipt before retry operation.
Test procedure
1) Operate the reception machine first.
2) Operate the send machine. Then, the both machines are communicated each others.
3) During communication waiting time, the display will show the "-" blinking on the most
left side digit of segment display. When the data is OK, the reception/transmission
packet number will be displayed on the segment display.
NOTE1: To stop this opeartion, press any key or trun off the mode key switch.
NOTE2: The send packet data format is as follows:
DID LEN
SID
Total 508 bytes
NOTE3: In case the data is received correctly,
1) MODE 1
Reception mode 1: Check the receive data. Then, send the reverse receive
Send mode 1
This action will continue until making the stop operation.
2) MODE 2
Reception mode 2: Check the receive data only.
Send mode 2
This action will continue until making the stop operation.
RETRY OPERATION
1) Reception side: (Reception mode 1 is selected.)
2) Send side
s s b m 6 2
1= 312 K bps
2= Send mode 1
4= Send mode 2
Data
(00h to FFh,00h,01h to FBh)
data (FBh to 01h,00h, FFh to 00h) back to the send
machine.
: Then, after checking the reverse data, send the test data
again.
: Send the test data each one second continuously.
Until 7 times continuous error, retry the reception.
Over 8 times continuous error, issue the error receipt.
: (Send mode 1 is selected.)
If there are no answer from reception machine, the machine
will wait after 3 seconds, retry 7 times send operation.
Over 8 times error, issue the error receipt.
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X 7 #2 Key
ss: The machine ID number
LRC