User Manual

5 Interfaces
766 IC Sample Processor
110
5.2.10 RS232 error rectification
Problem Questions for corrective action
No characters can be re-
ceived on an attached
printer.
⇒ Are the devices switched on and the connecting cables
plugged in properly?
⇒ Is the printer set to ”on-line”?
⇒ Do the baud rate, data bits and parity for the two devices have
the same setting?
⇒ Is the handshake set properly?
If everything appears ok, try to print out a report by pressing the
<PRINT> key.
No data transmission oc-
curs and an error message
appears in the display of
the 766 IC Sample Proces-
sor.
⇒ ⇒ RS error 36……39: Receive errors.
Do the RS232 data transmission parameters of the two de-
vices have the same setting?
⇒ RS error 40……42: transmission errors.
Is the cable used correctly wired and plugged in?
Is the printer switched on and set to ”on-line”?
⇒ RS error 43: Data output of the 766 IC Sample Processor
blocked for longer than 3 s by XOFF.
The received characters
are garbled.
⇒ Do the data bits and parity of the two devices have the same
setting?
⇒ Does the baud rate of the two devices have the same setting?
⇒ Is the correct printer selected?
⇒ The data transfer has been interrupted by the hardware during
a printout. Set up connections again, switch printer off then
on.