Metrohm 766 IC Sample Processor - Manual (Page 127)

6 Appendix
766 IC Sample Processor
122
6.4.7 RS232 interface
This diagnosis step tests the functionality of the serial interface.
• Prepare instrument for diagnosis (see section 6.4.2).
• If necessary, press <ê> several times until
diagnosis
>RS232 test
•
>RS232 test
RS232 test connector ?
• Insert the 3.496.8480 test plug into the RS232 interface without
turning off the instrument.
•
The test runs automatically. If no error occurs, the following appears:
>RS232 test
RS232 test ok
• Remove test plug and press .
diagnosis
>external bus test
6.4.8 External Bus interface
This diagnosis step tests the functionality of parts of the internal EBUS
interface.
• Prepare instrument for diagnosis (see section 6.4.2).
• If necessary, press <ê> several times until
diagnosis
>external bus test
•
If no error occurs, the following identification appears on the display:
>external bus test
address 0x86 type 3
•
>diagnosis
>beeper test