Woodward MRM4, Manual, Page: 128 / 460

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Ensure that a zero-modem cable is used (a standard serial cable without control wires does not enable
communication).
If »WINDOWS 2000 is running on your computer and a serial interface for
direct connection to another computer has not been established so far, the
following problem can arise:
If you have selected a serial interface in the connection assistant, it may
happen that this is not entered correctly in the dial-up network due to an
bug in the Windows operating system. Your attention is drawn to this
problem by the operational software and the error message »Warning,
invalid connection setting« will be shown.
To solve this problem, you need administration rights.
Please proceed as follows:
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Select menu point »Device Connection« in menu »Settings«.
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Select »Serial Connection«.
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Click button »Settings«.
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Change to register card »General«.
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Ensure that »Communication cable between two computers (Com X)“ is
selected in the »Drop Down Menu«. »X« = interface number where you
have connected the zero-modem cable to.
If the message »Warning, invalid connection settings« appears during
establishing the connection, this indicates that the connection adjustments
you have chosen are not correct.
On this warning you can react as follows:
»Yes«: (to set up the connection completely new).
By this, all adjustments are cancelled and the connection assistant is
opened again for renewed adjustment of the connection to the device.
This procedure is advisable in case basic adjustments cannot be modified
via the characteristics dialogue (e.g. if a new additional serial interface has
been installed on the system).
»No«: (to modify the existing dial-up network entry).
Opens the dialogue for characteristics of the connection settings. During
the dialogue it is possible to correct invalid settings (e.g. the recommended
baud rate).
»Cancel«:
The warning is ignored and the connection adjustments remain as they are.
This procedure is accepted for a limited time, but in such a case, the user is
obliged to establish a correct connection later on.
Page 128 EN MRM4 01/11