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3.3
Changing The Configuration
3.3.1
Engineering Facility Mode
There are a number of functions (engineering facilities) which are only available using an
access code. To enter the Engineering facility mode complete the following two steps:
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Dial #. The number unobtainable tone will be heard.
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Enter the Engineer PIN number (factory default is 5768). An intermittent dial tone
will be heard.
You can now carry out changes to the facilities, for example change a class of service or
change a PIN number and so on. Refer to the next table which lists the format.
If the change has been entered correctly you will hear the normal dial tone. However, if the
entry is incorrect the number unobtainable tone will be transmitted, in which case replace the
handset and retry. Care should be taken to enter each change correctly.
The exchange does not need to be rebooted after a change has been made.
NOTE: Only one change can be carried out each time the facility is used.
WARNING
If disable engineering pin is used then the only way to regain the function
is by using microAid.
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