Additional Information

Locking Station Assignments

To lock your telephone’s sta- tion assignment:

1Press PROGRAM.

- The display will read “Program...”

2Press the soft key under NEXT repeatedly, until “Advanced Setting” appears in the display, and then press ENTER.

3Press the soft key under NEXT repeatedly, until “Station#” appears in the display, along with the current setting.

4Press the soft key under CHANGE if you wish to change the Station # setting.

The choices are:

Station #:NORMAL (factory setting) Station #:LOCKED

5Press PROGRAM to exit.

This feature allows you to lock your telephone’s station assignment.

IMPORTANT NOTE: Under normal circum- stances this setting should be left at the factory default setting, which is NORMAL.

If your telephone is losing its station assignment, and its display keeps reverting to “Station #??”, this is due to interference on the line, and the usual solution is to find the device causing the interference and remove it from the system.

Some possible causes of interference are other brands of multi-line phones, or equipment such as security systems sharing the same line.

However, there are sources of interference that are minor and infrequent, and that do not harm the operation of the phones, yet could still cause the phones to lose their station assignments. An example of this sort of source of interference is the X-10 home control products.

It is for cases such as this that the telephones have the ability to lock the station assignments.

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TMC EV4500 manual Additional Information Locking Station Assignments, To lock your telephone’s sta- tion assignment