How to Use this ManualThis manual is organized in such a way that if you want the B1290 to func-tion with its default settings as a simple telephone dialer, you need onlyread the first two chapters of the manual covering the physical installation,basic programming and operation. If you wish to change some of the de-fault settings or have the B1290 perform more advanced functions, con-tinue on to the next chapter where the Program Codes are described in de-tail. Several step-by-step examples of programming the B1290 into differ-ent configurations are given. The final chapter describes some of the prob-lems most commonly experienced when the B1290 is first installed, andgives advice on troubleshooting.10 How to Use this Manual