Panasonic KX-FT21RS, Serivce Manual

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2.4. PROGRAMMING AND LISTS
The programming functions are used to program the various features and functions of the machine, and to test the machine.
Programming can be done in both the on-hook and off-hook conditions. This facilitates communication between the user and the
service while programming the machine.
2.4.1. OPERATION
There are 2 basic categories of programming functions, the User Mode and the Service Mode. The Service Mode is further broken
down into the normal and special programs. The normal programs are those listed in the Operating Instructions and are available
to the user. The special programs are only those listed here and not displayed to the user. In both the User and Service Modes,
there are Set Functions and Test Functions. The Set Functions are used to program various features and functions, and the Test
Functions are used to test the various functions.
The Set Functions are accessed by entering their code, changing the appropriate value, then pressing the SET key.
The Test Functions are accessed by entering their code and pressing the key listed on the menu. While programming, to cancel
any entry, press the STOP key.
2.4.2. OPERATION FLOW
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KX-FT21RS