Instruction manual

Introduction
025-9416 7
The Model 640 DAPT XTRA Installation and Repair Manual (Part No. 025-9416) covers the
hardware components of the paging terminal, installation and maintenance. This manual should
be used to perform the initial installation of the paging terminal. It also provides useful trouble-
shooting procedures for situations when the Model 640 is not functioning as expected.
The Model 640 Operating and Programming Manual (Part No. 025-9417) describes how to
program the database and use the paging terminal effectively. This manual should be used to
perform initial programming of the subscribers, telco line types, transmitters, and telephone
access databases. It should be used by the system operator(s) to learn the databases and general
use of the paging terminal. This manual also provides a useful reference during the hardware
installation procedure.
Zetron recommends storing the manuals in a convenient location. For instance, the installation
manual should be colocated with the equipment, and the programming manual should be colo-
cated with the office computer. In addition, when contacting Zetron applications engineers it is
very helpful if the appropriate manual(s) are handy for quick reference.