OWNER’S MANUAL
DMM 4650 DJGITAL MESSAGE MANAGER
Description
TheDMM4650isasignaiprocessorwhichallowsforanuniversaigenerationandcontrolofaudio-signals. Its main
purpose is the installation in electro-acoustic rack systems, but stand-alone applications are possible as
well. The audio signals can consist of alarm, gong, voice messages but also of random combinations of
these sources. The programs were created by Dynacord (preset). Anyway, it is possible for the user
(consulting company, etc.) to modify those programs and store them as user-programs. The audio input
can be mixed with the DMM 4650 internally generated audio signals (e.g. gong signals with announcements),
or given out as priority at the audiooutput (programmable).
The audio quality of the messages can be selected, depending on memory extension and different user
requirements. With maximum memory extension, a total recording time of 16 minutes is possible. Password
protection for various operation levels is provided. For ”EASY-USER”, the provided operation features are
similar to those known from cassette recorders or CD players. The control of the programs is performed
via floating inputs and floating outputs provide status messages. The priorities and functions of these
lines can be programmed individually (Setup). A computer interface facilitates saving and loading of the
unit’s configuration and its message data.
In order to ensure functional reliability, self-surveiliance and audio data verification are employed. The
alarm is ignited via internal fault-output while all warnings are logged. The DMM 4650 is maintenance-
free since no serviceable parts, batteries or accumulators are to be found inside the appliance.
