Dynacord DPM 4000 manual Connecting A PTT-Microphone, Connecting External Audio Signal Sources

DEVICE DESCRIPTIONS

Connecting A PTT-Microphone

Connecting an external PTT-microphone to the EXT- socket is possible using a special purpose cable (not supplied) and in accordance to the diagram on this page.

Therefore, it is necessary to change the input sensitivity to microphone level, as described below, by closing the two soldering-bridges “A” and “B”.

The PTT-function of the corresponding paging station has to be configured during system configuration via the PROANNOUNCE Designer software.

figure 5.44 connecting a PTT-microphone

Connecting External Audio Signal Sources

Connecting CD-Players, tape decks, etc. to the EXT- socket is possible using a special purpose cable (not supplied) and in accordance to the diagram on this page.

The input sensitivity is factory pre-set to a level of 0 dBu.

The corresponding paging console has to be configured during system configuration for the “external audio signal source”-function using the PROANNOUNCE Designer software.

figure 5.45 connecting external audio signal sources

External MIC / LINE Input (EXT socket)

As shipped, the external MIC / LINE input is set to a sensitivity of 0 dBu. Switching the input sensitivity to –45 dBu for the connection of a PTT-microphone is only possible by closing two internal soldering-bridges. Therefore, you have to perform the following steps:

1. Disconnect the paging console from the power supply.

2. Detach the bottom plate (6 to 8 screws, depending on the paging station model).

3. Close the soldering-bridges “A” and “B” according to the diagram on this page.

4. Re-attach the bottom plate.

	figure 5.46	setting the input sensitivity
5-48	PROANNOUNCE System User Handbook 1.1