Radio Systems Millenium-D, Installation And Operation Manual

Page: 43 / 94

Radio Systems Millenium-D Digital Console Page 43
5.1 Description – Overview
The Intercom is an optional accessory for the Millenium digital broadcast consoles. The card provides 2-way amplifica-
tion for connection of the console to any combination of four speakers or Radio Systems’ consoles. One or two cards
may be installed in a console to service four or eight stations.
5.2 Operation
With a table top speaker (Radio Systems Part #7696)
To page and speak from the speaker to the console, push and hold the button on the speaker.
To respond to or call the speaker from the console, select the speaker location on the console
4/8 position selector and push and hold the talkback button.
Release the talkback button to allow the speaker location to respond hands free.
Deselect the speaker location on the 4/8 position selector to hush the listen path.
Between two consoles
Select the console you wish to communicate with on the 4/8 position selector.
Push and hold the talkback button to page and speak to the selected console.
To respond, the selected console must select the paging console on the 4/8 position selector,
(if it is also equipped with a intercom card) and push and hold the talkback button.
Push-to-talk conversation may continue between the consoles. Console operators should dese-
lect the console on the 4/8 position selector when the conversation is complete.
5.3 Installation and Wiring
Use the plastic stand offs provided to mount the intercom card and the logic selector card (required and utilized only in
Millenium consoles) next to each other on the inside back wall of the console behind the output board.
5.3.1 Control Wiring
Install the control cable(s) provided between digital output board connector J39 for switches
1-4 and J43 for switches 5-8 and monitor board D connector J1 and intercom control connector.
The eight position switcher must be programmed for interlocked operation. See the “eight position switcher” page in the
software section for more information.
5.3.2 Intercom card audio wiring
Connect the 3-conductor control cable provided between intercom card connector J1 and analog output card connec-
tor J1. Connect the 4-conductor audio cable between intercom card connector J2 and output board Talk-Back audio
connectors J36 & J37. (For RS Series consoles only – connect J4 to the 4-position front panel mechanical switch.)
5.3.2.1 Console internal wiring
Designate and wire a console Utility bus output to the intercom talk-back input (connector J37 pins 1, 2, 3). Consult
the software section page “Utility Bus” for instructions to configure this bus for operator microphone, pre on/off and
prefader feed.
5.3.2.2 Table-top speaker wiring
Utilize up to 300’ of 2-conductor shielded cable. At the intercom card, connect the shield to GRND, the tip from the
phone plug (switch output) to call, and the ring to the other side of the call switch.