Function Of Rear Plate Of Main Control Unit - Optimus EDC-1000 SERIES Installation And Operating Instructions Manual

3.2. Function of rear plate of main control unit

Note: disabled ports in grey.
(1) LINK 1 ~ 3: Connect to conference microphone unit port. One link can connect up to 25 units.
(2) L.SP-VR: Master volume-control of built-in loudspeaker of chairmen/delegate unit.
(3) STAND BY PORT: (disabled).
(4) SPEED DOME RS-485 port × 2（RJ-11): (disabled).
(5) PC DATA RS-232 port: (disabled).
(6) AC CONTROL: (disabled).
(7) Conference Out: conference system audio out. (3 lines mixed)
(8) MIC 1~3: dynamic microphone input terminal（jack 6.3 Ø).
(9) MIC 4: dynamic microphone input terminal（jack 6.3 Ø) and volume control knob.
(10) AUX 4: volume control knob, it controls the volume of external input sound.
(11) AUX INPUT: there are three external sound input terminals.(Aux 1, aux 2 and aux 4) RCA
terminal type.
(12) Conference microphone sound output terminal and external sound treatment auxiliary
terminal:
AUX OUT: direct sound output terminal which controls the system output volume. It's not
controlled by master volume adjusting knob（PRE-MASTER).
VARIABLE: direct sound output terminal which controls the system output volume. It's
controlled by master volume adjusting knob（POST-MASTER).
EQUALIZER: external sound treatment auxiliary terminal, it can connect timbre facilities such
as the external equalizer, dynamic expander. The factory setting is IN/OUT short circuit direct
output.
EDC-1000 Version 1.2
EDC-1000 SERIES
Conference System
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