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Toa SX-2000 Series Installation User Manual

Page 50

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50

4. pA Link Connector [pA LINK]

this rJ45 connector connects to the SX-2100Ao’s

PA lINK (ZoNE 1 – 8, StANDBy) connector.

output audio signals are transmitted to the power

amplifier, and the power amplifier’s audio monitor

signals are returned to this PA link connector.

It is also possible to retrieve data regarding power

amplifier overheating status and blown DC fuses.

Hum noise may be generated by a ground loop

of the PA link’s audio input accidentally created in

the system. to cut off the ground loop, make the

ground lift setting referring to the procedure on

p.

96

.

5. BgM Input Terminal [BgM]

removable terminal block (5P), BGm signal input:

−10 dB*

1

*

2

/600 Ω balanced, Mute input: no-voltage

make contact.

receives BGm signals and BGm mute control

signal (make contact).

When the mute input terminals are closed, BGm

signals are muted.

[Pin function]

*

1

0 dB = 1 V

*

2

can be changed to "0 dB*

1

." (see

p. 97

.)

6. BgM volume Control [vOL.]

Adjusts the BGm input level.

If the PEAK indicator lights red, reduce the BGm

output level at the BGm source equipment or BGm

input level with this volume control.

7. DC power Input Terminal [DC pOwER IN]

connects to the VX-3000DS Emergency Power

Supply’s Dc power output terminal.

H

c

E

G

+

BGm signal input

mute input

Hot

cold

Earth

Ground

control

input

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