Peavey Architectural Acoustics AUTOMIX CONTROL 8 Manual Del Usuario página 11

Rear Panel
17. DIRECT OUTPUTS
18. MAIN OUT
19. AUX OUT
20. REMOTE VOLUME
21. MUTEBUS
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Each channel has direct output terminals that can be used for recording or anytime the
output of an individual channel is required. This signal is independent of "Automix" gain
manipulation. The nominal output level is 2.21 dBu (1 volt).
MUTE
Channels can be muted individually by shorting this terminal to ground. It provides
approximately 45 dB of attenuation.
STATUS OUTPUT
The status output is a DC logic output that is high (+5 volts) when the channel is active
and low (0 volts) when the channel is not active. This DC voltage can be used to key video
cameras or trigger key lights on active microphones.
NOTE:
Each channel can source a maximum of 10 mA.
The main output is a 600Ω, transformer balanced output that can be used to feed an
external power amplifier. It is at this point the automatically mixed or the manually mixed
output is accessed. The nominal output is 2.21 dBu (1 volt).
The aux output is a 600Ω, transformer balanced output that can be used as an additional
non-automixed output. The nominal output is 2.21 dBu (1 volt).
The master level of the mixer can be controlled remotely with a simple connection on the
back of the unit. A 10 k pot will provide approximately 0 to 25 dB of attenuation. A 100 k
pot will provide 0 to 45 dB of attenuation. If desired, a control voltage can be inserted to
command 0 to 70 dB of attenuation. The internal gain trim must be set full clockwise to
achieve the maximum attenuation range of the remote volume (refer to diagram below).
NOTE:
The control voltage should never exceed 13 volts dc.
The mutebus is a control port that when shorted to ground will mute all channels that
are assigned to the mutebus approximately 45 dB. The channels to be muted must be
assigned to the mutebus using the internal switch marked OFF/MBUS. See INTERNAL PANEL
FEATURES, page 4 and diagram page 7.
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