TOA 500 SERIES
CAUTION
Use the potentiometer of 10k ohms.
Make wiring lest the interference from external noise should
occur.
Short-circuiting the mute terminal on the rear panel mutes Input 3,
Input 4 and Input 5, allowing Input 1, Input 2 and Aux 3 to override the
muted inputs.
The signal attenuation amount is pre-adjusted to 30dB at the factory
and can be adjusted to 0 to 30 dB by means of muting level control.
Adjusting the muting level is with the muting level control volume on
bottom chassis as follows.
muting level control volume
(mounted on bottom surface)
Turn C.C.W.
Reduce attenuation
to 0 dB
Turn C.W.
Increase attenuation
to 30 dB
Mic 2 input provides the remote volume control, the circuit is
activated with a potentiometer 10k ohms connected to the remote
volume control terminal.
CONNECTIONS
MUTE
MIC 2 REMOTE VOLUME
Mute terminal
and MIC 2
remote volume
terminal
Mute
Switch
Remote
volume
control
potentiometer
10k ohms
Signal
level
mute terminal
shorted.
2 - 3
sec.
INPUT 3
INPUT 4
INPUT 5
Attenuation
0 -30 dB
gradually
restored.
mute terminal opened.
Time
Unpacking
Upon receipt of the amplifier shipment, please inspect for any
damage incurred in transit. If damage is found, please notify local TOA
representative and the transportation company immediately.
State date, nature of damage, whether any damage was noticed on
the shipping container, prior to unpacking. Please give waybill
number of shipping order.
Failuer
Should amplifier fail, contact your nearest TOA authorized contractor
or service center.
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