UP-67M4, UP-127M4,
UP-247M2, UP-487
Modular amplifiers. v 2.3
Modular
amplifiers
8
(7)
GROUND TERMINAL
(8)
VENTILATION OUTPUT
Do not obstruct this output under no circumstances.
There is a fan in the rear panel, always in operation, changing its speed depending on the temperature
reached in the equipment.
(9)
ADJUST OF OPTIONAL OSCILLATORS (OSC-02)
If the amplifier is equipped with OSC-02, that control permits to adjust the oscillation signal.
To adjust the system, follow the instructions of DALA-01/DA card. The adjustment has to be done with
the speakers line properly connected to the amplifier.
Note: In installations with surveillance through DALA-01/0B set the JPA DIP switch to ON.
(10)
SURVEILLANCE
CONNECTION
These connectors are used in
installations with surveillance
through SU-114N.
Connect the SU-114N to the
power unit following the
diagram shown in figure 7.
(11)
PRIORITY
CONTROL
TERMINAL BLOCK
These contacts
allow the activation
of the amplifier
priority, facilitating
the installation
wiring. The block
diagram (figure 8)
shows an example
of typical
installation.
Figure 8
Configuration:
Pri. ctrl. In
DIP switch at AMP1, AMP2, AMP3 and AMP4
must be in OFF.
To transfer the audio from AMP1 to the rest of power
units the set the
Pro. audio bus
and
Pri. audio bus
from
AMP2, AMP3, and AMP4 to ON.
Figure 7