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30. SIREN OUTPUT
31. FAN
Use to aircooled the power amplifier. Don't obstruct this air entrance.
32. REMOTE CONTROL CONNECTOR
by connecting a 15-pin d-sub connector, it is possible to control speaker zone selection and activate the chime via wired remote. connection
terminals for the remote are shown below.
connecting :
pin 1 : Remote amplifier input signal hot(+)
pin 2 : Remote amplifier input signal cold(-)
pin 3 : Remote amplifier input signal ground
pin 4 : Control zone 1
pin 6 : Control zone 2
pin 7 : Control zone 3
pin 8 : Control zone 4
pin 9 : Control zone 5
pin 10 : Control zone ground
pin 11 : DC 24V
pin 12 : Chime
pin 13 : nc
pin 14 : nc
pin 15 : nc
33. PRIORITY BUTTON
Use this switch to activate the priority function of the MIC 1 input
34. SPEAKER OUTPUTS
These output are used to connect low impedance speaker, 70V speaker or 100V speaker
35. ZONE OUTPUTS
Connect 100V speakers on each zone. Show connection after
36. PHANTOM POWER SWITCH
This switch turns the phantom power supply on or off for all channels. when the switch is turned on,
+24v dc power is supplied to pins 2 and 3 of each channel's input connector. use phantom power when connecting condenser microphones,
which require an external power supply
37. AC SOCKET + FUSE
Plug the ac power cord on this socket. before plugging this cord in, be sure the voltage of ac outlet is correct. ( 220v )
The fuse is used to protect your power amplifier from different kinds of ac problems. if the power amplifier is "on" and nothing lights, please
verify the fuse compartment. if fuse is broken, please read it and change with a new one of same size and value
SPEAKER CONNECTION
On the 4 & 8 Ohms outputs, you can connect several speakers.
Note : The total impedance of the speakers must to be from 4 to 16 Ohms. ( Two speakers in parallel = impedance divide by 2 ), Two speakers
in serie = impedance x2 )
Connect the 4 or the 8 Ohms output of the power amplifier + socket of the speaker
Connect the com socket of the power amplifier on the – socket of the speaker
Note : connect either 4 Ohms output, either 8 ohms output
On the 70V output, you can connect several PA speakers.
Note : The total power of the PA speakers is equal to power of the power amplifier. For example, if you have a 60W power amplifier and 15W
PA speaker, you must connect only 4 PA speakers ( 15Wx4 = 60W )
Connect the 70V output of the power amplifier + socket of the PA speaker
Connect the com socket of the power amplifier on the – socket of the PA speaker
Note : In P.A., for more operating security, you must to keep 20% of free power
© Copyright LOTRONIC 2012
UPC-350
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