Extron electronics CS 120P Guia do Utilizador descarregar pdf (Página 31)

• The impedance of the speakers downstream of the one being tested can be

measured while the system is on by connecting to the outer (LOOP) terminals

of the captive screw connector, as shown in figure 39.

Impedance Test Points

To next speaker(s)

Red Wire (+) from Ampliﬁer

Black Wire (-) from Ampliﬁer

Ampliﬁer

Test Points

Figure 39. Impedance Test Points — Loop-through Configuration

6. Insert the captive screw connector into the four-pole speaker receptacle.

4 Pole Connector

2 feet x 4 feet Ceiling Tile

Figure 40. Connecting the Wire from the CS 120P to the Speaker

CS 3T and CS 120P User Guide • Installation 26

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Extron electronics CS 120P Guia do Utilizador Página 31