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When using the unit for the speaker, connect a cable of
• 1.3
mm
2
to 0.5 mm
2
(AWG16-
AWG20). Select the thickest cable within this range according to the installation site. Non-
shielded cables are also available.
Do not solder the wire ends of the cable. The screws may loosen.
•
Notice on connection
Be sure to turn off the center module before connecting cables.
•
Surely check the polarities before connecting them. Wrong polarity will cause trouble.
•
Do not use cables that are damaged to avoid fire or electric shock.
•
■
Check after the installation
According to the operating instructions of the center module, adjust the sound volume of the
•
units for the speaker and the microphone to the proper levels.
Make sure that the sound clearness is maintained properly for the system operation without
•
feedback noise.