LightSpeed Technologies Equalization, Connecting Speaker Wire to Back of 820/850iR, RED Black

CNXQ™ Flat-Panel Ceiling Speaker Installation Instructions for the 820/850/880iR Receiver/Amplifier

LightSPEED

Start your system installation with the

“System Installation” section of the User Manual

Step 3: Connect Speakers and Wire to the Receiver/Amplifier

A.Connect the wire coming from the speaker wire to the receiver/amplifier in the following manner based on the system type:

820/850iR (see figure 4)

i.Unscrew the red and black caps on the binding post connectors.

ii.Insert the bare red wire into the red hole that was revealed by unscrewing the red cap and the black wire into the hole on the black connector.

iii.Screw the caps back down onto the wires until they are secure.

iv.Make sure the speaker on/off switch next to the jack (850 only) is switched to the “on” position.

880iR (see figure 5)

i.Unplug the euro-block style connector from the SPEAKER 1 jack.

ii.Insert the black wire (-) into the left side of the connector and lock it down by tightening the screw on top of the connector

iii.Insert the red wire (+) into the right side of the connector and lock it down in the same manner.

iv.Plug the connector back into the SPEAKER 1 jack and lock it into the amplifier by tightening the two side screws.

v.The corresponding speaker volume knob should be left in the 12:00 position.

vi.Make sure the corresponding on/off switch on the front of the unit is in the “on” position.

B.Speaker wire should be secured to the wall and con- cealed if desired with wire mold.

Step 4: Equalization

A.Each receiver/amplifier includes an 8-band equalizer that allows users to fine-tune their classroom based on different room characteristics. Figure 6 shows the factory recommended settings for the CNXQ speaker. Since all rooms are different, this is only meant as a starting point and may require some adjustment.

B.The ideal sound is a crisp, clear sound with no feed- back. Volume levels should be set to a point you can barely hear your own voice. The goal is to try to repli- cate the sound of your voice as if the child is sitting directly in front of you, not to amplify your voice at high volumes. Because of the classroom size and constant proximity to the speaker, the system can product feedback (squealing) if the volume level is set too high.

C.Return to the “Initial Set-up” section of the user manual to complete the remaining steps of the system installation.

All LightSPEED speakers should be in

accordance with Uniform Building Code, state and local building department requirements

Connecting Speaker Wire to Back of 820/850iR

Figure 4:

RED

BLACK 1

2

Connecting Speaker Wire to Back of 880iR

Figure 5:

1	2	3	4	5	6	CH A
						PRIORITY
SPEAKER						CH
						OFF
VOLUME						24VDC
SPEAKER
OUTPUTS
						DC P

Factory Recommended EQ Setting

Figure 6:

250 400 600 1K 1K6 2K5 4K 6K3 +10

0

-10

EQUALIZER