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STEP EIGHT

 

  

Using either the XLR (large photo) or 
the euro-block (inset photo) 

Microphone 

Input

 connectors, plug in the desired 

paging microphone.

NOTE:

 If pre-announcement alert tone is 

required, connect switch to the two Chime 
terminals of the euro-block 

Microphone Input

 

connector. If using a condenser microphone 
that requires Phantom Power, see CommStar 
Tech Notes Figure 1, Phantom Power Supply 
section.

     

STEP NINE

  

With the back panel 

Mic

rophone 

Level

 

control fully counter-clockwise (minimum 
level), speak forcefully into the paging 
microphone and verify that the 

Mic Clip

 

LED is off (or rarely turns on).

NOTE:

 If the 

Mic Clip

 LED is on frequently, internal 

gain reduction may be required (CommStar Tech 
Notes Figure 1, Microphone Preamp Gain section).

STEP TEN

     

Still speaking forcefully into the 
paging microphone, rotate the rear 
panel 

Mic

rophone 

Level

 control 

clockwise until the desired paging 
output level is achieved from the 
sound system.

NOTE:

 If attenuation of music during a page is 

not

 desired, see CommStar Tech Notes Figure 1, 

Background Music Attenuation section.

Mic Clip LED

    

STEP ELEVEN

  

Speaking normally into the 
paging microphone, adjust the 

Mic

rophone’s 

Low

 frequency 

(large photo) and 

High

 frequen-

cy (inset photo) controls for the 
desired voice contour or timbre.

STEP TWELVE

      

If using a professional mixer, con-
nect its mono analog output to the 
euroblock 

Balanced

 line 

Input

.

NOTE:

 If music-enhanced signal process-

ing is desired for the 

Balanced Input

, see 

CommStar Tech Notes Figure 1, Balanced 
Input Signal Processing section.

     

OPTION 1

  

Use this unit’s 

Link In

 jack to connect 

a professional mixer (or other source) 
with an AES/EBU output. 

For 

Link In

 

details, see CommStar Tech Notes, Figure 5.

NOTE:

 The last speaker of one CommStar 

system may be connected to the 

Link In

 

jack of another SM1 (or a C1), allowing for 
system expansion.

OPTION 2

     

Other systems with an AES/EBU in-
put may be connected to this unit’s 

Link Out

 jack. 

For 

Link Out

 connector 

pin assignment, see CommStar Tech Notes, 
Figure 4.

NOTE:

 This unit’s 

Link Out

 may be con-

nected to the 

Link In

 of another SM1 (or a 

C1), allowing for system expansion.

     

OPTION 3

  

If remote volume control is re-
quired, only use CommStar model 
RVC, and connect it to the unit’s 

Remote Volume Control

 jack. 

For 

Remote Volume Control

 connec-

tor pin assignment, see CommStar Tech 
Notes, Figure 3.

© 2006 Altec Lansing Professional • 1000 W. Wilshire Blvd., Suite 362 • Oklahoma City, Oklahoma 73116 • Phone: 1.405.848.3108 • Fax: 1.405.848.3217 • Email: [email protected]

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