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STS K020 Microphone and Overhead 

Speaker Installation Guide 

 

Contacta, Inc. 

The purpose of this guide is to assist in the installation of the STS K020 microphone and 
overhead speaker kit.  The STS K020 was designed to directly replace similar systems with a 
simple and easy installation.  Please read through the following instructions first before 
attempting installation.   

If you have any questions or comments, please feel free to contact us.  Our contact information 
is located at the end of this document. 

 

Components: 

A31 Amplifier 

STS-C100 Microphone module and silicone gaskets 

Customer overhead speaker 

Staff combined speaker and microphone unit 

Hearing Loop aerial window label 

Power Supply 

Steel tubing (for wiring)  

(2) 8-32 mounting studs, (6) scored 8-32 mounting screws, wire clips, hearing 
loop sticker (mounting screws for outside speaker) 

 

 

Required tools 

 Drill with 3/16 bit

, Small screwdriver. #2 Philips screwdriver. ¼” 

tube bender and cutter

 

Summary of Contents for STS K020

Page 1: ...Scott Smith Contacta Inc 616 392 3400 STS K020 Microphone and Overhead Speaker Installation Guide Preliminary Manual subject to changes and additions ...

Page 2: ...on If you have any questions or comments please feel free to contact us Our contact information is located at the end of this document Components A31 Amplifier STS C100 Microphone module and silicone gaskets Customer overhead speaker Staff combined speaker and microphone unit Hearing Loop aerial window label Power Supply Steel tubing for wiring 2 8 32 mounting studs 6 scored 8 32 mounting screws w...

Page 3: ...STS K020 Components ...

Page 4: ...bove or below the window in the desired position The speaker should be placed as close to the customer as possible to allow for the best clarity and system performance Once the bracket is in the desired location secure it to the wall Step 3 Slide the STS S27 speaker into the bracket Position the speaker to the desired angle and tighten the Allen screws For optimal performance and to aid in limitin...

Page 5: ...e the front and rear microphone plates keeping one of the gaskets on the front microphone assembly Feed the microphone cable through the window Thread two of the long 8 32 studs into two opposite holes as this will help with alignment Use painter s tape to temporarily secure the front face plate to the window Now slip on silicone gasket for the staff side of the window ...

Page 6: ... and align microphone faceplate accordingly Cut the feeder tube to the desired length and insert the wire through it Now slowly bend the tubing to the desired configuration and secure it in place Step 7 Install the staff side silicone gasket over the 8 32 studs Make sure all mounting holes align properly with the direction of the microphone wire and tubing ...

Page 7: ...s provided The scored screws may need to be cut broken down to the desired length based on the glass thickness Replace the alignment studs with screws Tighten the screws in a star configuration like you would with the lug nuts on a car s wheels ...

Page 8: ... service loop behind the driver Reconnect the two terminal connector The polarity of the wire is not critical However for consistency many installers connect the wire with the black stripe to the right most terminal screws upward and wires toward you Next plug this connector into the Cust Spkr slot on the back of the Driver ...

Page 9: ...oop then tin this wire Next strip then solder the white wire to the copper wire If you do not have a soldering iron handy tightly twist the white wire and copper wire together Connect these wires to the extra two terminal connector provided with your STS K020 kit Secure the wires in the terminals as shown with the Red wire on the right and the white copper wires on the left Plug this connector int...

Page 10: ... in your STS K020 kit NOTE Actual model may vary from the model pictured The connector with the Yellow and Black wires plugs into Staff Spkr The other connector Red White and Black wires connects to the Staff Mic slot on the back of the driver ...

Page 11: ...r the A31 Driver Connect the barrel jack from this power supply to the connector on the back of the driver Step 14 Using the included mounting screws Mount the A31 Driver under the counter in a convenient location Ensure the control panel is facing outward for easy access to the settings If possible it is recommended to leave plenty of room behind the Driver for access to the connectors Then bundl...

Page 12: ...w ready to configure the A31 Driver Use the STS set up guide for programming instructions Contact Information Technical Support service contactainc com 616 392 3400 Contacta Inc 332 East Lakewood Blvd Holland Michigan USA 49424 ...

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