Contacta STS-K072 User guide

Brand: Contacta

Model: STS-K072

Type: User guide

Contacta STS-K072 is a window intercom system designed to provide clear communication in situations where normal speech is impaired by barriers like glass or security screens. It features a speaker pod, screen-mounted microphone, and staff pod for effective two-way communication. The system includes an optional hearing loop facility to assist hearing device wearers. Installation involves connecting the components to the amplifier and positioning them appropriately on both sides of the counter or window. The amplifier allows for volume adjustments and fault detection.

Installation &

User Guide

Window Intercom System

Speaker Pod and Screen Mounted

Microphone - STS-K072

April 2021

Contents

Product Overview

Components

Connections

Installation Instructions

Speaker & Microphone Kit Installation

  StaSideInstallation

Customer/Visitor Installation

Hearing Loop Installation

 AmplierSetup

Troubleshooting

Engineer’s Mode

Contactahasapolicyofcontinuousproductdevelopment,andthereforesmallspecication

changesmaynotbereectedinthismanual.Images,labels,packaging,accessoriesandproduct

coloursaresubjecttochangewithoutnotice.

Speaker & Microphone Components

Product Overview

Window intercom systems provide assistance for clear communication where

normal speech is impaired by use of glass, a security screen or other similar

barriers.

There is an optional hearing loop facility, providing additional assistance for

hearingdevicewearers.

1. Installation and User Manual

2. Amplier

3. IEC Lead

4. Power Supply

5. HearingLoopAerial

(optional)

Fixing Kit:

• Adhesive Clip x 10

• No.6x1/2”CountersunkScrewsx15

• P-Clips x 6

General Components

1. Speaker Pod

2. StaPod

3. Screen Mounted Microphone

with Bent Stem

Connections

LED connection or alert tone (if required)

CondenceLEDtoconrmthesystemispowered

oranalerttonefortheattentionofsta

Stamicrophone

Customer/visitor microphone

CondenceLED(ifrequired)forstatusalerts

and fault detection

Hearing loop aerial

Line in connection for

external audio source

Staspeaker

Customer/visitor speaker

Power input

connection

Use power supply

through ground

supply only

Werecommendthatinstallationiscarriedoutbyaqualiedengineer,

adheringtorelevantstandards.

Checkthecontentsoftheboxtofamiliariseyourselfwiththecomponents.

Installation Instructions

A basic toolkit recommended to install the system will include:

Trim cables if necessary (excluding the power supply)

to the required length to connect to the back of the

amplier.Bareapproximately6mmofthecableendsto

connecttothe2pinplugs.

• Wire Cutters/Strippers

• Tape Measure

• Pencil or Marker Pen

• Cable Ties

• Trunking

• Screwdrivers(FlatorBlade2.5mm

and Phillips Head PH2)

• Battery or Mains Drill

• Drillbits: 2mm, 3mm, 5mm and 7mm

• Cable Tacking Gun (10mm)

Recommended Tools

Staff Counter Side

Customer / Visitor

Counter Side

StaPod

Screen Mounted

Microphone

Speaker Pod

Negative -

or screened cable

Positive +

1. Placetheamplierunderthestacounter,ensuringthatitwillnot

obstructstawhentheyaresitting.

2. Markthefourxingpointsfortheamplierunderthecounter.

4. Drillandxtheamplierinplaceusingthesuppliedscrews.

6. Installtheamplier’spowersupplyclosetoapowersocketoutletusing

thesuppliedmountingbracketandxingscrews.

Fixing points

AmplierInstallation

Microphone & Speaker Installation

1. Position the screen mounted microphone stem’s on the customer side of

thecountertop.

2. Markthe2xingpointsand1cableroutereadyfordrilling(seethe

diagrambelow).

3. Drillpilotholesforthexingsandacableholeifneccesary.

4. Feedwiringthroughthecableholebacktotheamplierandxthe

microphoneinplaceusingthesuppliedscrews.

5. Fix the microphone head to the screen using the double-sided pad

supplied.

6. Placethestapodonthestasideofthecountertop,ensuringit

doesnotcauseanobstructionandisasclosetostaaspossible.The

recommended minimum distance between this pod and the screen

mountedmicrophoneis300mm.

Staff Counter Side

Customer / Visitor

Counter Side

StaPod

Screen Mounted

Microphone

Speaker Pod

7. Place the speaker pod on the customer side of the counter top, ensuring it

doesnotcauseanobstruction.

8. Speakerpodsandstapodscanbeeitherfreestandingorxed.Moveto

step14ifyoudonotwishtoxthepodstothecounter.

9. Usecablemanagementholesinthecountertorunthestapodand

speakerpodcablestotheamplier.Iftherearenotalreadycable

managementholes,drillsuitablelocationsneartherearofboththesta

andcustomersidesofthecounter.

10. Thereare2xingmethodsforthespeakerpod/stapod.Eitherxthe

pods to a surface using (a) the provided double-sided sticky pad or (b) the

providedscrews.

a. Toxthepodinplaceusingthedouble-sidedadhesivepad:

i. Removeonesideofthelinerandadherethistothebaseofthe

podcentrally.

ii. Removethesecondlinerandadherethepodinitsdesired

location.

b. Toxthepodsusingthescrews:

i. Screwx2countersunkscrewsintothexingsurfaceata28mm

distanceapart.

ii. Ensurethatapproximately4mmofthescrewheadisabovethe

xingsurface.

28mm

User direction

90 degrees

Note: Place the screws at a 90 degree angle facing the intended

28mm

users’standingposition.

iii. Placeyourpodontothescrewheads,ensuringthesetintothe

twistxingpointslocatedonthebottomoftheunit:

iv. Twisttheunitclockwisetotightenitinplace.Ifthepodistootight

orloose,adjustthescrewsaccordingly,thenre-attach.

11. Toxthemousemicrophonetoasurface,usetheprovideddouble-sided

xingpadorscrewthroughthescrew-holeinitscap.

12. Feedthewiresthroughthecablemanagementholes.

13. Avoidlooseortrailingcables.Usetrunkingortopreventtriphazardsor

unitsbeingtuggedfromtheirposition.

14. Routeallcablingneatlytotheamplierlocationonthestaside.

Theaerialshouldbexedunderthedesk-toporcountercentrallyonthe

customerorvisitorside,onehalfmountedhorizontallyunderthecounterand

theotherhalfmountedvertically,facingthecustomer/visitor(asintherst

scenariobelow).

Position the aerial under the counter using either the provided P-clips

oranotherxingmethodofyourchoice.Seethediagrambelowfor

recommendedpositioning.

Aistheoptimumlayoutforacounterhearingloop.

B and C are acceptable only if A is not possible and the layout is aligned so

thatthemagneticeldwillbedirectedtowardsuser’sheadheights.

Ensureallhearingloopsignageisdisplayedclearly.

X

Hearing Loop Installation

(Optional)

A B C

AmplierSetup

1. Connectallgreenplugstothebackoftheamplier,followingthe

locationsprintedabovethesockets(seepage4).

2. PowerontheamplierbypressingtheOn/Obutton.

3. Whenpoweredandinnormaloperationalmodetheamplierwilldisplay

VolumeInLED1andVolumeOutLED1assteadygreen.

4. Whentheamplierisswitchedo,allaudioismutedandnoneofthe

LEDsareilluminated.Pressinganybuttonwillturntheamplieronagain.

5. AdjustVolumeInandVolumeOuttoacomfortablelevel.

6. Press and hold the Volume In (+) or (-) buttons to increase or decrease the

level.ThecorrespondingLEDbarwillshowthevolumesetting.

6. Ensure the mouse microphones are placed as close to their intended

usersaspossible.

7. Checktheamplierisfullyfunctionalbyensuringthered‘fault’lightis

NOTshowingonthefront.

8. The Amplifier is now set up.

OurWindowIntercomSystemampliersarepre-settovolumelevels

suitablefornearlyallusers.ShouldyouneedtoadjusttheMaximum

Volume,DuckingorHearingLooplevelsoutsideofthepre-setamplier

parameters,useEngineer’sMode(seepage13).

Overview of Front Panel Buttons

Volume In (Customer/Visitor to Staff)

Increase and decrease

Volume Out (Staff to Customer/Visitor)

Increase and decrease

Settings

On/O

Setup

Factory Default Settings

Fault Diagnosis LEDs

• Volume In LED 8 will stay red if there is a

faultwiththestamicrophone.

• Volume Out LED 8 will stay red if there is a

faultwiththecustomer/visitormicrophone.

• VolumeInLED8willashredifthereisa

faultwiththeloop(e.g.abrokenaerial).

Toreturntheampliertothefactorydefaultsettings:

1. Unplugthepowersupplyandthenreconnectit.

2. TheLEDindicatorswillshowalightpatterninthe“VolIn”column.This

indicatesthermwarerevision.Thiswillbefollowedbyagreenlight

atthebottomofeachcolumn.     

3. Within20seconds,presstheOn/ObuttonandVolumeIn(-)button

together,thenreleasethem.     

4. The“VolIn”columnwillagainindicatethermwarerevision.Thisindi-

catesthatthesettingshavebeenrestored.

Symptom Possible Fault Action

There is no

power

detected

through the

amplifier (and

there is power

at the socket).

1) Power jack not plugged in or

faulty.

2)Plugfusehasblown.

3) Faultypowersupplyunit.

4)Faultyamplier.

1)Checkpowerjackisrmlyplugged

in.

2)Replacefuse.Ifitblowsagain,

replacethepowersupplyunit.

3)Replacethepowersupplyunit.

4)Replaceamplier.

The red LED is

illuminated on

front panel.

1) Constant red LED:

Staorcustomer/visitor

microphonefault.

2) Red LED comes on after speech:

Inductionloopfault.

1) Ensure microphone is wired

correctlyandrmlypluggedin. Try

alternative microphone to ensure

portisworking.

2) Ensure induction loop connector is

wiredcorrectlyandrmlypluggedin.

I can’t hear

audio through

the induction

loop.

1) Induction loop or microphone is

disconnected.

2)Looptesterhasafault.

1 ) Check instructions for correct

connections and, if possible, check

the hearing device with a known

workinghearingloop.

2) Ensure loop tester has a new set

ofbatteries.

I can hear

interference

through

speakers

(buzzing /

whistling /

hissing).

1) Unscreened or poorly earthed

third party equipment is being used

incloseproximity.

2)Internalvolumegainsettohigh.

3) Incorrect power supply being

used.

1)Switchoanythirdparty

equipment to identify the source of

interference.

2)AccesstheamplierEngineer’s

Modetoadjusttheinternalsettings.

3) Ensure that our grounded power

supplyunitisconnected.

Amplifier goes

into feedback.

1)Internalvolumegainsettoohigh.

2) Microphone positioned too close

tospeaker.

1)AccesstheamplierEngineer’s

Modetoadjusttheinternalsettings.

2) Move the microphone to a

locationfurtherfromthespeaker.

Unit does not

go into power

saving mode.

1)Ambientnoiseinareaistoohigh. 1)Switchoanyairconsystems,

desktop fans and/or computers to

reduceambientnoise.

Troubleshooting

If no action is successful please seek assistance from

yourdistributororaContactainstaller.

Engineer’s Mode

BeforeenteringEngineer’sMode,cyclethepower.Todothiseither:

• Switchthepoweroatthemainssocketandbackonagain

• Removethepowerconnectorandre-insertit

To enter Engineer’s Mode, simultaneously press and release the following

buttons within 20 seconds of cycling the power:

• Settings button

• Volume In increase button

• Volume Out increase button

Number1LEDontheVolumeInwillashgreentoindicatethatyouarein

Engineer’sMode.

Theon/oandsettingsbuttonsinEngineer’sModeoperateasfollows:

TheamplierwillautomaticallyexitEngineer’sModeifnobuttonsare

pressedfor2minutes.

Thereare3editablesetupareasinEngineer’sMode.Youwillalwaysenter

setuparea1rst.ThegreenVolumeInLEDbarwillashtoindicatewhich

setupareayouarein.

Setup Area 1:

Maximum Volume Adjustment (LED 1 flashes)

Setup Area 1 allows you to adjust the Volume In and Volume Out levels to

furtheroptimisethesystemfortheenvironmentinwhichitisinstalled.

Engineer’s Mode allows you to adjust the Volume In and Out levels, Ducking

levels and Hearing Loop levels to better suit your environment and achieve

thebestpossibleperformance.

Increase maximum

stavolumelevel

Decrease maximum

stavolumelevel

Increase maximum

customer volume level

Decrease maximum

customer volume level

Save and exit Engineer’s Mode

Move to the next setup area

1. Ensurethecustomerandstavolumesareturnedcompletelydown.

2. Adjuststa(VolumeIn)volumetoacomfortablelevel.Pressandhold

theVolumeIn(+)or(-)buttonstoincreaseordecreasethelevel.The

correspondingLEDbarwillshowthevolumesetting.

3. Increasecustomer(VolumeOut)volumeuntilfeedbackisheard.Press

and hold the Volume Out (+) or (-) buttons to increase or decrease the

level.ThecorrespondingLEDbarwillshowthevolumesetting.

4. Decreasecustomer(VolumeOut)volumeuntilfeedbackiseliminated.

Setup Area 2:

Ducking Adjustment (LED 2 flashes)

SetupArea2allowsyoutoadjusttheDuckinglevelortoturniton/o.

The ducking function is provided to reduce feedback on a window intercom

system.Feedbackoccurswhentheoverallsettingofbothvolumecontrols

istoohigh.Theduckingsystemworksbydetectingwhichmicrophoneinthe

conversationisbeingused,andtemporarilyreducingthevolumesetting.

Increase

ducking level

Decrease

ducking level

Ducking on

Duckingo

Increase drive

Decrease drive

The drive levels should be adjusted so the red LED 8 is illuminated only when

therearepeaksinthespeechvolume.

Iftheamplierdoesnothavealoopattached,turntheHearingLoopDriveo

asindicatedinthediagramabove.

Setup Area 3:

Hearing Loop Drive Adjustment (LED 3 flashes)

SetupArea3allowsyoutoadjusttheHearingLoopDriveortoturniton/o.

Hearing loops improve communication by enabling hearing device users to

hearsoundsourcesdirectly,cuttingoutbackgroundnoise.

Hearing Loop Drive on

HearingLoopDriveo

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[email protected].uk

+44 (0) 1732 223900

Technical Support - Ext 5

Further information is available on our website and our YouTube channel.

WindowIntercomSTS-A31HAmplier

Setup Video

Window Intercom Unboxing &

Positioning Guide Video

Contacta STS-K072 User guide

Contacta STS-K072 User guide

Contacta STS-K072 User guide

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