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STS-K070

Contacta STS-K070 User guide

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Installation &
User Guide
February 2022
Window Intercom System
Speaker Pod System - STS-K070
2
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
3
3
4
5
6
6
7
10
11
13
14
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.
3
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
5
General Components
1. Speaker Pod x 2
2. Mouse Microphone x 2
3. Double-Sided Fixing Pads x 2
2
1
3
4
3
2
1
4
Connections
When removing green connectors for feeding cables through holes,
ensure all are refitted at the correct polarity before connection to the
amplifier.
It is recommended to take photos as a record before taking any cables
apart. This is to ensure proper reconnection; incorrect wiring may impact
performance.
5
Negative -
or screened cable
Positive +
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
Speaker Pods
Mouse Microphones
6
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
7
1. Place a speaker pod on the customer/visitor side of the counter top,
ensuringitdoesnotcauseanobstruction.
Microphone & Speaker Installation
2. Place a mouse microphone on the customer/
visitor side of the counter top, ensuring it
does not cause an obstruction and is as close
tocustomers/visitorsaspossible.
For best performance all mouse microphones
shouldbettedfacingtheuserasshownin
Mouse microphone direction
theimageontheright.Therecommendedminimumdistancebetween
themousemicrophonesandspeakerpodsis300mm.
3. Placeaspeakerpodonthestasideofthecountertop,ensuringitdoes
notcauseanobstruction.
4. Placeamousemicrophoneonthestasideofthecountertop,ensuringit
doesnotcauseanobstructionandisasclosetostaaspossible.
5. Speakerpodscanbeeitherfreestandingorxed.Movetostep11ifyou
donotwishtoxthespeakerpodstothecounter.
6. Use cable management holes in the counter to run speaker pod and
mousemicrophone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/visitorsidesofthecounter.
7. Thereare2xingmethodsforthespeakerpod/stapod.Eitherxthe
Staff Counter Side
Customer / Visitor
Counter Side
Speaker Pods
Mouse Microphones
8
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
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:
28mm
9
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.
8. Toxthemousemicrophonetoasurface,usetheprovideddouble-sided
xingpadorscrewthroughthescrew-holeinitscap.
9. Feedthewiresthroughthecablemanagementholes.
10. Avoidlooseortrailingcables.Usetrunkingortopreventtriphazardsor
unitsbeingtuggedfromtheirposition.
11. Routeallcablingneatlytotheamplierlocationonthestaside.
10
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
X
Hearing Loop Installation
(Optional)
A B C
11
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
Setup
Volume In (Customer/Visitor to Staff)
Increase and decrease
Volume Out (Staff to Customer/Visitor)
Increase and decrease
Settings
On/O
12
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.
13
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.
14
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
15
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
www.contacta.co.uk
[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
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