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Contacta STS-K002L-B, STS-K002L-G User guide

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Installation &
User Guide
January 2020
Window Intercom System
Surface Mounted Kit - STS-K002L
2
Contents
Product Overview
Components
Connections
Installation Instructions
Speaker & Microphone Kit Installation
  StaSideInstallation
Customer/Visitor Side Installation
Hearing Loop Installation
 AmplierSetup
Using the System
Troubleshooting
Engineers Mode
3
3
4
5
6
6
7
9
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
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 a hearing loop facility included, providing additional assistance for
hearingdevicewearers.
1. Installation and User Manual
2. Amplier
3. Hearing Loop Sticker
4. IEC Lead
5. PowerSupply
6. HearingLoopAerial
7. MountingBracket
Fixing Kit:
• Adhesive Clip x 10
• No.6x1/2”CountersunkScrewsx15
• P-Clips x 6
4
36
7
5
2
1
General Components
Speaker & Microphone Components
1. StaMicrophone
2. Surface Mounted Speaker and Microphone
2
1
4
Connections
Hearing Loop
Power Supply
Speaker Pod
StaMicrophone
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
Mic Pod
5
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
Staff Counter Side
Customer / Visitor
Counter Side
StaPod
Surface Mounted Speaker
and Microphone
A toolkit recommended to install the system will include:
• Pliers
• Tape Measure
• Pencil or Marker Pen
• Torch
• Cable Ties
• Electrical Insulation Tape
• Trunking
• Screwdrivers(FlatorBlade2.5mm
and Phillips Head PH2)
• BatteryorMainsDrill
• Drillbits: 2mm, 3mm, 5mm and 7mm
• Allen Key Set
• Cable Tacking Gun (10mm)
• Wire Cutters/Strippers
Recommended Tools
Negative -
or screened cable
Positive +
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.
6
1. Placethestamicrophoneonthestasideofthecountertop,ensuring
thatitdoesnotcauseanobstructionandisasclosetostaaspossible.
2. Placetheamplierunderthestacounter,ensuringthatitwillnot
obstructstawhentheyaresitting.
3. 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.
5. Useacablemanagementholetorunthestamicrophonecablebackto
theamplier.Ifthereisnotalreadyacablemanagementhole,drillina
suitablelocationneartherearofthesurface.
6. Installtheamplier’spowersupplyclosetoapowersocketoutletusing
thesuppliedmountingbracketandxingscrews.
Fixing points
StaSideInstallation
Speaker & Microphone Kit Installation
7
Customer/Visitor Side Installation
1. Place the speaker and microphone pods on the customer side of the
countertop.
2. Disassemble the speaker and microphone pods by undoing the screws
andremovingthehousing.
3. Placethemountingbracketsatleast2-3mmawayfromthescreen.The
recommendedminimumdistancebetweentheunitsis300mm.
4. Markthefourxingpointsandtwocableholestobedrilled.
Housing
xingpoints
5. Ensuretherewillbeaccesstoretrievethecablesanddrilltheholes.
6. Fixthespeakerandmicrophonepodstothecounterandfeedthewires
throughthecablemanagementholes.
Cable holes
Fixing points
8
7. Retthehousingwithpreviouslyremovedscrews.
8. Avoidlooseortrailingcables.Usetrunkingortopreventtriphazardsor
unitsbeingtuggedfromtheirposition.
9. Routeallcablingneatlytotheamplierlocationonthestaside.
9
Theaerialshouldbexedunderthedesk-toporcountercentrallyonthe
custome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.
XX
Hearing Loop Installation
A B C
10
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
11
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.
12
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engineers
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tohigh.
2) Microphone positioned too close
tospeaker.
1)Accesstheamplierengineers
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.
13
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:
SaveandexitEngineer’sMode
Move to the next setup area
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.
Engineers 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
14
1. Ensurethecustomer/visitorandstavolumesareturned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. Raisecustomer/visitor(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. Lowercustomer/visitor(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
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
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.
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
/