Contact STS-K003L Operation manual
Installation &
User Guide
January 2020
Window Intercom System
Flush Mounted Kit - STS-K003L
2
Contents
Product Overview
Components
Connections
Installation Instructions
Speaker & Microphone Kit Installation
StaSideInstallation
Customer/Visitor Side Installation
Hearing Loop Installation
AmplierSetup
Troubleshooting
Engineers Mode
3
3
4
5
6
6
7
9
10
12
13
Contactahasapolicyofcontinuousproductdevelopment,andthereforesmallspecication
changesmaynotbereectedinthismanual.Images,labels,packaging,accessoriesandproduct
coloursaresubjecttochangewithoutnotice.
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
hearingdevicewearers.
1. Installation and User Manual
2. Amplier
3. Hearing Loop Sticker
4. IEC Lead
5. PowerSupply
6. HearingLoopAerial
7. MountingBracket
Fixing Kit:
• Adhesive Clip x 10
• No.6x1/2”CountersunkScrewsx15
• P-Clips x 6
4
36
7
5
2
1
General Components
Speaker & Microphone Components
1. StaMicrophone
2. Flush Mounted Speaker
3. Flush Mounted Microphone
2
1
3
4
Connections
Hearing Loop
Power Supply
Speaker Pod
StaMicrophone
LED connection or alert tone (if required)
CondenceLEDtoconrmthesystemispowered
oranalerttonefortheattentionofsta
Stamicrophone
Customer/visitor microphone
CondenceLED(ifrequired)forstatusalerts
and fault detection
Hearing loop aerial
Line in connection for
external audio source
Staspeaker
Customer/visitor speaker
Power input
connection
Use power supply
through ground
supply only
Mic Pod
5
Werecommendthatinstallationiscarriedoutbyaqualiedengineer,
adheringtorelevantstandards.
Checkthecontentsoftheboxtofamiliariseyourselfwiththecomponents.
Installation Instructions
Staff Counter Side
Customer / Visitor
Counter Side
StaMicrophone
Flush Mounted Speaker
and Microphone
Negative -
or screened cable
Positive +
A 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
amplier.Bareapproximately6mmofthecableendsto
connecttothe2pinplugs.
• Pliers
• Tape Measure
• Pencil or Marker Pen
• Torch
• Cable Ties
• Electrical Insulation Tape
• Trunking
• Screwdrivers(FlatorBlade2.5mm
and Phillips Head PH2)
• BatteryorMainsDrill
• Drillbits: 2mm, 3mm, 5mm and 7mm
• Allen Key Set
• Cable Tacking Gun (10mm)
• Wire Cutters/Strippers
Recommended Tools
6
1. Placethestamicrophoneonthestasideofthecountertop,ensuring
thatitdoesnotcauseanobstructionandisasclosetostaaspossible.
2. Placetheamplierunderthestacounter,ensuringthatitwillnot
obstructstawhentheyaresitting.
3. Markthefourxingpointsfortheamplierunderthecounter.
4. Drillandxtheamplierinplaceusingthesuppliedscrews.
5. Useacablemanagementholetorunthestamicrophonecablebackto
theamplier.Ifthereisnotalreadyacablemanagementhole,drillina
suitablelocationneartherearofthesurface.
6. Installtheamplier’spowersupplyclosetoapowersocketoutletusing
thesuppliedmountingbracketandxingscrews.
Fixing points
StaSideInstallation
Speaker & Microphone Kit Installation
7
Customer/Visitor Side Installation
4. Usearoutertocutouttwoareasfortheushmountedspeakerand
microphonepods,routedtoadepthof1.5mm.
1. Check that there is at least 50mm of free space below the customer side
ofthecountertopforthespeakerandmicrophonepods.
2. Ensurethereisaccesstothewiringunderthecounteronceinstalled.
3. Mark the cut-out dimensions in the diagram below onto the counter top
twice,adjacenttoeithersideofthepass-throughtray.Therecommended
distancebetweeneachcut-outmarkingis500mm.
Speaker and microphone pod
container cut-out
52 54 6515
97.5
120
107
5
Recess (hatched)
Cut-out
R6
8
5. Markthefourxingpointsper
cutoutanddrilltheholes.
6. Runthecablesfromthepods
throughthecountertop.
7. Securebothpodstothe
counter using the screws
provided.
Fixing
points
Fixing
points
8. Avoidlooseortrailingcables.
Use trunking or to prevent trip hazards or units being tugged from their
position.
8. Routeallthecablingneatlytotheamplierlocationonthestaside.
9
Theaerialshouldbexedunderthedesk-toporcountercentrallyonthe
custome or visitor side, one half mounted horizontally under the counter and
theotherhalfmountedvertically,facingthecustomer/visitor(asintherst
scenariobelow).
Position the aerial under the counter using either the provided P-clips
oranotherxingmethodofyourchoice.Seethediagrambelowfor
recommendedpositioning.
Aistheoptimumlayoutforacounterhearingloop.
BandCareacceptableonlyifAisnotpossibleandthelayoutisalignedso
thatthemagneticeldwillbedirectedtowardsuser’sheadheights.
Ensureallhearingloopsignageisdisplayedclearly.
XX
Hearing Loop Installation
A B C
10
AmplierSetup
1. Connectallgreenplugstothebackoftheamplier,followingthe
locationsprintedabovethesockets(seepage4).
2. PowerontheamplierbypressingtheOn/Obutton.
3. Whenpoweredandinnormaloperationalmodetheamplierwilldisplay
VolumeInLED1andVolumeOutLED1assteadygreen.
4. Whentheamplierisswitchedo,allaudioismutedandnoneofthe
LEDsareilluminated.Pressinganybuttonwillturntheamplieronagain.
5. AdjustVolumeInandVolumeOuttoacomfortablelevel.
6. Press and hold the Volume In (+) or (-) buttons to increase or decrease the
level.ThecorrespondingLEDbarwillshowthevolumesetting.
6. Ensure the mouse microphones are placed as close to their intended
usersaspossible.
7. Checktheamplierisfullyfunctionalbyensuringthered‘fault’lightis
NOTshowingonthefront.
8. The Amplifier is now set up.
OurWindowIntercomSystemampliersarepre-settovolumelevels
suitablefornearlyallusers.ShouldyouneedtoadjusttheMaximum
Volume,DuckingorHearingLooplevelsoutsideofthepre-setamplier
parameters,useEngineer’sMode(seepage13).
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
faultwiththestamicrophone.
• Volume Out LED 8 will stay red if there is a
faultwiththecustomer/visitormicrophone.
• VolumeInLED8willashredifthereisa
faultwiththeloop(e.g.abrokenaerial).
Toreturntheampliertothefactorydefaultsettings:
1. Unplugthepowersupplyandthenreconnectit.
2. TheLEDindicatorswillshowalightpatterninthe“VolIn”column.This
indicatesthermwarerevision.Thiswillbefollowedbyagreenlight
atthebottomofeachcolumn.
3. Within20seconds,presstheOn/ObuttonandVolumeIn(-)button
together,thenreleasethem.
4. The“VolIn”columnwillagainindicatethermwarerevision.Thisindi-
catesthatthesettingshavebeenrestored.
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)Plugfusehasblown.
3) Faultypowersupplyunit.
4)Faultyamplier.
1)Checkpowerjackisrmlyplugged
in.
2)Replacefuse.Ifitblowsagain,
replacethepowersupplyunit.
3)Replacethepowersupplyunit.
4)Replaceamplier.
The red LED is
illuminated on
front panel.
1) Constant red LED:
Staorcustomer/visitormicrophone
fault.
2) Red LED comes on after speech:
Inductionloopfault.
1) Ensure microphone is wired
correctlyandrmlypluggedin. Try
alternative microphone to ensure
portisworking.
2) Ensure induction loop connector is
wiredcorrectlyandrmlypluggedin.
I can’t hear
audio through
the induction
loop.
1) Induction loop or microphone is
disconnected.
2)Looptesterhasafault.
1 ) Check instructions for correct
connections and, if possible, check
the hearing device with a known
workinghearingloop.
2) Ensure loop tester has a new set
ofbatteries.
I can hear
interference
through
speakers
(buzzing /
whistling /
hissing).
1) Unscreened or poorly earthed
third party equipment is being used
incloseproximity.
2)Internalvolumegainsettohigh.
3) Incorrect power supply being
used.
1)Switchoanythirdparty
equipment to identify the source of
interference.
2)Accesstheamplierengineers
modetoadjusttheinternalsettings.
3) Ensure that our grounded power
supplyunitisconnected.
Amplifier goes
into feedback.
1)Internalvolumegainsettohigh.
2) Microphone positioned too close
tospeaker.
1)Accesstheamplierengineers
modetoadjusttheinternalsettings.
2) Move the microphone to a
locationfurtherfromthespeaker.
Unit does not
go into power
saving mode.
1)Ambientnoiseinareaistoohigh. 1)Switchoanyairconsystems,
desktop fans and/or computers to
reduceambientnoise.
Troubleshooting
If no action is successful please seek assistance from
yourdistributororaContactainstaller.
13
Engineer’sMode
BeforeenteringEngineer’sMode,cyclethepower.Todothiseither:
• Switchthepoweroatthemainssocketandbackonagain
• Remove the power connector and re-insert it
ToenterEngineer’sMode,simultaneouslypressandreleasethefollowing
buttons within 20 seconds of cycling the power:
• Settings button
• Volume In increase button
• Volume Out increase button
Number1LEDontheVolumeInwillashgreentoindicatethatyouarein
Engineer’sMode.
Theon/oandsettingsbuttonsinEngineer’sModeoperateasfollows:
SaveandexitEngineer’sMode
Move to the next setup area
TheamplierwillautomaticallyexitEngineer’sModeifnobuttonsare
pressedfor2minutes.
Thereare3editablesetupareasinEngineer’sMode.Youwillalwaysenter
setuparea1rst.ThegreenVolumeInLEDbarwillashtoindicatewhich
setupareayouarein.
Setup Area 1:
Maximum Volume Adjustment (LED 1 flashes)
Setup Area 1 allows you to adjust the Volume In and Volume Out levels to
furtheroptimisethesystemfortheenvironmentinwhichitisinstalled.
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
thebestpossibleperformance.
Increase maximum
stavolumelevel
Decrease maximum
stavolumelevel
Increase maximum
customer volume level
Decrease maximum
customer volume level
14
1. Ensurethecustomer/visitorandstavolumesareturneddown.
2. Adjuststa(VolumeIn)volumetoacomfortablelevel.Pressandhold
theVolumeIn(+)or(-)buttonstoincreaseordecreasethelevel.The
correspondingLEDbarwillshowthevolumesetting.
3. Raisecustomer/visitor(VolumeOut)volumeuntilfeedbackisheard.Press
and hold the Volume Out (+) or (-) buttons to increase or decrease the
level.ThecorrespondingLEDbarwillshowthevolumesetting.
4. Lowercustomer/visitor(VolumeOut)volumeuntilfeedbackiseliminated.
Setup Area 2:
Ducking Adjustment (LED 2 flashes)
SetupArea2allowsyoutoadjusttheDuckinglevelortoturniton/o.
The ducking function is provided to reduce feedback on a window intercom
system.Feedbackoccurswhentheoverallsettingofbothvolumecontrols
istoohigh.Theduckingsystemworksbydetectingwhichmicrophoneinthe
conversationisbeingused,andtemporarilyreducingthevolumesetting.
Increase
ducking level
Decrease
ducking level
Ducking on
Duckingo
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)
SetupArea3allowsyoutoadjusttheHearingLoopDriveortoturniton/o.
Hearing loops improve communication by enabling hearing device users to
hearsoundsourcesdirectly,cuttingoutbackgroundnoise.
Hearing Loop Drive on
HearingLoopDriveo
therearepeaksinthespeechvolume.
Iftheamplierdoesnothavealoopattached,turntheHearingLoopDriveo
asindicatedinthediagramabove.
www.contacta.co.uk
+44 (0) 1732 223900
Technical Support - Ext 5
Further information is available on our website and our YouTube channel.
WindowIntercomSTS-A31HAmplier
Setup Video
Window Intercom Unboxing &
Positioning Guide Video
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