Contacta STS-K070 Operation manual

Installation &
User Guide
June 2020
Speech Transfer System
Dual Speaker Pod System - STS-K070
Speaker and Microphone Pod System - STS-K071
Speaker Pod and Screen Mounted Microphone System - STS-K072

2
Contents
Product Overview
Components
Installation Instructions
 AmplierInstallation
Speaker & Microphone Installation
 AmplierSetup
Using the System
Troubleshooting
3
3
6
7
8
12
14
16
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
Components
Speech transfer systems provide assistance for clear communication where
normal speech is impaired by use of glass, a security screen or other similar
barriers.
1. Installation and User Manual
2. Amplier
3. IEC Lead
4. Power Supply
There will also be one of the following speaker and microphone systems:
• SpeakerandMicrophonePod(seepage4).
• DualSpeakerPod(seepage4).
• SpeakerPodandScreenMountedMicrophone(seepage5).
Fixing Kit:
• Adhesive Clip x 10
• No.6x1/2”CountersunkScrewsx15
• P-Clips x 6
4
3
2
1
General Components
Speaker & Microphone Components

4
Speaker and Microphone Kits
Speaker and Microphone Pod - STS-K071
(For installation see page 6)
1. Speaker Pod
2. Mouse Microphone
3. StaPod
2
13
Dual Speaker Pod - STS-K070
(For installation see page 6)
1. Speaker Pod x 2
2. Mouse Microphone x 2
2
1

5
Speaker Pod and Screen Mounted Microphone - STS-K072
(For installation see page 6)
1. StaPod
2. Speaker Pod
3. Screen Mounted Microphone with Bent Stem
2
1
3

6
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.
Thestamicrophoneandampliershouldbeinstalledonthestasideofthe
counter.Thecustomerspeakerandmicrophonekitsshouldbeinstalledon
thecustomersideofthecounter.
Follow all relevant instructions in the following order:
1. AmplierInstallation(seepage7).
2. Microphone&SpeakerKitInstallation(seepage8).
3. AmplierSetup(seepage12).
4. UsingtheSystem(seepage14).
Installation Instructions
A basic toolkit recommended to install the system will include:
• 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)
• WireCutters/Strippers
Recommended Tools

7
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.
3. Drillandxtheamplierinplaceusingthesuppliedscrews.
4. Installtheamplier’spowersupplyclosetoapowersocketoutletusing
thesuppliedmountingbracketandxingscrews.
Fixing points
Amplifier Installation
Amplifier Connections
After all relevant components have been installed, connect all green plugs to
thesocketsattherearoftheamplierfollowingthelayoutdetailedbelow.
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connection
Customer microphone connection
CondenceLED(ifrequired)forstatusalerts
and fault detection
Hearing loop aerial
Line in connection for
external audio source
Staspeakerconnection
Customer speaker connection
Power input
connection
Use power supply
through ground
supply only
AmplierInstallation

8
Microphone & Speaker Installation
1. Place a speaker pod on the customer side of the counter top, ensuring it
doesnotcauseanobstruction.
2. Place a mouse microphone on the customer side of the counter top,
ensuring it does not cause an obstruction and is as close to customers
aspossible.Itshouldideallybenomorethan300mmawayfromasta
member.
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customersaspossible.
5. Speakerpodscanbeeitherfreestandingorxed.Movetostep8ifyou
donotwishtoxthe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sidesofthecounter.
7. Ifxingtheunitstoasurface,removethetopofthepodstogainaccess
tothexingpoints.Markthetwoxingpointsonthebottomofboth
speakerpods.Thenmarktwocableholestobedrilled,oneforboththe
customersideandthestaside.
8. Ensuretherewillbeaccesstoretrievethecablesthendrilltheholes.
9. Fixthepodstotheirrespectivecounters.
10. Feedthewiresthroughthecablemanagementholes.
11. Routeallcablingneatlytotheamplierlocationonthestaside.
Dual Speaker Pod - STS-K070

9
1. 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.Itshould
ideallybenomorethan300mmawayfromastamember.
2. Place the speaker pod on the customer side of the counter top, ensuring it
doesnotcauseanobstruction.
3. Place the mouse microphone on the customer side of the counter top,
ensuring it does not cause an obstruction and is as close to customers as
possible.
4. Speakerpodsandstapodscanbeeitherfreestandingorxed.Moveto
step8ifyoudonotwishtoxthepodstothecounter.
5. Usecablemanagementholesinthecountertorunthestapod,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sidesofthecounter.
6. Ifxingthepodstoasurface,removethetopofthepodstogainaccess
tothexingpoints.Markthetwoxingpointsonboththebottomofthe
speakerpodandstapod.Thenmarktwocableholestobedrilled,one
forboththecustomersideandthestaside.
7. Ensuretherewillbeaccesstoretrievethecablesthendrilltheholes.
8. Fixthepodstotheirrespectivecounters.
9. Feedallwiresthroughthecablemanagementholes.
10. Routeallcablingneatlytotheamplierlocationonthestaside.
Speaker and Microphone Pod - STS-K071

10
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).
Speaker Pod and Screen Mounted Microphone - STS-K072
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.Itshould
ideallybenomorethan300mmawayfromastamember.
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13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.

11
10. Ifxingthepodstoasurface,removethetopofthepodstogainaccess
tothexingpoints.Markthetwoxingpointsonboththebottomofthe
speakerpodandstapod.Thenmarktwocableholestobedrilled,one
forboththecustomersideandthestaside.
11. Ensuretherewillbeaccesstoretrievethecablesthendrilltheholes.
12. Fixthepodstotheirrespectivecounters.
13. Feedthepods’wiresthroughthecablemanagementholes.
14. Routeallcablingneatlytotheamplierlocationonthestaside.

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AmplierSetup
Ouramplierprovidesfullopenduplexcommunicationandiscompatible
withallofourspeechtransfersystems.Itfeaturesindividualdisplaysforsta
orcustomeradjustmentsandindividualfaultlightsforeasyfaultdiagnosis.
Vol In Status
8
7
6
5
4
3
2
1
Vol Out STS-A31
CO2
contacta
Overview of Front Panel Buttons
Volume In
Increase and decrease
Volume Out
Increase and decrease
Settings
On/Off
Vol In Status
8
7
6
5
4
3
2
1
Vol Out STS-A31
CO2
contacta
Vol In Status
8 7 6 5 4 3 2 1
Vol Out STS-A31
CO2
contacta
Vol In Status
8 7 6 5 4 3 2 1
Vol Out STS-A31
CO2
contacta
Save and exit engineers mode
Move to the next setup area
Beforeenteringengineersmode,cyclethepower.Todothiseither:
• Switchthepoweroatthewallsocketandbackonagain,
or,
• Remove the power connector and re-insert it
To enter engineers 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
Theon/oandsettingsbuttonsinengineersmodeoperateasfollows:
Please note:
• Saveandexitengineersmodeaftermakinganyadjustments.
• Theamplierwillautomaticallyexitengineersmodewithoutsavingifno
buttonsarepressedfor2minutes.
Engineer’s Mode

13
Setup Area 3: Hearing Loop Drive Adjustment (LED 3 flashes)
Increase drive
Decrease drive
Vol In Status
8
7
6
5
4
3
2
1
Vol Out STS-A31
CO2
contacta
Vol In Status
8
7
6
5
4
3
2
1
Vol Out STS-A31
CO2
contacta
Vol In Status
8
7
6
5
4
3
2
1
Vol Out STS-A31
CO2
contacta
LEDs illuminate to
display loop drive
voltage
Iftheamplierdoesnothavealoopattached,turnotheredloopfaultLED
8byadjustingthedrivedowntoo.
Please note:
• Iftheamplierdetectsanerrorinitssettingsmemoryitwillrestoreitself
tofactorydefaultsettings.
Whilstinengineersmode,thereare3editablesetupareas.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 Areas
Setup Area 2: Ducking Adjustment (LED 2 flashes)
Setup Area 1: Maximum Volume Adjustment (LED 1 flashes)
Increase maximum
stavolumelevel
Decrease maximum
stavolumelevel
Increase maximum
customer volume level
Decrease maximum
customer volume level
Increase
ducking level
Decrease
ducking level
Ducking on
(Vol Out LED 1 illuminates)
Duckingo
(VolOutLED1turnso)

14
Whenpoweredandinnormaloperationalmodetheamplierwilldisplay
VolumeInLED1assteadygreen.
WhentheamplierisswitchedousingtheOn/Off button, audio is muted
andLEDsarenotilluminated;pressanybuttontoturntheamplieronagain.
To adjust the staff volume level:
• Press and hold the Volume In (+) or (-) buttons to increase or decrease the
level.ThecorrespondingLEDbarwillshowthevolumesetting.
To adjust the customer volume level:
• Press and hold the Volume Out (+) or (-) buttons to increase or decrease
thelevel.ThecorrespondingLEDbarwillshowthevolumesetting.
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microphone.
• VolumeInLED8willashredifthereisa
faultwiththeloop(i.e.abrokenaerial).
Using the System
For best possible performance:
1. Ensurethecustomerandstavolumesareturnedcompletelydown.
2. Adjuststavolume(VolumeIn)toacomfortablelevel.
3. Increasecustomervolume(VolumeOut)untilfeedbackisheard.
4. Decreasecustomervolume(VolumeOut)untilfeedbackisjusteliminated.
Once you have followed the above steps:
1. Stapodsareoptimallypositioned300mmfromastamember.
2. Checktheamplierisfullyfunctionalbyensuringthered‘fault’lightis
NOTdisplaying.
Thesystemisnowreadytouse.

15
Factory Default Settings
Toreturntheamplierthefactorydefaultsettings:
1. Unplugthepowersupplyandthenreconnectit.
2. PresstheOn/ObuttonandVolumeIn(-)buttontogether,thenrelease.
3. The Volume In LED bar will have all LEDs illuminated, while the Volume
OutLEDbarwilldisplaythermwarerevisionnumberinaxedpattern
ofLEDs.Thisindicatesthatdefaultsettingshavebeenrestored.

16
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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 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.

Contact your local
distributor for further
information.
www.contacta.co.uk