iSolution IM-7S User manual

Technical Specifications
IM-8S
PowerAC120V~60HzorAC230/240/250V50/60Hz
Fuse20mm Glass 10AFast Blow
LampMSD250/2
Dimension
360mm x397mm x503mm
Weight26 kg
IM-7S
PowerAC120V~60HzorAC230/240/250V50/60Hz
Fuse20mm Glass 7AFast Blow
LampHTI 150W
Dimension
373mm x295mm x451 mm
Weight13 kg
Innovation , Quality, Performance
IM-8SIM-7S
User Guide
WWW.BEGLEC.COM

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7. Fixture Cleaning
Thecleaning of internaland externalopticallensesand/ormirrorsmust becarriedout
periodicallytooptimizelightoutput. Cleaning frequency dependson theenvironmentinwhich
thefixtureoperates: damp, smoky orparticularlydirtysurrounding can causegreater
accumulation of dirt on theunit soptics.
Clean withsoft clothusing normalglass cleaning fluid.
Always drythepartscarefully.
Clean theexternaloptics atleastevery20 days.Clean theinternaloptics atleastevery30/60
days.
ECDeclaration ofConformity
Wedeclarethat ourproducts(lighting equipments)complywiththefollowing
specification and bearsCEmarkinaccordancewiththeprovision of the
ElectromagneticCompatibility(EMC)Directive89/336/EEC.
EN55014-2: 1997 A1:2001, EN61000-4-2: 1995; EN61000-4-3:2002;
EN61000-4-4: 1995; EN61000-4-5: 1995, EN61000-4-6:1996,
EN61000-4-11: 1994.
&
HarmonizedStandard
EN60598-1: 2000+ALL:2000+A12:2002
Safetyof householdand similarelectricalappliances
Part 1: Generalrequirements
TABLEOFCONTENTS
1.SafetyInstruction
2.TechnicalSpecification
2.1Inserting/Exchanging rotating gobos
2.2Beamangel
3.Lamp
4.HowToSetTheUnit
4.1ControlPanel
4.2MainFunction
5.HowToControlTheUnit
5.1Master/SlaveBuilt-InPreprogrammedFunction.
5.2Easy Controller
5.3iSolution Operation / UniversalDMXController
5.4DMX512 Configuration
5.5DMX512 Connection
6.Troubleshooting
7.FixtureCleaning

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1. SafetyInstruction
WARNING
♦ PleasekeepthisUserGuideforfutureconsultation. If you sell theunit toanother
user, besurethat theyalsoreceivethisinstruction booklet.
♦ Unpack and check carefullythereisno transportation damagebeforeusing theunit.
♦ Beforeoperating, ensurethat thevoltageand frequency ofpowersupplymatchthe
powerrequirementsof theunit.
♦ Theunit isdesignedforusewiththeMSD250/2(IM-8S)orHTI150 (IM-7S).Do
not useanyothertypeof lamp.
♦ It simportanttoground theyellow/greenconductortoearthinordertoavoidelectric
shock.
♦ Theunit isforindooruseonly. Useonlyinadrylocation.
♦ Theunitmustbeinstalledinalocation withadequateventilation,atleast50cmfrom
adjacent surfaces. Besurethat no ventilation slotsareblocked.
♦ Disconnect mainpowerbeforefuse/lampreplacement orservicing.
♦ Replacefuse/lamponlywiththesametype.
♦ Makesurethereareno flammablematerialsclosetotheunit whileoperating, asit
isfirehazard.
♦ Usesafetycablewhenfixesthisunit. Don t handletheunit bytaking itshead only,
but always bytaking itsbase.
♦ MaximumambienttemperatureisTa:40 .Don toperateitwherethetemperature
ishigherthan this.
♦ Unitsurfacetemperaturemayreachup to85 .Don ttouchthehousing bare-hand
during itsoperation. Turnoff thepowerand allowabout 15 minutesfortheunit to
cooldownbeforereplacing bulborserving.
♦ Intheeventofseriousoperating problem,stop using theunitimmediately.Nevertry
torepairtheunit byyourself. Repairscarriedout byunskilledpeoplecan lead to
damageormalfunction.Pleasecontactthenearestauthorizedtechnicalassistance
center. Always usethesametypespareparts.
♦ Don t connect thedevicetoanydimmerpack orpowerpack.
♦ Donot touchanywireduring operation ashigh voltagemight becausing electric
shock.
H. IfTheIM-7Spanbeltisbroken
1. Turnoff themainpower.
2. Unscrewall thescrews(A)and openthebase-housing cover(B).
3. Unplug all theconnect wires(C)that fromthearmtoPCboardand igniter.
4. Unscrewthescrews(D)that fixthebridge(E).
5. Unscrewthescrews(F)that fixtheaxisgear(G).
6. Changeanewbelt (H)bygoing through all connecting wiresthat fromthearmtobase,
and through thebridgeforcorrect position.
7. Set up thegearaxistothebridgeand screwedit. Note: do not press thebelt.
8. Put thebelt around theaxisgearand motorgear.
9. Plug all theconnect wires(C)that formthearmtoPCboardand igniter.
10. Adjust thepan homeposition.
11.Screwthebase-housing cover(B).
A
A
B
B
C
F
D
E
H
D
G
A
Please readcarefullytheinstruction,
whichincludes important
information abouttheinstallation, usageand maintenance.

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Payattention tothebelt tension wheninstall thebelt.
Pleaserefertothephotosbelow: (ForIM-8S)
Photo1
Photo2
.
Warning
♦ Toprevent orreducetherisk of electricalshock orfire, do not exposetheunit torainor
moisture.
♦ Nevertouchbulbwithbarefingersasit isveryhot afterusing.
♦ Hot lampexplosion hazard. Donot opentheunit withinfiveminutesafterswitching off.
♦ Donot start on theunit without bulbenclosureorhousing aredamaged.
♦ Thehousing, thelenses, ortheultraviolet filtermust bereplacedif theyarevisibly
damaged.
♦ Donot lookdirectlyat thelight whilethebulbison.
Caution
Thereareno userserviceablepartsinsidetheunit. Donot openthehousing orattempt
anyrepairsyourself. Intheunlikelyevent yourunit mayrequireservice, pleasecontact
yournearest dealer.
Installation
Theunit shouldbemountedviaitsscrewholeson thebracket. Always ensurethattheunit
isfirmlyfixedtoavoidvibration and slipping whileoperating.Always ensurethat the
structuretowhichyou areattaching theunitissecureand isabletosupportaweightof30
kgsforeachunit (Belowdrawing isforIM-8Sonly).

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2. Technical Specification
Powersupply
-AC120V~60Hzor230V/240V/250V50/60Hz
Lamp
-DischargelampMSD250/2GY9.5(IM-8S)
-DischargeHTI 150WGY9.5(IM-7S)
Optical system
-Standard13°focusedbeamangle.
-IM-8S: FocusadjustablebyDMXcontrol.
Shutter/Dimmer
-Blackout, 0~100 smoothdimming and strobespeed variable(1~10 flashespersecond).
Gobo wheel
-Independent gobo wheelwith7gobos plusopen, gobosareinterchangeable: 4metal
gobos, 2glass gobos, and 1effect gobo.
-Gobo wheelrotateswithvariablespeed, giving shaking effect.
Colorwheel
-Independent colorwheelwith9 dichroicmirrorspluswhite.
-Colorwheelrotateswithvariablespeed, giving rainboweffect.
Movement
-Pan: 540°in2.8second.
-Tilt: 270°in1.6second.
DMXChannels
-StandardDMX512 signaladdressing and can becontrolledbyanyuniversalDMXcontroller.
IM-8SIM-7S
Channel1Pan motion Pan motion
Channel2Tilt motion Tilt motion
Channel3Shutter/ Shaking Shutter/ Shaking
Channel4Gobo Gobo
Channel5ColorColor
Channel6Gobo Rotation Gobo Rotation
Channel7DimmerDimmer
Channel8Focus
Dimension: 360mm x397mm x503mm (IM-8S)
373mm x295mm x451mm (IM-7S)
Weight: 26 kg(IM-8S)
13 kg(IM-7S)
G. IfTheIM-8Spanbeltisbroken
1. Turnoff themainpower.
2. Unscrewall thescrews(A)and openthebase-housing cover(B).
3. Unplug all theconnect wires(C)that fromthearmtoPCboardand igniter.
4. Unscrewthescrews(D)that fixthebridge(E).
5. Unscrewthescrews(F)that fixtheaxisgear(G).
6. Changeanewbelt (H)bygoing through all connecting wiresthat fromthearmtobase,
and through thebridgeforcorrect position.
7. Set up thegearaxistothebridgeand screwedit. Note: do not press thebelt.
8. Put thebelt around theaxisgearand motorgear.
9. Plug all theconnect wires(C)that formthearmtoPCboardand igniter.
10. Adjust thepan homeposition.
11.Screwthebase-housing cover(B).

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6. Troubleshooting
Following areafewcommon problemsthatmayoccurduring operation. Hereare
somesuggestionsforeasytroubleshooting:
A. Theunitdoes notwork, no lightand thefandoes notwork
1.Check theconnection of powerand mainfuse.
2.Measurethemainsvoltageon themainconnector.
3.Check thepoweron LED.
B. Notresponding toDMXcontroller
1.DMXLEDshouldbeon. If not, check DMXconnectors, cablestosee if linkproperly.
2.If theDMXLEDison and no responsetothechannel, check theaddress settingsand
DMXpolarity.
3.If you haveintermittent DMXsignalproblems, check thepinson connectorsoron PCB
of theunit orthepreviousone.
4.TrytouseanotherDMXcontroller.
5.Check if theDMXcablesrun nearorrun alongsidetohigh voltagecablesthat may
causedamageorinterferencetoDMXinterfacecircuit.
C. Someunitsdon trespond totheeasycontroller
1.You mayhaveabreakintheDMXcabling. Check theLEDfortheresponseof the
master/ slavemodesignal.
2.Wrong DMXaddress intheunit. Set theproperaddress.
D. Noresponse tothesound
1.Makesuretheunit doesnot receiveDMXsignal.
2.Check microphonetosee if it isgood bytapping themicrophone
E. Oneofthechannelsisnotworking well
1.Thesteppermotormight bedamagedorthecableconnectedtothePCBisbroken.
2.Themotor sdriveICon thePCBmight beout of condition.
F. Thelampiscutting outintermittently
1.Thelampisnot working well. Check themainvoltageeithertoo high ortoo low.
2.Internaltemperaturemaybetoo high. Check and if necessaryreplacethefan on the
head.
2.1Inserting/Exchanging rotating gobos
DANGER!
Install thegoboswiththedevice switchedoffonly.
Unplugfrommainsbeforechanging gobos!
Openthecoverbyloosening thefastening screwat thesidesof thecover.
If you wishtouseotherformsand patternsasthestandard-gobos, orif thegobosaretobe
exchanged,removethefixation ring withan appropriatetool.Removethegobo and insertthe
newgobo. Press thefixation-ring togetherand insert it inthefront of thegobo.
CAUTION!
Neverunscrew thescrewsoftherotating gobo astheball bearing
will otherwisebeopened!
2.2Beam angel

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3. Lamp
Becauseof itshigh internalpressure, theremight bearisk that theDischargelamp
wouldexplodeduring operation.ThelampemitsintenseUVradiation whichisharmfulto
theeyesand skin.Thehigh luminanceofthearccan causeseveredamagetotheretina
if looks directlyat thelamp.
Dischargelamp: MSD250/2(IM-8S)
HTI 150W(IM-7S)
1.Always switchoff themainsupplyand neverhandle
thelamporluminarieswhenishot.
2.Donot touchthebulbwithbarehands. If this
happens,clean thelampwithdenaturedalcoholand
wipeit withalint free clothbeforeinstallation.
3.ThelampgeneratesUVradiation. Neveroperatethe
lampwithout appropriateshielding.
4.Whenburning, thelampoperatesat high pressureand
thereisaslight risk of arctuberupture.Therisk
increaseswithage,temperatureand improperhandling
of thelamp. Donot usethelampanylongerthan its
specifiedlife.
5.Make surethelampislocatedinthecenterofthe
reflectorforthebestspot.Adjustlampposition by
screwsA, Band C.
5.5DMX512 Connection
TheDMX512 iswidelyusedinintelligent lighting control, withamaximumof 512 channels.
1.If you useacontrollerwith5pinsDMXconnector, you needtousea5to3pinadapter.
2.Atlastunit, theDMXcablehastobeterminatedwithaterminator.Soldera120-ohm1/4W
resistorbetweenpin2(DMX-) and pin3(DMX+)intoa3-pinXLR-plug and plug it inthe
DMX-output of thelast unit.
3.Connect theunit togetherina “daisy chain”byXLRplug fromtheoutput of theunit tothe
input of thenext unit. Thecablecan not branchedorsplittoa “Y”cable.DMX512 isavery
high-speedsignal. Inadequateordamagedcables, solderedjointsorcorrodedconnectors
can easilydistort thesignaland shut downthesystem.
4.TheDMXoutput and input connectorsarepass-through tomaintaintheDMXcircuit, when
powerisdisconnectedtotheunit.
5.Eachlighting unit needstohavean address set toreceivethedatasent bythecontroller.
Theaddress numberisbetween0-511(usually0&1areequalto1).
6.Theend of theDMX512 systemshouldbeterminatedtoreducesignalerrors.
7.3pinXLRconnectorsaremorepopularthan 5pinsXLR.
3pinXLR: Pin1: GND, Pin2: Negativesignal(-), Pin3: Positivesignal(+)
5pinXLR: Pin1: GND, Pin2: Negativesignal(-), Pin3: Positivesignal(+)
Incase ofreplacementofthelampormaintenance, do notopenthe
fixturewithin15 minutes until theunitcoolsdownafterswitching off.
IM
-
8S
IM
-
7S

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5.4DMX512 Configuration
*IM-7SwithoutChannel 8 –Focus.
4. How To SetTheUnit
4.1Control Panel
Display
Toshowthevariousmenusand theselectedfunctions.
LED
DMXOnDMXinput present
MASTEROnMasterMode
SLAVE OnSlaveMode
SOUND Flashing Sound activation
Button
MENU Toselect theprogramming functions
DOWNTogo backwardintheselectedfunctions
UPTogo forwardintheselectedfunctions
ENTERToconfirmtheselectedfunctions
Remotecontrollerinput
Byconnect tothe1/4”microphonejack tocontroltheunit forStand by, Function and Mode
Sensitivity
Toadjust thesound sensitivity.
Microphone
Toreceiveaudiosignalforsound activation .
DMXinput/output
ForDMX512 link, use3-pinXLRplug cabletolinktheunit together.

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4.2Main Function
Toselect anyof thepre-set functions, press the MENU button up towhentherequiredoneis
shownon thedisplay. Select thefunction by ENTER button and thedisplaywill blink. Use
DOWN and UP button tochangethemode. Oncetherequiredmodehasbeenselected,
press the ENTER button tosetup orit will automaticallyreturntothemainfunctionswithout
anychangeafteridling 8seconds.Togo back tothefunctionswithout anychangepress the
MENU button.Themainfunctionsareshownbelow:
MENU
FocusAdjust
Self-Test
Reset
FixtureHours
DisplayInversion
DisplayNormal
Tilt Inversion
Tilt Normal
Pan Inversion
Pan Normal
Split Color
NormalColor
Showmode 4
Showmode 3
DMX512AddressSetting
Blackout Mode "NoBlackout "
Blackout Mode "YesBlackout"
SlaveMode "Normal"
Slavemode "2Light Show"
Showmode 1
Showmode 2
LEDoff
LEDon
DimmerNormal
DimmerInversion
DMX512 Address Setting
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink. Use DOWN and UP button tochangetheDMX512 address.
Oncetheaddress hasbeenselected, press the ENTER button tosetup orautomatically
returntothemainfunctionswithout anychangeafter8seconds.Togo back tothefunctions
without anychangepress the MENU button again.
Stand by
Blackout theunit
Function
Strobe
1.Gobo/Colorsync.
strobe
2.Sync. strobe
3.Two-light strobe
X/Ymoving show
modeselection
(Show1~Show4)
PleaserefertoShow
modein 4.2Main
Function.
Color/Goboselection
1. Hold onforgobo
change.
2. Press shortlyfor
colorchange.
X/Ymoving setting
1.Panposition
2.Tilt position
3.Dimmer
First set Masterunit,
thenset Slaveunits
position.
Mode Sound 1
(LEDoff)
Sound 2
(LEDnormalblinking)
Slow/Sound 3
(LEDon)
Position/ Latch
(LEDfast blinking)
5.3.1iSolution Operation
♦ Consistent DMXconfiguration enableiMovetobelinkedtogetherwithiRock and iShow
and controlledat thesametime.
♦ DMXaddress can beset remotelybyiLead controller(pleaserefertotheusermanual
of iLead controller).NoneedtocalculatetheDMXchannelsofeachfixtureinthechain.
♦ Automaticswitching betweenDMXfunction and built-instand aloneprograms.
5.3.2DMX Controller
AnuniversalDMXcontrollertocontroltheunits, you havetoset DMXaddress from1to512
channelsothat theunitscan receiveDMXsignal.
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink. Use DOWN and UP button tochangetheDMX512 address.
Oncetheaddress hasbeenselected, press and keep ENTER button pressedup towhenthe
displaystopsblinking orstoring automatically8secondslater.Togo back tothefunctions
without anychangepress the MENU button again. Pleaserefertothefollowing diagramto
address yourDMX512 channelforthefirst 4units.
DMXaddress can besetting remotelybyIL-0824 controller. NoneedtocalculatetheDMX
channelsof eachfixtureinthechain.

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5. How To Control TheUnit
You can operatetheunit inthree ways:
1. Bymaster/slavebuilt-inpreprogramfunction
2. Byeasy controller
3. ByiLead controller(pleaserefertotheuserguideof iLead )orbyuniversalDMX
controller
Noneedtoturntheunit off whenyou changetheDMXaddress,asnewDMXaddress setting
will beeffectedat once. Everytimeyou turntheunit on, it will showIM8S/ IM7Son the
displayand moveall themotorstotheir ‘home position and you mayhearsomenoisesfor
about 20 seconds.Afterthat theunit will bereadytoreceiveDMXsignalorrun thebuilt-in
programs.
5.1Master/Slave Built-In Preprogrammed Function
You can select blackout mode in (yesblackout)or (no blackout)
modewhiletheunit isturnedon. Bylinking theunitsinmaster/slaveconnection,thefirstunit
will controltheotherunitstogivean automatic, sound activated, synchronizedlight show.
Thisfunction isgood whenyou wantan instantshow.You havetoselect (show1)or
(show2)or (show3)or (show4)modebyeasy controller. Its
DMXinputjack will havenothing pluggedintoit, and ItsmasterLEDwill beconstantlyon and
sound LEDwill flashtothemusic.Theotherunitswill havetosetinslavemode and
select (normal)or (2light show)mode,TheirDMXcablespluggedintothe
DMXinput jacks (daisy chain)and theslaveLEDlightswill constantlyon.
2-lightshow
In (slavemode), meanstheunitworks normallyand means2-light
show. Inordertocreateagreat light show, you can set on thesecond unit toget
contrast movement toeachother, evenif you havetwounitsonly.
5.2Easy Controller
Theeasy remotecontrollerisusedonlyinmaster/slavemode. By
connecting tothe1/4”microphonejack ofthefirstunit, you will find that
theremotecontrolon thefirst unit will controlall theotherunitsfor
Stand by, Function and Mode.
ShowMode
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (show1)or
(show2)or (show3)or (show4)mode. Oncethemodehasbeen
selected, press the ENTER button tosetup orautomaticallyreturntothemainfunctions
without anychangeafter8seconds.Togo back tothefunctionswithout anychangepress
the MENU button again.
Show1mode-Fixtureisplacedon thefloor.Tilt movement angle210°.
Show2mode-Fixtureisfixedunderceiling.Tilt movement angle90°.
Show3mode-Fixtureisplacedon thespeaker,Thespot isalways projecting to
theaudience sdirection; i.einfront of thestage. Pan movement angel(left to
righttoleft ): 160°.Tilt movement angel:90°(60°abovehorizon; 30°below
horizon.)
Show4mode-Fixtureisfixedunderceiling.Thespotismainlyprojecting infront
of thestage. Pan movement angel(left toright toleft ):160°.Tilt movement
angel: 90°(vertically, front 75°; back 15°)
Slave Mode
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink. Use DOWN and UP button toselectthe (normal)or
(2light show)mode. Oncethemodehasbeenselected, press the ENTER button to
setup orautomaticallyreturntothemainfunctionswithoutanychangeafter8seconds.Togo
back tothefunctionswithout anychangepress the MENU button again.
BlackoutMode
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink. Use DOWN and UP button toselect the (yes
blackout)or (no blackout)mode. Oncethemodehasbeenselected, press the
ENTER button tosetup orautomaticallyreturntothemainfunctionswithoutanychangeafter
8seconds.Togo back tothefunctionswithout anychangepress the MENU button again.

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ColorMode
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (normal)or
(split color) mode. Oncethemodehasbeenselected, press the ENTER button to
setup orautomaticallyreturntothemainfunctionswithoutanychangeafter8seconds.Togo
back tothefunctionswithout anychangepress the MENU button again.
PanInversion
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (normal)or
(pan inversion)mode. Oncethemodehasbeenselected, press the ENTER button
tosetup orautomaticallyreturntothemainfunctionswithoutanychangeafter8seconds.To
go back tothefunctionswithout anychangepress the MENU button again.
TiltInversion
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (normal)or
(tilt inversion)mode. Oncethemodehasbeenselected, press the ENTER button to
setup orautomaticallyreturntothemainfunctionswithoutanychangeafter8seconds.Togo
back tothefunctionswithout anychangepress the MENU button again.
DimmerInversion
Press the MENU button up towhenthe isshownon thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (normal)or
(dimmerinversion)mode. Oncethemodehasbeenselected, press the ENTER
button tosetup orautomaticallyreturntothemainfunctionswithout anychangeafter8
seconds.Togo back tothefunctionswithout anychangepress the MENU button again.
LedDisplay
Press the MENU button up towhenthe isshowing on thedisplay. Pressing ENTER
button and thedisplaywill blink.Use DOWN and UP button toselectthe (Ledon)or
(Ledoff)mode. Oncethemodehasbeenselected, press the ENTER button to
setup orautomaticallyreturntothemainfunctionswithoutanychangeafter8seconds.Togo
back tothefunctionswithout anychangepress the MENU button again.
DisplayInversion
It isgood foryou toinstall theunit on thefloororunderceiling.Press the MENU button up to
whenthe isblinking on thedisplay. Usethe ENTER button tochangetothemode
(displayinversion), It will automaticallystoreafter8seconds. Orpress the ENTER
button againreturntothemode (displaynormal).Togo back tothefunctionspress
the MENU button.
Displaynormalmodeforthefixtureputting on thefloor.
Displayinversion modeforthefixturefixing underceiling.
FocusAdjust
Press the MENU button up towhenthe isblinking on thedisplay. Pressing ENTER
button,theunitwill focuson tilt90°,and thentheunitwill focuson pan 0°,pan 90°,pan 180°,
pan 270°ineverypressing ENTER button. Use DOWN and UP button toadjust focus.Togo
back tothefunctionspress the MENU button again.
Self-Test
Press the MENU button up towhenthe isblinking on thedisplay. Pressing ENTER
button and theunit will run self-test bybuilt-inprogram.Togo back tothefunctionspress the
MENU button again.
FixtureHours
Press the MENU button up towhenthe isblinking on thedisplay. Pressing ENTER
button and thedisplaywill showthenumberof working hoursof theunit. Togo back tothe
functionspress the MENU button again.
Reset
Press the MENU button up towhenthe isblinking on thedisplay. Pressing ENTER
button and all channelsof theunit will returntotheirstandardposition.Togo back tothe
functionspress the MENU button again.