IMPORTANT
SAFETY
INSTRUCTIONS
THESE
INSTRUCTIONS
ARETOPROTECT
YOUANDTHE
MclNTOSH
INSTRUMENT.
BESURETO
FAMILIARIZE
YOURSELF
WITHTHEM
Copyright1993© by
MclntoshLaboratoryInc.
1.Readallinstructions- Readthesafetyandoperatinginstructionsbeforeoperatingtheinstrument.
2.RetainInstructions- Retainthesafetyandoperatinginstructionsforfuturereference.
3.Heedwarnings- Adheretowarningsandoperatinginstructions.
4.FollowInstructions- Followalloperatinganduseinstructions.
WARNING:
TO
REDUCERISK
OF
FIRE
OR
ELECTRICAL
SHOCK,
DONOT
EXPOSETHIS
IN-
STRUMENTTORAINORMOISTURE.
5.PowerSources- Connectthepowersupplyonlytothetypedescribedintheoperatinginstructions
orasmarkedontheunit.
6.Power-CordProtection- Routepower-supplycordssothattheyarenotlikelytobewalkedonor
pinchedbyitemsplaceduponoragainstthem,payingparticularattentiontocordsatplugs,
conveniencereceptacles,andthepointwheretheyexitfromtheinstrument.
7.Ventilation- Locatetheinstrumentforproperventilation.Forexample,theinstrumentshouldnot
beplacedona bed,sofa,rug,orsimilarsurfacethatmayblockventilationopenings;or,placed
ina built-ininstallation,suchasa bookcaseorcabinet,thatmayimpedetheflowofairthrough
theventilationopenings.
8.Heat- Locatetheinstrumentawayfromheatsourcessuchasradiators,heatregisters,stoves,or
otherappliance(includingamplifiers)thatproduceheat.
9.WallorCabinetMounting- Mounttheinstrumentina wallorcabinetonlyasdescribedintheowner's
manual.
10.WaterandMoisture- Donotusetheinstrumentnearwater- forexample,neara bathtub,washbowl,
kitchensink,laundrytub,ina wetbasement,orneara swimmingpool,etc.
11.Cleaning- Cleantheinstrumentbydustingwitha drycloth.Cleanthepanelwitha clothmoistened
witha windowcleaner.
12.ObjectandLiquidEntry- Donotpermitobjectstofallandliquidstospillintotheinstrumentthrough
enclosureopenings.
13.PowerLines- Locateanyoutdoorantennaawayfrompowerlines.
14.OutdoorAntennaGrounding- Ifanoutdoor
antennaisconnectedtotheantennater-
minal,besuretheantennasystemis
groundedtoprovidesomeprotectionagainst
voltagesurgesandbuiltupstaticcharge.
IntheU.S.A.,section810oftheNational
ElectricalCode,ANSI/NFPANo.70-1978,
providesinformationontheproperground
forthemastandsupportingstructure,
groundforthelead-inwiretoanantenna
dischargeunit,andsizeofgroundconduc-
tors,locationofantenna-dischargeunit,con-
nectontogroundingelectrodes,andre-
quirementsforthegroundingelectrode.
Forgroundwire:
a)UseNo.10AWG(5.3mm2)copperNo.8
AWG(8.4mm2)aluminum,No.17AWG(1.0mm2)copper-cladsteel,bronzewire,orlargerasground
wire.
b)Secureantennalead-inandgroundwirestohousewithstand-offinsulatorsspacedfrom4 feet
(1.2meters)to6 feet(1.83meters)apart.
c)Mountantennadischargeunitascloselyaspossibletowherelead-inentershouse.
d)UsejumperwirenotsmallerthanNo.6AWG(13.3mm2)copperorequivalentwhenseparateantenna
groundingelectrodeisused.
15.NonusePeriods- UnplugthepowercordfromtheACpoweroutletwhenleftunusedfora longperiod
oftime.
16.DamageRequiringService- Servicemustbeperformedbyqualifiedservicepersonnelwhen:
A.Thepowersupplycordortheplughasbeendamaged;or
B.Objectshavefallen,orliquidhasbeenspilledintotheinstrument;or
C.Theinstrumenthasbeenexposedtorain;or
D.Theinstrumentdoesnotappeartooperatenormallyorexhibitsa markedchangeinperformance;
or
E.Theinstrumenthasbeendropped,ortheenclosuredamaged.
17.Servicing- Donotattempttoservicebeyondthatdescribedintheoperatinginstructions.Allother
serviceshouldbereferredtoqualifiedservicepersonnel.
ANTENNA
DISCHARGEUNIT
(NEC
SECTION810 20)
GROUNDING
CONDUCTORS
(NECSECTION810 21)
POWERSERVICEGROUNDING
ELECTRODESYSTEM
(NECART240 PARTH)
2
ANTENNA
LEADINWIRE
GROUND
CLAMPS