User manual
SD900‐en‐GB_V1.101/16
8
SystemRESET
IfaconditionappearswheretheCPUdoe snotrespondtokeystrok esorthemeterseemsfrozen,
presstheRESETbutto nonthe sideof thedatalogg er(useapaper clipor similarpoint ed object)to
returnthemeter toawo rkingstate.
RS232Interface
Forstreamingofda tatoaPCviatheRS232Outputjack,theoptional407001‐USBkit (RS 232to
USBcableanddr iver CD)alongwiththe407001software(availablefreeatwww.extech.com)are
required.
Backlight
Pressthe butt ontoturnonthebacklight.Thebacklightwillautoturnof fafter5seconds.
4. Maintenance
BatteryReplacement
1. Toreplaceorinstallbatteries,removethePhilipsheadscrewthatsecurestherear
batterycoverandliftoffthecover.
2. ReplacethesixAAAbatteries(usealkalineheavydutytype),observingpolarity.
3. Replaceandsecurethecover.
BatterySafetyNotes:Pleasedisposeofbatteriesresponsibly;never
disposeofbatteriesina
fire,batteriesmayexplodeorleak.Ifthemeterisnottobeusedfor60daysormore,remove
thebatteryandstoreseparately.Donotmixbatterytypesorfreshnesslevels;pleaseuse
batteriesofthesametypeandofthesamefreshnesslevel.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate
collectionsites,theretailstorewhere thebatterieswerepurchased,orwherever
batteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.The
userisobligatedtotake
end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic
equipment.
CleaningandStorage
Periodicallywipethecasewithadampclothandmilddetergent;donotuseabrasivesor
solvents.
Pleaseremovethebatteriesifthemeterisstoredforalongperiodoftime.