User's Manual

RegulatoryNotices
61
BatteryPrecautions

Donotimmersethebatteryintowater,whichcouldshort‐circuitanddamagethebattery.

Donotexposethebatterytoanopenflameorleavethebatterywhereitcouldbe
subjectedtoextremlyhightemperatues,whichcouldcausethebatterytoexplode.

Dopowerthehandsetoffbeforeremovingthebattery.

Donottrytousethebetteryforthepowersupplyofanydeviceotherthanthishandset.

Donotopenormutilatethebattery,releasedelectrolyteiscorrosiveandmaycause
damagetotheyoureyesorskin.

Useonlytherechargeablebatterypackdeliveredwiththehandsetorthoserechargeable
batterypacksexpresslyrecommendedbyYealink.

Defectiveorexhaustedbatteriesshouldneverbedisposedofasmunicipalwaste.Return
oldbatteriestothebatterysupplier,alicensedbatterydealeroradesignatedcollection
facility.
NoticesofCleaning

Beforecleaningthebasestation,stopusingitanddisconnectitfromthepowersupply.

Removethebatterybeforecleaningthehandsettoreduceriskofelectricshock.

Onlycleanyourproductwithapieceofslightlymoistandanti‐staticcloth.

Keepthepowerplugcleananddry.Usingadirtyorwetpowerplugmayleadtoelectric
shockorotherperils.