User's Manual

3.BatteriesandPower
N72GNSSReferenceReceiverUserGuidePage17
3.4. CHARGINGTHEBATTERY 
TherechargeableLithium‐ionbatteryissuppliedpartiallycharged.Charge
thebatterycompletelybeforeusingitforthefirsttime.Ifthebatteryhas
beenstoredforlongerthanthreemonths,chargeitbeforeuse.
Whenconnectedtoasuitablepowersource,theinternalbatterycharges
fullyin10hours.
WARNING
–ChargeandusetherechargeableLithium‐ionbatteryonlyin
strictaccordancewiththeinstructions.Chargingorusingthebatteryin
unauthorizedequipmentcancauseanexplosionorfire,andcanresultin
personalinjuryand/orequipmentdamage.
Topreventinjuryordamage:
– Donotchargeorusethe
batteryifitappearstobedamagedorleaking.
– ChargetheLithium‐ionbatteryonlywithintheN72receiver.The
batterycanonlyberemovedbyanauthorizedCHCServiceCenter.
3.5. STORINGTHEBATTERY 
TheinternalLithium‐ionbatteryadoptsaself‐protectionmechanismthat
protectsthebatteryfromdischargewhenitsvoltageisbelow6Vandshuts
downthereceiver.Theinternalbatterywillbeactivatedwhenchargedby
theexternalpowersupply.
Donotstorethereceiverattemperaturesoutsidetherange
‐45°Cto+80°C
(‐49°Fto+176°F).
Theinternalbatterywillonlychargefromanexternalpowersourcethat
deliversmorethan11V,forexample,anACpoweradaptor.Thereceiveris
suppliedwithamainspowersupplyunitthatrechargesthebatteryinside
the
receiverwhenitisconnectedthroughtheadaptortoeitheroftheLemo
ports.Whenyouusethereceiverinalong‐terminstallation,CHC
recommendsthatyouusethispowersupplyoranotherthatprovidesat
least12VDCatalltimestokeeptheinternalbatterycharged.This
will
ensurethattheinternalbatteryprovidesanuninterruptedpowersupply
thatwillkeepthereceiveroperationalforupto17hoursafterapower
failure.
3.6. REMOVINGTHEBATTERY
TheinternalLithium‐ionbatterymayberemovedonlyatanauthorizedCHC