User's Manual

Managing Power
PoweringtheReceiver
36
P/N:7010Ͳ1004
Youcanalsoat tachthebatterychargertoatripod,abelt,oranRTKpoletoprovideexternalpowertothebasestationor
rover.
BeforeusingtheGRͲ5,fullychargethebatteriesformaximumoperatingtime.
Charging Temperatures
Chargethebatteriesonlyintemperaturesbetween32
o
F(0
o
C)and113
o
F(45
o
C).
Anoptimalchargingtemperatureisbetween50
o
F(10
o
C)and77
o
F(25
o
C).Ifpossible,chargethe
batterieswithinthist emperaturerange.
Charging Procedure
Therearetwowaystochargethereceiver’sdetachablebatteries:
• whiletheyareattachedtothe receiver
• whiletheyareattachedtothe chargingcradle
Ifthebatteriesareattachedtothereceiverortothechargingcradle,inapproximatelysixhoursthebatterieswill be
simultaneouslyfullycharged.
TheLiͲIonbatteriesusedinthebatterypacksshouldrunatnolessthan80%capacityafter500chargingcycles.Youdo
notneedtodrain
theseba
tteriesbeforerecharging.
Tochargethebatteriesusingthepowersupplyunit:
0
o
C
32
o
F
45
o
C
113
o
F
10
o
C
50
o
F
25
o
C
77
o
F