Futaba 7G Contest 7 - Manual (Page 5)

CHARGE THE NICKEL-CADMIUM BATTERY BEFORE USING
•Connect theTX jack of the FBC-2(F) charger to the charging
jack of the transmitter and the RX jack of the charger to
the receiver/servo nickel-cadmium battery and connect the
Charger to an AC 117V (220V, 240V) socket.
The TX and RX LE D of the charger will be lighted to indicate
that the battery is being charged.
•Charging time is normally about 15 hours. When the battery
has not been used for some time, charge it for about 20 hours.
•The transmitter and receiver nickel-cadmium batteries can
be charged simultaneously or separately.
•The usable time is normally about 10 times at a rate of 10
minutes/time.
•Be sure that the batteries are connected to the proper charg-
ing jacks of the FBC-2(F) charger. If the receiver/servo nickel-
cadmium battery (NR-4E) is connected to the TX jack, the
battery will be rapidly charged and a large current will flow
and the battery and charger will be damaged.