Futaba 2PKA AM - Manual (Page 4)

The BEC mark is displayed on the front of the receiver of BEC
(Battery Eliminator Circuitry) system sets with a receiver with shared
power supply regulator.
RECEIVER FP-R102GR AND SERVO FP-S148
Fig. 11
(3) When motor car uses an ordi-
nary common power supply
chassis
Red common 2P
connector
(Female pins)
Buy the red common 2P
connector from the kit
manufacturer and connect to
the controller.
Pin 1: Minus
Pin 2. Plus
(2) When motor car uses a speci-
al BEC system chassis (com-
mon power supply specifi-
cations)
Red common 2P
connector
Connect to the red common
2P connector of the control-
ler.
The Futaba BEC (Battery Eliminator Circuitry) system can also use a common power supply with the conventional four penlight
batteries system (separate power supply).