FUTABA 12Z Series Instruction Manual page 20

Receiver nomenclature
Before using the receiver, be sure to read the precautions listed in the following pages.
Receiver R5014DPS
Antenna
20 <Before Use>
Connector
"1 through 12": outputs for the channels 1 through 12
Connectors
"DG1", "DG2": outputs of DG1 and DG2 channels
"B/C": connector for the power and DSC.
LED Monitor
This monitor is used when changing the
frequency of the receiver.