Connect To The Control Head - Humminbird AS GR50 Installation Manual

3. Connect to the Control Head

Use the following instructions to connect the Sensor cable to the control head.
1. Proceed to the instructions that correspond with your control head
model.
HELIX: Insert the Sensor's NMEA-COM connector into the control head's
COM port. The connectors are keyed to prevent reversed installation, so
be careful not to force the connector into the port. See your control head
installation guide for details.
HELIX 7 Control Head Ports
Ethernet power
HELIX 8, 9, 10, 12 Cable Tray
transducer
pin Ethernet
COM
(communications)
transducer
Optional: Use a Y-Cable to connect Transducer
and Speed Sensor Accessory
COM
(communications)
temp/speed
17
power
pin
Installation