7
Introduction
I
The instructions in this manual describe the HELIX control head operations. Review the following table to understand the features
that apply to your control head.
Model
Sonar
(2D)
Down
Imaging
Side
Imaging
CHIRP
Ethernet
(optional)
GPS
(Charts and Navigation)
HELIX GPS G2
HELIX SONAR G2
External GPS, trackplotting
(separate purchase required)
HELIX DI G2
External GPS, trackplotting
(separate purchase required)
HELIX CHIRP DI G2
External GPS, trackplotting
(separate purchase required)
HELIX CHIRP GPS G2/G2N
G2N
models only
HELIX CHIRP DI GPS G2/G2N
G2N
models only
HELIX CHIRP SI GPS G2/G2N
G2N
models only
HELIX CHIRP MEGA SI GPS G2N MEGA MEGA
HELIX CHIRP MEGA DI GPS G2N MEGA
ICE HELIX CHIRP G2
External GPS, trackplotting
(separate purchase required)
ICE HELIX CHIRP GPS G2/G2N
G2N models
(in Open Water Mode only)
ICE HELIX CHIRP GPS G3/G3N
G3N models
(in Open Water Mode only)
HELIX CHIRP GPS G3/G3N
G3N
models only
HELIX CHIRP MEGA DI GPS G3/G3N MEGA
G3N
models only
HELIX CHIRP MEGA SI GPS G3/G3N MEGA MEGA
G3N
models only
HELIX CHIRP MEGA DI+ GPS G3N MEGA+
HELIX CHIRP MEGA SI+ GPS G3N MEGA+ MEGA+
HELIX CHIRP GPS G4N
HELIX CHIRP MEGA DI GPS G4N MEGA
HELIX CHIRP MEGA DI+ GPS G4N MEGA+
HELIX CHIRP MEGA SI+ GPS G4N MEGA+ MEGA+