Chapter 2 - Introducing the 958
Interfacing the 958
Page 28
The 958 can be connected to a wide variety of compatible
marine devices, including the Northstar 490 that adds
complete fishfinding capability to the 958. This type of
connection should be done by a qualified marine electronics
technician. For details, contact your local authorized Northstar
dealer.
958 Operator's Manual, Rev. A