Sonar CH1 - blue connector
Supports:
• Sonar / CHIRP Sonar
• DownScan
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Note: A 7-pin transducer cable can be connected to a 9-pin port using a 7-pin to 9-pin
adaptor cable. However, if the transducer has a paddle wheel speed sensor, the water-
speed data will not be displayed on the unit.
Connector details
Unit socket (female)
Pin Purpose
1 Drain/Ground
2 Not used
3 Not used
4 Transducer -
5 Transducer +
6 Not used
7 Not used
8 Temp +
9 Transducer ID
Sonar CH2 - black connector
Supports:
• Sonar / CHIRP Sonar
DownScan
SideScan
Active Imaging/Active imaging 3-in-1/TotalScan/StructureScan
ForwardScan
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Note: A 7-pin transducer cable can be connected to a 9-pin port using a 7-pin to 9-pin
adaptor cable. However, if the transducer has a paddle wheel speed sensor, the water-
speed data will not be displayed on the unit.
Ú
Note: Channel 2 can do SideScan via an Active Imaging, Active Imaging 3-in-1,
TotalScan, or StructureScan HD transducer.
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Wiring | NSS evo3S Installation Manual