Self Test

Self Test displays results from the internal diagnostic self test, including unit serial number, Printed Circuit Board (PCB) serial number, software revision, total hours of operation and the input voltage.

Self Test Screen

Accessory Test

Accessory Test lists the accessories connected to the system.

Accessory Test Screen

NOTE: The speed accessory will be detected only if the paddlewheel has moved since your 900 Series™ was powered up.

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Humminbird 917C, 957C manual Self Test, Accessory Test