Self Test; Accessory Test - Humminbird 161 Operation Manual

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.
System Status Self Test Screen

Accessory Test

Accessory Test lists the accessories connected to the
system.
NOTE: The speed accessory will be detected only if the
TM
paddlewheel has moved since your 100 Series Fishing
System was powered up.
System Status Accessory Test Screen
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