Humminbird 947C - Manual (Page 84)

900 Series™ Defaults to Simulator with a Transducer Attached
A connected and functioning transducer will cause the newly-started 900 Series™ to
go into Normal operating mode automatically. If, when you power up the 900 Series™,
it goes into Simulator mode automatically, even though a transducer is already
connected, this means that the control head is not detecting the transducer. Perform
the following troubleshooting tasks:
• Using the Installation Guide that also comes with your 900 Series™, check to make
sure that the transducer cable is securely connected to the 900 Series. Reconnect
if necessary, and power up the 900 Series™ again to see if this fixes the problem.
• Replace the non-functioning transducer with a known good transducer if available
and power up the control head again.
• Check the transducer cable. Replace the transducer if the cable is damaged or
corroded.
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