Insignia 105SX - Manual (Page 28)

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can be caused by other electronic devices. Turn off any nearby electronics
and see if the problem goes away. Noise can also be caused by the engine.
If engine noise is causing the interference, the problem will intensify at
higher RPMs. Increase the engine speed with the boat stationary to isolate
this cause. Propeller cavitation can appear as noise on-screen. If the
transducer is mounted too close to the propeller, the turbulence generated
can interfere with the sonar signal. Ensure that the transducer is mounted
at least 15" (38cm) from the prop.
HUMMINBIRD ONE YEAR FULL WARRANTY
First year repairs (from original date of purchase) on your 105SX are
absolutely free. This does not include physical damage to the unit or its
accessory items. Any modification or attempt to repair the original
equipment or accessories by unauthorized individuals will void the
warranty. Return the warranty registration card and retain your bill of sale
for warranty verification. Accessories not manufactured under the
Humminbird trade name are not covered by our warranty. The customer
is responsible for shipping charges to Humminbird. Humminbird will
provide ground UPS or Parcel Post shipping back to the customer free of
charge. This warranty applies to the original purchaser only.
This warranty is in lieu of all other warranties expressed or implied and no
representatives or persons are authorized to provide for any other liability
in connection with the sale of our products. Humminbird reserves the
right to perform modifications or improvements on its products without
incurring the obligation to install the changes on units previously
manufactured, sold, delivered, or serviced.
THIS IS A FULL WARRANTY AS DEFINED BY THE FEDERAL WARRANTY
ACT, EFFECTIVE JULY 4, 1975.
MAINTENANCE AND WARRANTY
WARRANTY