Humminbird Marine GPS System 4087301 User Manual

4.1

Out of 8 Ratings

Owner's of the Humminbird Marine GPS System 4087301 gave it a score of 4.1 out of 5. Here's how the scores stacked up:

  • Reliability

    4.14 out of 5

  • Durability

    4.29 out of 5

  • Maintenance

    4.0 out of 5

  • Performance

    4.0 out of 5

  • Ease of Use

    4.14 out of 5
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5. Test and Finish the Installation
Once you have installed both the control head and the transom transducer, and
have routed all the cables, you must perform a final test before locking the
transducer in place. Testing should be performed with the boat in the water.
1. Press POWER once to turn the control head on. If the unit does not
power up, make sure that the connector is fully plugged into the
terminal slot and that power is available.
2. If all connections are correct and power is available, the Humminbird®
control head will enter Normal operation.
3. If the bottom is visible on-screen with a digital depth readout, the unit
is working properly. Make sure that the boat is in water greater than
2' but less than the depth capability of the unit, and that the
transducer is fully submerged, since the sonar signal cannot pass
through air.
NOTE: The transducer mustbe submergedin water for reliable transducer detection.
4. If the unit is working properly, gradually increase the boat speed to
test high-speed performance. If the unit functions well at low speeds,
but begins to skip or miss the bottom at higher speeds, the transducer
requires adjustment.
5. If you have the correct angle set on the transducer, yet lose a bottom
reading at high speed, adjust the height and the running angle in
small increments to give you the ideal transducer position for your
boat. First, adjust the height in small increments (Figure 23).
NOTE: The deeper the transducer is in the water, the more likely that a rooster tail of
spray will be generated at high speeds,so make sure that the transducer isas high asit
can be and still be submerged in thewater.
If you are still not getting good high speed readings, you may need to disassemble
the transducer mounting assembly and re-position the ratchets (Figures 18a - 18d).
If you do change the transducer position, re-trace the position of the mounting
bracket before proceeding.
18
Transom Transducer Installation

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