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Fish Finders Advisor

Fish Finders Advisor

Lowrance HOOK-4x CHIRP DownScan

February 2, 2016 by admin1 8 Comments

Fish Finder

Sonar &
Transducer

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Features

Lowrance
Hook-4x CHIRP
000-12641-001

Check Price

Sonar:
2D CHIRP
DownScan

Transducer:
000-10976-001

GPS:
N/A

Charts:
N/A

NMEA 0183

4.3" Diagonal
480V x 272H
16-bit color
LED Backlight

The HOOK-4x CHIRP DownScan is one of the Lowrance fish finders that have been discontinued. It’s a fish finder only unit; it does not have a GPS plotter feature like the newer models such as the HOOK2-4x, for example. For reference, this is the Lowrance part number 000-12641-001, the one that comes with the HDI skimmer.

Key Feature and Specifications

  • Screen: 4.3″ diagonal, 480V x 272H pixel matrix, 16-bit color TFT, with 11-level LED backlight
  • Sonar: Broadband CHIRP and DownScan
  • Depth Capability:
    1,000 ft (305 m) CHIRP sonar
    300 ft. (91 m) for DownScan
  • Frequency and Coverage:
    200 kHz (20°) / 83 kHz (60°) for broadband
    455 kHz for DownScan, fore to aft. 4°, port to starboard 57°
    800 kHz for DownScan fore to Aft 2°, port to starboard 38°
  • Transducer: Transom, number 000-10976-001
  • Power Output: 500 Watts (RMS)
  • Power Input: 12 VDC (10-17 VDC min/max)
  • GPS: No
  • Maps: No
  • Routes, Waypoints, Tracks: No

Control unit features and functions

The control unit of the HOOK-4x is quite similar to the Elite-4 unit. It features the same 4.3″ display, with a 16-bit color range and a 480V x 272H pixel ratio. It also features an 11-level LED backlight, overall offering quite a bright screen, and decent readability even in direct sunlight. It’s also IPX7 waterproof, which means it can withstand splashes or incidental water exposure. However, it’s not a full waterproof unit, therefore especially if fishing in saltwater, keep droplets of it, and use a cover if necessary.

The unit is keypad-operated. It does not have touchscreen technology. It has an easy to use interface. It does not have any networking features or a microSD card reader.

Sonar features and functions

For a small unit, the HOOK-4x sure offers quite some impressive sonar capabilities. It features two sonar technologies, 2D CHIRP and DownScan imaging, being capable of four frequencies: 83/200/455/800 kHz. And the model 000-12641-001 presented here also comes with the HDI Skimmer (000-10976-001) that supports both these sonar technologies.

DownScan imaging is great for observing the bottom and the shape of various structures or vegetation, as it offers images close to the clarity of photographs. For DownScan, the unit uses the 455/800 kHz frequencies. The transducer uses thin, fan-shaped beams for these two frequencies, beams with angles of 57° for 455 kHz, and 38° for 800 kHz. DownScan does not use2D high chirp view - HOOK-4 - lowrance CHIRP though.

The 2D standard sonar uses CHIRP technology for a better target separation and for scanning at higher depths. For a small unit, it’s quite something that it can scan up to 1,000 ft. Also, CHIRP supplies a better clarity and less clutter, which is great to have on a rather small screen. To put it differently, the standard 2D sonar of this unit helps a lot to distinguish between structure and fish.

The 2D CHIRP, the unit use 83/200 kHz frequencies, the transducer using conical beams, with angles of approx. 60° for 83 kHz, and 20° for 200 kHz.

The transducer is also equipped with a temperature sensor, enabling the control unit to display water temperature. It comes with a transom mount.

Three of the neat sonar-related functions of this unit are DownScan Overlay, Advanced Signal Processing, and TrackBack.

DownScan Overlay offers the combination of 2D CHIRP with DownScan. It actually overlays DownScan onto the 2D CHIRP sonar. This way, you will benefit from the CHIRP target separation of the 2D, and the great imaging offered by DownScan, in order to easily tell fish from structure, or their relation to a certain structure.

Advanced Signal Processing (or ASP™) is a function that automatically balances sensitivity and noise rejection. With this function set ON, you will save some time with adjusting the unit’s sensitivity and filtering noise manually.

TrackBack is a sonar recording function. The unit has its own internal memory and gives you the possibility to record the sonar feed, and scroll back through it, in case you want to review a certain spot. A data SD card is not required for this. In fact, as we’ve mentioned, this unit does not feature any SD card slots.

The HOOK-4x also offers several other functions, such as Depth Alarm, A-Scope, Bottom Lock, Fish ID and different page layouts with up to 3 panels per view.

The Pros

  • Excellent price for a powerful fishfinder, this unit costs about $150 less than the similar Elite-4X CHIRP.
  • Powerful 2D CHIRP sonar;
  • DownScan imaging for a crystal-clear view;
  • HDI transducer included;
  • Color display;
  • Adjustable backlight for superior readability;
  • Possibility to combine both DownScan and 2D;
  • Split-screen view up to 3 panels per view;
  • Sonar recording;
  • Automatic noise filtering;
  • Various functions included, such as Fish ID, A-Scope, Bottom Lock etc.

The Cons

  • Display a bit small for a 3-panel view;
  • No SD card slot for saving recorded sonar.

Summary

As a final conclusion, we’ll underline once more the difference between the HOOK-4x CHIRP and Elite-4X CHIRP. The HOOK-4x model cannot scan with low-frequency CHIRP, while the Elite-4X is. Evidently, there is a price difference between the two, the HOOK model being considerably less expensive, and a much better choice if you don’t need Low CHIRP.

Other than these, the HOOK-4x CHIRP DownScan unit is a great fish finder for a small boat or kayak. It’s quite powerful for a small unit. Also, it’s one of the cheapest units with CHIRP that you can find at the moment.

Filed Under: CHIRP Fish Finders, DI Fish Finders, Lowrance, Sonar Only, Under $250

Reader Interactions

Comments

  1. Gerry says

    August 18, 2016 at 7:06 am

    How many amps per hour does this unit use?

    Reply
    • admin says

      August 20, 2016 at 8:13 am

      HOOK-4x and 5x:

      Power Requirement: 12 V
      Voltage Input: 10 – 17 V
      Current Drain: 1.1 A
      Transmit Power: 500 W (RMS)

      Reply
      • Greg says

        August 24, 2017 at 3:04 pm

        We were greatly misled by wast marine advertising on the hook 4 as advertised it says its gps enabled its actually falsely advertised I suggested to a friend who Im teaching to navigate the Rehoboth bay in delaware and I suggested this unit so he could punch in the gps coordinates for his marina so he could get back if I wasn’t with him as I use landmarks and the numbered buoys but in the fog that method is close to useless. Thank you for your in depth review and explanations of the features

        Reply
        • Casey says

          January 18, 2018 at 11:36 am

          The hook 4 has gps, the hook 4x doesn’t

          Reply
  2. bobby mcgahey says

    March 25, 2017 at 9:54 pm

    how do you know whitch transducer i have i have throw box away an i dont understand the differance in them thanks

    Reply
    • RichardLP says

      March 30, 2017 at 4:15 pm

      If you bought the HOOK-4x CHIRP DownScan 000-12641-001, it should come with the number 000-10976-001 transducer.

      Reply
  3. Les Laidlaw says

    January 15, 2018 at 10:30 pm

    I have the lowrance hook 4x ice machine and would never own another Lawrence product. I have been a loyal customer and have three different machines and after trying to get service on this I would stay away from anything they sell.

    Reply

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