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Frequently Asked Questions

Downrigger Questions

Q: Do I need to use a coated downrigger cable with the Fish Hawk?
A: No, the Fish Hawk Probe sends data via a sonar signal. The type of downrigger cable you use doesn't matter. Some anglers have switched over to using superbraid, which works just fine with the Fish Hawk.

Q: Do I need the Fish Hawk Display Transducer to use the probe with the Cannon Optimum Downrigger?

A: Yes, the transducer receives the signal from the probe and the display communicates with the Optimum via Bluetooth.

Q: Do I need the Cannon Optimum to view Fish Hawk Data on my Humminbird Helix?

A: Yes

Transducer Questions

Q: Do I need to install the transducer on my boat?
A: Yes, think of the transducer as the "ears" of the Fish Hawk System. The transducer receives the signal sent by the probe.

Q: Where should I mount the Fish Hawk transducer on my boat?
A: This diagram shows recommended locations, or watch this video.

Q: How long is the transducer cable included with the Fish Hawk System?

A: 30-feet, 15-foot extensions can be purchased if needed. Do not cut your transducer cable to attempt to splice or shorten it.

Q: Is there a splitter cable to run two displays off one transducer?

A. No, you would need to install a second transducer.

Q: Do the X4 and X4D use the same transducer and power cord?

A: Yes

Battery Questions

Q: How long do the batteries last in the Fish Hawk Probe?
A: The Fish Hawk Probe runs for at least 100-hours continuous on four AA batteries.

Q: Is it OK to use lithium batteries in my Fish Hawk Probe?

A: Yes, we've seen very good performance from Engergizer Ultimate Lithium batteries 

Q: Can I replace the battery in the Fish Hawk TD?
A: No. The internal lithium battery has a 20-year shelf life and will provide seven to ten years of use in normal conditions. The battery is molded in to withstand water pressures up to 130 psi.

TD Questions

Q: Does the Fish Hawk TD send a signal back to the boat? 
A: No, the TD logs temperature and depth data in on-board memory and you view the data on the built-in LCD after you retrieve it.

Q: How do you attach the Fish Hawk TD to a line or downrigger cable?
A: The TD is packaged with a Duo-Lock snap that is clipped on lines easily.

Q: How fast can I drop the TD through the water column and still get good readings?
A: Very fast. The TD takes readings at a rate of 20 times per second as it descends.

Q: How does the TD read depth?
A: The TD has a highly accurate water pressure sensor to take depth readings.

Q: How is the Fish Hawk TD used to measure the depth of Dipsey Divers or weighted lines?
A: Set the line first as you normally would. Place the TD in BY DEPTH mode. Snap the TD on over the line and turn it on. Wait a few seconds for the word READY to flash on the screen. Allow the TD to slide on the line down to the diver or lure and then retrieve the TD. After reeling the TD in, press the VIEW button. You will see the the MAX depth number, that is the running depth of your diver, lure, or weighted line.

Q: How deep can the TD go?
A: The maximum operating depth for the TD is 300-feet. Permanent damage to the pressure sensor can occur if dropped deeper than 320-feet.

Q: My TD is only giving me temp at the max depth instead of every 5-feet, what gives?

A. You are operating in the BY DEPTH mode, follow these instructions to change back to the BY TEMP mode.

Probe Questions

Q: Will the X4 Probe work with the X4D Display?

A. Yes (and vice versa.) 

Q: Can I leave the Fish Hawk Probe attached to my downrigger cable when the cannonball is stowed?
A: We don't recommend it. The Fish Hawk Probe is very durable but denting the temperature sensor tubes will cause your probe to read temperatures incorrectly. This is not covered under warranty. Remove the probe from the cable when you are done fishing for the day and loosen the cap to allow condensation and pressure to escape. Do this and your probe will last a long, long time.

Q: Does the Fish Hawk X4 Probe work with the Fish Hawk 840 display?
A: Yes, the probe, display, and transducers on the X4 are interchangeable with the legacy Model 840. The X4 probe will also work with the models 800 and Big Jon 900 models but the X4 Display will not work with an 800 or 900 transducer.

Q: How deep can the Fish Hawk Probe transmit?
A: Deeper that you fish. We guarantee transmission down to 200-feet. For use deeper than 150-feet you may need to increase the GAIN setting on the display until you get a solid reading. We've talked to customers who have reported solid readings past 400-feet!

Display Questions

Q: My Fish Hawk numbers read different than my other electronics, can I calibrate the values displayed?
A: Yes, BUT we recommend using it at factory default settings. The Fish Hawk provides mechanical speed which is 100% repeatable. Repeating the number that is producing bites is far more important than the actual value. Mechanical speed will typically be slightly different than GPS SOG.

Q: Will my fish finder interfere with the Fish Hawk System?
A: No. The Fish Hawk X4 operates at unique frequency of 70 kHz. Most depth finders run at 200 kHz with options for use at 50 kHz, 83 kHz or CHIRP settings. The Fish Hawk will not interfere with any 200 kHz, CHIRP, or side-imaging transducer, even if the transducers are mounted side by side. If you want to run your fish finder at 83 kHz, mount the Fish Hawk transducer as far from the 83 kHz transducer as is practical.

Q: Where is the best location to mount the Fish Hawk Display?

A: Most anglers mount the display at the helm. We recommend mounting it near where you control boat speed.

Power Cord Questions

Q: How long is the power cord included with the Fish Hawk System?
A: It is 20-feet long. You can shorten the power cable if you wish but we recommend replacing the in-line fuse holder if you cut it shorter.

Miscellaneous Questions 

Q: Where can I purchase Fish Hawk Products?
A: Several dealers that specialize in Great Lakes trolling tackle stock Fish Hawk Products see our Dealer Locator. You can also purchase directly from us on this website.

Q: Where is Fish Hawk made?
A: Our products are designed and made in the U.S.A.

Shipping Questions

Q: How long does shipping take?
A: Orders placed before 2:00 PM CST are shipped the same business day. Transit times vary by location. 

Q: Can you ship internationally?
A: Yes, customers are responsible for all shipping charges, applicable duties, taxes and brokerage fees.

Warranty Questions

Q: What is the warranty?
A: All Fish Hawk Electronics products have a standard one-year warranty.

Mobile App Questions

Q: Where do I find the Fish Hawk Mobile App?
A: The Fish Hawk App is available at the App Store and Google Play.
For iPhone, iPad: 
https://apps.apple.com/us/app/fish-hawk/id972529358
For Android smart phones, tablets:
https://play.google.com/store/apps/details?id=com.fh.fishhawk

Q: What mobile devices are compatible with the Fish Hawk X4D with Bluetooth® Smart wireless technology?
A: Apple’s iPhone and iPad devices that have Bluetooth 4.0 wireless technology and use iOS Operating System version 7.2 or higher. Android smart phones and tablets that have Bluetooth 4.0 wireless technology and use the Android Operating System version KitKat 4.4 or higher

Q: Is the Fish Hawk Mobile App free?
A: Yes

Q: Can I use the Fish Hawk Mobile App on multiple devices at the same time?
A: No. Fish Hawk data will pair to only one mobile device at a time.

Q: What is the range of the Fish Hawk Display’s Bluetooth signal?
A: The maximum range is 30 meters.

Q: How do I start using the Fish Hawk Mobile App?
A: Open the Fish Hawk App on your mobile device first and then turn on your Fish Hawk Display. When your Fish Hawk Display receives probe information it will send a Bluetooth signal. The status bar in the top right hand corner of the App indicates the strength of the Bluetooth signal and has a “retry” button that allows you to manually refresh the connection if the Fish Hawk data is interrupted and the connection is lost.