Frequently Asked Questions

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MagnetoSpeed Downloads

This document shows the steps on how to create an order for customers who are tax exempt.

<p>WARNING: Before you start the update, back up any archived data. The upgrade will clear the SD card. Place your cursor over the link, RIGHT CLICK, and select SAVE LINK AS to download directly to your computer. Make sure the file to the firmware is kept as a HEX FILE. Do not change the format to anything else, and make sure it is not a hyperlink. The file name MUST be named fw.hex (lowercase only). Once the file is on your computer, remove the SD card from your V3 display and put it into your computer's SD card slot. Use the larger microSD card adapter (included in the V3 kit) if needed. Copy and paste OR drag the file from your computer to the SD card. Remove the SD card from your computer and re-insert it back into the V3 display. Here is the link to the instructional video that shows you how to start the Bootloader program on the V3 display: https://www.youtube.com/watch?v=oyG1PWWsqwg. Please select slow upgrade, not regular upgrade, when prompted by the display. The update will take about 4-5 minutes. When SUCCESS shows up on the display, follow the prompts on the display to get back to the ready screen. If you have any issues, please email rhey@magnetospeed.com.</p> <p>WARNING: Computers/laptops with Windows-based OS are recommended. Mac and Mac products will be difficult to download the file in the correct format.</p>

Documents shows the latest firmware revision and previous revisions as well.

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The accuracy of our chronographs can be expected to be between 99.5% and 99.9%.

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Yes, solids should perform about the same as standard copper-jacked rounds. If the round is made out of something that has very low electrical conductivity (like lead) you may have to make the device more sensitive by changing the bullet type setting, but most solids should work with the default settings.

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Yes, the MagnetoSpeed V3 was designed to work with larger barrels and suppressors up to 2 inches in diameter. The Sporter was designed to be used with rifles up to 1" in barrel diameter. If you require a custom lab setup for rail mounted guns please contact us for details on our custom services.

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This means that you will need to do a firmware update on your chronograph. Please see the directions found here: Firmware update

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Magnetospeed chronographs can work with both lead and steel projectiles, though the sensitivity may need to be adjust for lead-only rounds. The same applies for shot loads, however we do not recommend use with #7 bird shot and smaller due to a drop in accuracy.

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The main difference is that the Sporter can fit on barrels from .5" to 1" in diameter. The V3 can fit on barrels and suppressors from .5" to 2" in diameter. Use this comparison chart to see major and minor differences.

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No. The Sporter was not designed for use with a suppressor.

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No. The V3 rail adapter can only be used with the V3 bayonet.

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No. The tapered spacer kit will only work with the V3 bayonet.

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Yes. All bayonets and displays are compatible with each other.

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The error 2 message you are seeing is actually a spacing and sensitivity error. The instructions that you received have been updated and are available on our website. The only major change is the error messages. Vertical distance or the space between the bullet flight path and the top of the sensor deck needs to be between .125 and .25" One of the two rubber V block pads should get your between that threshold if you barrel is between .5" and 1" in diameter. horizontal spacing (the space between the end of your rifle and the beginning of the flat portion of the sensor deck) needs to be between 1" to 1.5" If you are shooting .30cal and larger; start with a setting of REG (regular). If you are shooting .30cal down to .223, start with REG and then try HI 1. If you are shooting .223 and smaller, start with HI 1, but you will most likely need to use HI 2 for smaller calibers like .22lr. If confirming spacing and sensitivity settings doesn't work, please contact us.

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If you are getting to the 4 dashes but not getting any readings or error 2 or 5 messages (or any error with number message); then it is possible that you have the sensitivity setting not adjusted or the vertical alignment. Vertical distance or the space between the bullet flight path and the top of the sensor deck needs to be between .125" and .375". The recommended .25" is optimal. One of the two rubber V block pads should get you between that threshold if your barrel is between .5" and 1" in diameter. The horizontal spacing (the space between the end of your rifle and the beginning of the flat portion of the sensor deck) needs to be between 1" to 1.5" If you are shooting .30cal and larger; start with a setting of REG (regular). If you are shooting .30cal down to .223, start with REG and then try HI 1. If you are shooting .223 and smaller, start with HI 1, but you will most likely need to use HI 2 for smaller calibers like .22lr. A chart and additional information are on this link: Chart If confirming spacing and sensitivity settings doesn't work, please contact Email

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Please reference the QUICK START guide in your instructions. Make sure that you have the thumbnut at the very bottom of the threads before mounting the bayonet on your barrel.

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