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Using the Defective Pixel Repair Feature in Pulsar Thermal Optics

Have you ever seen a small pixel in your Pulsar Thermal optic’s screen that you wish wouldn’t stick out like a sore thumb? If you fire your gun a lot these pixels-that-need-repair occasionally occur, but fear not, Pulsar has anticipated this and provided a way to resolve it. I had one on my screen for a few months before I investigated it and the good news is that it’s simple to correct!

What is a “Defective Pixel”?

A “defective pixel” is a pixel within your viewfinder or screen that is “degraded”, sticks out, and won’t go away even after your scope calibrates. I’ve owned a Pulsar Trail XP-50 for over 2 years and in this time, I’ve only had 2 defective pixels. Though, when it does happen, over time it will bother you enough to want to know how to fix it.

Here’s a screenshot of one of my defective pixels while in “White-Hot” mode

Screenshot of a defective pixel in a Pulsar Trail XP-50 Thermal scope

In this screenshot, the defective pixel may not seem like a big deal, but when you’re hunting and looking through the viewfinder it can become distracting to your eye over time, especially if it’s near the crosshairs. While hunting with the defective pixel shown in the screenshot above there were several times I panned the horizon and mistook the small white dot for being an animal that was a great distance out.

How to Repair Defective Pixels

The first thing to do if you notice a defective pixel or something that doesn’t look correct in your viewfinder is to calibrate the optic. If you haven’t changed any settings on your scope then your Pulsar thermal optic will automatically calibrate every so often to ensure what you’re seeing is accurate, clear, and crisp. Calibrating the optic makes the clicking sound that you may have grown accustomed to hearing by now if you own a thermal optic.

These calibrations can be forced by pressing the power button in the Trail models. If my screen ever gets hazy or I notice something not sharp in the viewfinder I simply calibrate the scope. With all that said, the first thing to do if you notice a defective pixel is to force a calibration because generally that will fix it.

If calibrating the optic doesn’t resolve the issue then repair the defective pixel by going to one of the last menu options in the menu system, the “Defective Pixel Repair” option.

Screenshot of the Defective Pixel Repair menu option in a Pulsar Trail XP-50 Thermal Scope

Once you choose this option it’s simple. The system presents you with a pixel selector and provides you with the ability to move the X & Y coordinates. This task feels very similar to sighting in the scope.

Screenshot of the defective pixel XY Coordinate selector in a Pulsar Trail XP-50 Thermal Scope

Just move the X & Y coordinates until you are right on top of the defective pixel. As you update the values for the X & Y coordinates the pixel selector will move across the screen as shown below. The pixel selector surrounded by the box is like the Picture-In-Picture feature and is a magnified (zoomed in) version of the pixel selector.

Animation showing the XY cordinate selector in a Pulsar Trail XP-50 thermal scope

The goal is to move the defective pixel selector on top of (or as close as possible to being on top of) the defective pixel.

Screenshot of the defective pixel in the middle of the XY coordinate selector in a Pulsar Trail XP-50 thermal scope

Once you have the defective pixel lined up you then need to hit the record button, yes, the record button. The system will repair the pixel and respond with an “OK” message.

Note: You can also use the remote control to do this as shown in this video by Michael Bennett

Screenshot of the pixel repair confirmation message in a Pulsar Trail XP-50 thermal scope

And that’s all there is to it! Note that depending on your unique situation, it may take repairing multiple pixels to get the screen back to the desired state. In one of the previous defective pixel scenarios, I had to repair 2 pixels before it was back clear, and the pixel was no longer bothering me.

I also made a quick video walking through this process. You can see the video below:

I hope you found this content helpful. If so, leave me a comment below.




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