How's your Apple Watch Ultra experience?

Just last week, Apple released an oversized watch Apple Watch Ultra at the new product launch conference that focuses on professional sports and extreme outdoor scenes. This watch is also the first time Apple has launched the Ultra version of the smartwatch. Unlike the flagship series, in order to meet the needs of professional athletes, the Apple Watch Ultra can last up to 60 hours in extreme mode.

Speaking of his thoughts on the product, veteran diver Haje Jan Kamps said, "I would entrust my life to the Apple Watch Ultra." So, from a professional diver's point of view, what exactly does the Apple Watch Ultra look like? What else can it do in this scene? We try to find out.

Aim for the largest diving scene, more versatile than professional equipment

Apple Watch Ultra is designed for recreational scuba diving at depths of around 40 meters, where diving occurs most frequently. Oceanic + will record dive records such as visibility and currents that divers are most concerned about during diving. In addition, the app also reminds divers when appropriate not to stay too long in the depths and warns them if they surface too quickly, two features that keep people safe while diving important aspects.

As a professional diver, Haje Jan Kamps says, "I'm looking forward to being able to dive with a smartwatch with a digital crown." Because most of the recording devices that divers use today have bulky buttons, and they don't use diving gloves to operate will be more difficult.

The advantage of the Apple Watch Ultra over high-end dive recording devices is that it's not designed for diving, so it's more versatile. Underwater, however, the watch loses signal, but when people return to the surface, these functions can be used normally, which is also not provided by ordinary diving watches.

Improper diving can be life-threatening

Why are dive watches so important? Let's start with the dangers that people may encounter when diving. Have you ever heard of diving decompression sickness? In layman's terms, when you stay underwater for a certain period of time, when you return to the surface, due to the rapid change of pressure, the gas dissolved in the body will not have time to be excreted with breathing, and bubbles will be formed in the tissue and blood. In severe cases, decompression sickness can lead to hemiplegia, coma, and even life-threatening.

Previously, such diseases were usually seen in people who work in caves, astronauts, etc., but now these symptoms are often seen in diving activities. To put it more intuitively, the air we breathe is about 78% nitrogen, 21% oxygen, and 1% other gases. But when you breathe pure oxygen on the ocean floor, it becomes toxic and can even cause seizures in people.

Therefore, in order to ensure that humans stay underwater for a long time, divers will carry compressed air. The air in scuba cylinders usually contains 78% to 65% nitrogen, which is converted into gas that can be directly breathed by human lungs. Normal movement of people in bodies of water. This gas is also the "culprit" responsible for the risk of decompression sickness in divers.

Just like with soda, you won't see very noticeable bubbles in the bottle when you tighten the cap, and when you shake the bottle vigorously, a lot of liquid will spew out when you open it again. Also, you have gas in your blood, which doesn't matter when you're still, but when you swim fast from the deep to the surface, bubbles in your blood pop out quickly. Dive watches monitor the nitrogen levels in your body and warn people if they surface too quickly or stay in the deep sea for a long time to keep people safe.

Cooperate with well-known diving manufacturers to give early warning of nitrogen content in the body

Specifically, when you dive, the smartwatch can do several things, record the dwell time at a specific depth when you dive through the pressure gauge and clock, some devices will record once every 10 seconds, some record once every 30 seconds, and this record The frequency is not critical, what is more, important is that it can help you record.

Under normal circumstances, the smartwatch will record your 20-minute stop at a depth of 10 meters, and then help you calculate the duration of the next dive. At best, a smartwatch for diving can keep detailed records of your depths, but so far, many diving watches aren't perfect.

Therefore, to be conservative, divers can only dive less frequently and spend a lot of time sitting on a dive boat waiting for the nitrogen to be discharged, which is not the best solution to this problem.

A better approach, Haje Jan Kamps thinks, is to improve smartwatches. Many people would think that Apple's smartwatch can't do it either, but Haje Jan Kamps said: "Apple's smartwatch is already very good at recording steps, heart rate, exercise, and so on."

However, these functions for recording are not the key, the top priority of this puzzle is the algorithm that calculates the nitrogen content in the human body. The difficulty of this is that the accuracy of the recording will be affected because people's body structures are not the same, and the speed of nitrogen absorption and release by different human tissues is also faster or slower. Therefore, it is very difficult for Apple to design its own diving algorithm. Apple cooperated with Oceanic, a well-known diving equipment manufacturer, to develop an application Oceanic+, which can display information such as diving depth, diving time, and water temperature of divers, and uses B├╝hlmann's algorithm to judge the changes of nitrogen in the human body.

Recognized by professionals, the product will see the difference

Apple Watch Ultra, one of the major new products at this conference, is a product specially designed for high-risk, high-intensity professional sportsmen. This is also the first time that Apple has added an Ultra version to the Apple Watch product line.

Before the product is officially shipped, it has been recognized by divers in professional sports scenes. Its performance and design have maintained Apple's consistent style. Coupled with the linkage with devices such as iPhones, it may make professionals Increase buying propensity.

When consumers actually get their hands on the Apple Watch Ultra, it may spark a new round of discussions about the product.

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