Cross trainers are a useful and efficient exercise machine. They aren't difficult to use, but it is important to know how to properly use them. This will make it less likely that you get hurt or uncomfortable and also help you lose weight. It is best to read the instruction manual when you first learn how to use an elliptical trainer.
Also, take your time until you feel comfortable with what you are doing. You can safely increase your activity and move up to higher levels only then. While elliptical trainers can be a safe and low-impact form of exercise, it's best to consult your doctor before you start any new exercise program. You can also buy efficient elliptical trainers via https://cardioonline.com.au/collections/ellipticals.
You may be exposed to high levels of aerobic activity and an increased heart rate with elliptical trainers. It is worth talking to your doctor to determine if you are healthy enough to begin a dynamic exercise program. Even if you don't own an elliptical trainer, it is a great way to get used to them.
You can get comfortable using the machine in a safe environment where you can be taught by qualified instructors how to use it safely and monitor your heart rate to maximize your workouts. They will also advise you on the right time and level to start, what you should do, how to exercise, and how to increase your training.
An instructional video is another great way to learn how to use an elliptical trainer if you prefer to do it at your home. While you will usually receive instructions with your machine, some people learn better visually.