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Let's begin by familiarizing ourselves with the physical layout of the current crop of iOS devices. If you're a brand new iPhone, iPad, iPad Mini, or iPod Touch user, you'll definitely want to pay attention here, because much of what I'm going to be showing you here will be referenced throughout this course. The physical layout of the buttons and other features of the iOS devices are nearly identical at this point. I'll start with the iPhone for this walk-through. When looking at your device's screen, you'll find the sleep/wake button in the upper right-hand corner of the device and centered below the screen is the home button.
On the back of all three devices, you'll find the camera. The iPhone and iPod Touch have built-in flashes for the camera, while the iPads currently don't have flashes. On the iPhone, there's a microphone located between the camera and the flash. All iOS devices have a front-facing camera as well, located above the screen. It's used for taking self-portraits, or for using the FaceTime video chatting feature, which we'll look at in a later chapter. On the iPhone, you'll also find the earpiece for hearing your calls. And there's actually another microphone here as well, which helps to eliminate background noises during your calls, so your voice sounds clearer to the people you're talking to.
Another slight difference in hardware layout has to do with the placement of the mute switch and volume buttons. The volume buttons are found on the left side of the iPhone and iPod Touch, and on the right side of the iPad and iPad Mini models. Above the volume buttons on the iPhone and iPad is the mute switch. The iPod Touch doesn't have one. iPhones and cellular capable iPads also have a SIM card slot, which is where your account information with your cellular provider is stored. But for the most part, the iOS devices have the same features and buttons. Now let's look a little more closely at what some of these buttons are for.
The lone button at the top of the device is the sleep/wake button. This is the button that lets you lock the screen when the device is on so you don't accidentally tap or activate any apps or other features. When the phone is on, press the sleep/wake button once to lock the screen. At this point, the phone is still on and can still receive calls, text messages, emails and so on, but it's using very little power with the screen off. In this way, you can't accidentally hit any on-screen buttons because there are no on-screen buttons when the screen if off. Putting the phone to sleep or locking the screen, as it's also referred to, is always just one press of the button.
Unlocking the screen actually happens in two parts. First, press either the sleep/wake button again, or you can also press the home button. The screen comes back on, but to let your device know that you didn't press the button by accident, you have to drag your finger across the screen from left to right. Unlike in previous versions of iOS, you don't have to slide across the specific area that says slide to unlock, anywhere on the screen is fine. And this is really an ingenious system because there's very little chance that both the sleep/wake button and the slide to unlock action will happen unintentionally. So, it's difficult to wake up your device by accident.
Now the sleep.wake button is also the button to turn the phone completely off and back on again. Whereas, you just press the button and release it to lock and unlock the phone, to turn the phone off, hold down the button for about 3 seconds. You'll see this message that says slide to power off. Again, this is to make sure you don't accidentally turn the phone off. Just slide your finger across the display and the device will power down. And, in just a few moments, it will be completely off and unable to receive calls, text messages, emails, or any other communications. Anyone calling your phone while it's off will be sent directly to your voice-mail.
To turn the phone back on again, just hold the sleep/wake button for about three seconds again. Now, all of the actions I've shown you so far, work identically on all iOS devices. But on the iPhone the sleep/wake button is also used to manage incoming calls. For instance, you can use it to send incoming calls directly to your voice-mail. I'll talk more about redirecting and managing incoming calls in an upcoming chapter. Moving down the left side of the iPhone, we next have the mute switch. The sole purpose of this switch is to put your phone into silent mode, making it super easy and quick to silence your phone even while keeping it in your pocket.
On the iPad you can customize this switch to determine whether it acts as a mute switch or as an orientation lock, which prevents the content on your screen from rotating when you turn the iPad sideways. And again, the iPod Touch doesn't have this switch at all. Below the mute switch are the volume control buttons. Depending on what you're doing on the device, the volume buttons can do different things. If you're listening to music or watching a video, the volume control will turn the volume up or down. If you're on a call, it controls the level of the caller's volume. And in all other cases, it adjusts the volume of your ringtones or alarms.
The only other button on the iPhone is on its front at the bottom. This is the home button, and even though it's just one button, it's a very important one, so it has its own movie in the next chapter. Now, let's take a look at the bottom of the device. In the center is the dock connector, where you connect the cable to attach your device to your computer. With the iPhone 5, the fifth generation iPod Touch, the fourth generation iPad and the iPad Mini, Apple introduced a new type of connector called Lightning. All the previous generation iOS devices used the older Y Dock connector. But for this new line, Apple implemented a smaller connector which fits into your device in either direction.
But, I point this out because if you're upgrading from a previous iPhone model, your old cables won't work with the Lightning connector unless you get an adapter or other new cables. On the bottom, you'll find the device's speaker. The iPhone's microphone is also found here, but on the iPod Touch and the iPads, the microphone is located at the top of the device. Also on the bottom of the iPhone and iPod Touch is the headphone/ microphone jack. This jack is located on the top of the iPad and iPad Mini line, but this is where you plug in the earbud headset that came with your phone or any other third party headphone set. Now, this is also a microphone jack.
So, you can use headsets with integrated microphones including the headset that came with your phone, letting you make calls from your headset as well. So that's your basic tour of the outside of the iOS devices. In upcoming movies, we'll look at the essential knowledge needed to use your device and its operating system.
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