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Let's begin by familiarizing ourselves with the layout of the iPhone and iPod touch. If you're a brand-new iPhone or iPod touch user, you will definitely want to pay attention here because much of what I am going to be showing you will be referenced throughout this course. We'll start at the top of the iPhone 4 and work our day down. The lone button at the top of the iPhone is the Sleep/Wake button. This is the button that lets you lock the screen when the phone 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 receive calls, text messages and so on, but it's using very little power with the screen off.
And this way, you can't accidentally hit any onscreen buttons because there are no onscreen buttons when the screen is 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 the Sleep/Wake button again, the screen comes back on but to let your iPhone or iPod touch know you didn't press the button by accident, you have to drag your finger across the area that says, Slide to Unlock. This is really an ingenious system because there is very little chance that both the Sleep/Wake button, and the Slide to Unlock action will happen unintentionally.
The Sleep/Wake button is also the button to turn the phone completely off and back on again. Where 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 three seconds. You will 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 phone will power down, and in just a few moments the phone 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 voicemail.
To turn the phone back on, just hold the Sleep/Wake button for about three seconds again, and just so you know, so far everything about the Sleep/Wake button I've shown you is how the button on the iPod touch works as well. But on the iPhone, the Sleep/Wake button is also used for managing incoming calls. For instance, you can use it to send incoming calls directly to your voicemail, but the iPod touch, not being a phone, obviously doesn't have this feature. I will talk more about redirecting and managing incoming calls in an upcoming movie. Also, on the top of the iPhone is the Headphone/Microphone Jack.
This is where you plug in the earbud headset that came with your phone, or any other third-party headphone set. Starting with the iPhone 3G, the headset jack was made flush with the edge of the phone, so you can use any headphones with a mini jack connector and not just the Apple headset. But this is also a microphone jack, so you can use headsets with integrated microphones, including the headset that comes with the phone, letting you make calls with your headset, as well. On the iPhone 4, there is also a secondary microphone right next to the headphone jack. It's a tiny hole right here. This microphone is used by the phone to determine how noisy or quiet the environment you are currently in is, and it uses that information to make your calls less noisy for the people you are calling.
The main microphone used during phone calls is on the bottom of the phone, and we'll look at that momentarily. Moving down the right side of the iPhone 4, you will find the SIM card slot. The SIM card is where your account information with your cellular provider is stored. In most cases, you will never have to access your SIM card, but it's handy to know where it is in case you ever want to swap another SIM card in there, or take yours out to put into another phone, which you might need to do if you have to send your phone in for repairs. Since the SIM card has all your cellular account information, you can put it into any compatible phone from your cellular provider and make and receive calls right away.
Also, this is a new location for the SIM card on the iPhone 4. On previous iPhones, the SIM card is found at the top of the phone, between the Sleep/Wake button and the headphone jack. Moving down the left side of the iPhone, we next have the Silencer switch. The sole purpose of this switch is to put your phone into Silent mode. On other phones, you often have to browser through a series of menus, or set a button to set your phone to Vibrate or Silent. But here on the iPhone is an actual, physical switch, making it super easy and quick to silence your phone, even while keeping it in your pocket. Below the Silencer switch are the Volume Control buttons.
Depending on what you are doing with the phone, the Volume controls do different things. If you are listening to music or watching a video, the Volume control turns the volume up or down. If you are on a call, it controls the level of the caller's volume, and in all other cases, it adjusts the volume of your ring tone or alarms. Here on the iPhone 4, the Volume Control buttons are two individual buttons. On earlier iPhones, Volume control is a rocker switch, but the function is identical. 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 this chapter.
Now, let's take a look at the bottom of the phone. In the center is the dock connector where you connect the cable to attach your iPhone or iPod touch to your computer. There are tons of other accessories that plug into the dock connector, as well. To the right of the dock connector is the built-in speaker for using when you are making speaker phone calls, or listening to other sounds coming from your iPhone. The identical-looking area to the left of the dock connector is the microphone, again, used for when you are making calls or with applications that record or monitor incoming sounds. Now, in previous iPhones the microphone and speaker locations are reversed, meaning the microphone is on the right, and the speaker is on the left.
On the back of the phone, you will find the main camera. There is also a flash next to the camera on the iPhone 4, which is great for taking low light photos and videos. Also, exclusive to the iPhone 4 is a front-facing camera, which is this tiny lens right here next to the earpiece speaker. It's used for taking self-portraits and for using the new FaceTime video chatting feature, which we'll look at in a later chapter. And that's pretty much all there is to the exterior of the iPhone. Now, the iPod touch is similar, but there are some key differences. Let's take a look. To begin, the iPod touch's Sleep/Wake button is on the left side of the top edge, not the right as it is on the iPhone, and because this isn't an iPhone, its function is to sleep or wake the device or to turn it off using that combination of holding down the button for three seconds and then sliding to turn it off.
Similarly, hold down the Sleep/Wake button again to turn the iPod touch back on. There are no other buttons on the top of the iPod touch, and again, it's not a phone so there is no SIM card slot anywhere. The headphone jack is on the bottom of the iPod touch instead of the top. This is both a headphone and microphone port, just like on the iPhone, but the earbuds that come with the iPod touch don't have a built-in microphone. So if you want to be able to get sounds into your iPod touch, you will need to buy an aftermarket microphone. Also, notice there is no speaker or microphone area next to the dock connector here. So there really is no microphone on the touch, but the 2nd generation iPod touch does have a built-in internal speaker for playing sounds and music.
It just doesn't have an obvious location, like the iPhone does. But you do need to purchase a headset with a microphone, or a dedicated microphone, if you want to take advantage of applications that can receive sound, like a voice recorder app, for example. The iPod touch does not have a built- in camera like the iPhones, but it can manage and display the photos you sync to it, which we'll also look at how to do in a later chapter. Other than that, the iPod touch is thinner than the iPhone, and it has a metal back. The dark plastic area is the Wi-Fi antenna, which is necessary since the metal back isn't conducive to Wi-Fi signals.
So that's your basic tour of the outside of the iPhone and iPod touch. In upcoming movies, we'll start looking at the essential knowledge needed to use the phone, and its operating system.
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