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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'll definitely want to pay attention here because much of what I'm going to be showing you will be referenced throughout this course. We'll start at the top of the iPhone 4S and work our way down. The long button at the top of the iPhone is the Sleep/Wake button. This is a 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 still receive calls, text messages and so on, but it's using very little power with the screen off.
In this way, you can't accidently hit any onscreen buttons because there are no screen 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 that you didn't press the button by accident, you have to drag your finger across the area that says, Slide to Unlock. This really is an ingenious system because there's 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 to lock and unlock the phone, to turn the phone off, hold down the button for about three seconds. You'll see this message that says Slide to Power Off. Again, this is to make sure that 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 down 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 works on the iPod touch as well. But on the iPhone, the Sleep/Wake button is also used to manage incoming calls. For instance, you can use to send incoming calls directly to your voicemail but the iPod touch, not being a phone, obviously doesn't have this feature. I'll 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 ear-bud 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 comes with the phone, letting you make calls with your headset as well. On the iPhone 4 and 4S, there's a secondary microphone right next to the headphone jack. It's this tiny hole right here. This microphone is used by the phone to determine how noisy or quite the environment you're currently in is and it uses that information to make your calls less noisy for the people you're calling.
The main microphone used during the call is on the button of the phone and we'll look at that momentarily. Moving down to the right side of the iPhone 4S, you'll find the SIM Card Slot. The SIM Card is where your account information with your cellular provider is stored, and in most cases, you'll 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 here or take yours out to put into another iPhone, 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 could put it into a compatible phone from your cellular provider and make and receive calls right-away.
On pre-iPhone 4 phones, the SIM Card is found at the top of the phone between the Sleep/Wake button and the headphone jack. Moving down to the left side of phone, we next have the Silencer Switch. The sole purpose of this switch is to put your phone into Silent Mode. Because it's a physical switch, it's 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're doing with your phone, the Volume Control buttons do different things. If you're listening to music or watching a video, the Volume Controls 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 ringtone or alarms. Here on the iPhone 4S, the Volume Controls are two individual buttons. On earlier iPhones and the iPod touch, 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 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're 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're making calls or with applications that record or monitor incoming sounds. And just so you know, on previous phones from the 3GS and earlier, the Microphone and Speaker locations are reversed, meaning, the Microphone is on the right and Speaker is on the left. On the back of the phone, you'll find the main camera.
There's also a flash next to this camera on the iPhone 4 and 4S, which is great for taking low light photos and videos. And exclusive with the iPhone 4, the 4S and the 4th generation iPod touch is a front-facing camera which is this tiny lens right next to the earpiece speaker on the iPhone and found in the center at the top of the iPod touch. It's used for taking self portraits or if you're using the 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.
As with the iPhone, the iPod touch's Sleep/Wake button is on the right side of the top edge, and because this isn't a phone, 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. Again, it's not a phone so there's no SIM Card Slot. The headphone jack is on the bottom of the phone instead of the top. This is both the headphone and microphone port just like on the iPhone, but you will need to get a set of ear-buds that come with a microphone in order to use the microphone function.
The 4th generation iPod touch also has an internal microphone so you can record and speak into it with the ear-buds. The iPod speaker is to the left of the Dock Connector here but its microphone is actually on the back, next to the camera. This also points out that the iPod touch has no flash, since the microphone is placed where the flash is on the iPhone. Other than that, the iPod touch is thinner than the iPhone and it has a metal back. 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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