A given computer display system will have a maximum resolution that depends on its physical ability to focus light (in which case the physical dot size-the dot pitch-matches the pixel size) and usually several lesser resolutions.
Using the Speakerphone in Calls. You can turn on your iPhone's speakerphone when you make a call and the recipient answers, or when you accept an incoming call. In both cases, a menu screen appears on your iPhone.To switch to speakerphone, tap the Speaker button which turns blue when activated.To turn off the speakerphone at any time during a call, tap the button again.n both cases, a menu screen appears on your iPhone. To switch to speakerphone, tap the Speaker button which turns blue when activated. To turn off the speakerphone at any time during a call, tap the button again.
1 Use the iPhone volume buttons to turn the volume all the way down. 2  Multitask. 3  To use another app while youre recording, press the Home button and open the other app. 4  To return to Voice Memos, tap the red bar at the top of the screen. 5  Listen to a recording.6  Tap the recording in the list, then tap play icon. Mute the start and stop tones. 2  Use the iPhone volume buttons to turn the volume all the way down. 3  Multitask. 4  To use another app while youre recording, press the Home button and open the other app. 5  To return to Voice Memos, tap the red bar at the top of the screen. 6  Listen to a recording.