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.
Knowing how to silence your phone is essential. Muting Your Phone. Muting your phone will turn the ringer off but will not turn off alarm sounds. To mute an iPhone, go to the left side of the phone and flip the switch to the back of the phone so a red bar (or dot for a 3GS) appears.â² Donât miss: Do Not Disturb â The iPhone Feature You Should Be Using.ilencing Your Phone. There are times when you want your phone to be totally silent. If youâre attending your childâs school play, a New York Philharmonic performance or a presidential inauguration, you want to be 100% sure that your phone makes no sound. Muting turns off the ringer, but not the alarms.