Apple IPhone IOS 31 User Guide

Searching Notes
You can search the text of notes.
Search for notes:  
 1 Drag the note list down or tap the status bar to expose the search window.
 2 Enter text in the search field.
Search results appear automatically as you type. Tap Search to dismiss the keyboard 
and see more of the results. 
Emailing Notes
Email a note:   Tap the note, then tap .
To email a note, iPhone must be set up for email. See “Setting Up Email Accounts” on 
page 59 .
Syncing Notes
You can set up iTunes to automatically sync...

Clock
17
World Clocks
You can add clocks to show the time in other major cities and time zones around the 
world.
View clocks:  Tap World Clock.
If the clock face is white, it’s daytime in that city. If the clock face is black, it’s nighttime. 
If you have more than four clocks, flick to scroll through them.
Add a clock:   
 1 Tap World Clock.
 2 Tap , then type the name of a city.
Cities matching what you’ve typed appear below.
 3 Tap a city to add a clock for that city.
If you don’t see the city you’re...

Alarms
You can set multiple alarms. Set each alarm to repeat on days you specify, or to sound 
only once.
Set an alarm:  
 1 Tap Alarm and tap .
 2 Adjust any of the following settings:
• To set the alarm to repeat on certain days, tap Repeat and choose the days.
• To choose the ringtone that sounds when the alarm goes off, tap Sound.
• To set whether the alarm gives you the option to hit snooze, turn Snooze on or off.  
If Snooze is on and you tap Snooze when the alarm sounds, the alarm stops and 
then...

Timer
Set the timer:  Tap Timer, then flick to set the number of hours and minutes. Tap Start 
to start the timer.
Choose the sound:   Tap When Timer Ends.
Set a sleep timer:  Set the timer, then tap When Timer Ends and choose Sleep iPod.
When you set a sleep timer, iPhone stops playing music or video when the timer ends.
If you start the timer and then switch to another iPhone application, the timer 
continues running.
13 4Chapter 17    Clock 

Calculator
18
Using the Calculator
Tap numbers and functions in Calculator just as you would with a standard calculator. 
When you tap the add, subtract, multiply, or divide button, a white ring appears 
around the button to let you know the operation to be carried out. Rotate iPhone to 
get an expanded scientific calculator.
Standard Memory Functions
• C:  Tap to clear the displayed number.
• MC:   Tap to clear the memory.
• M+:   Tap to add the displayed number to the number in memory. If no number is...

Scientific Calculator Keys
Rotate iPhone to landscape orientation to display the scientific calculator.
2ndChanges the trigonometric buttons (sin, cos, tan, sinh, cosh, and tanh) to their inverse 
functions (sin-1, cos-1, tan-1, sinh-1, cosh-1, and tanh-1). It also changes ln to log2, and ex to 
2x. Tap 2nd again to return the buttons to their original functions.
( Opens a parenthetical expression. Expressions can be nested.
) Closes a parenthetical expression.
% Calculates percentages, adds markups, and...

logReturns the log base 10 of a value.
sin Calculates the sine of a value.
sin
-1Calculates the arc sine of a value. (Available when the 2nd button is tapped.)
cos Calculates the cosine of a value.
cos
-1Calculates the arc cosine of a value. (Available when the 2nd button is tapped.)
tan Calculates the tangent of a value.
tan
-1Calculates the arc tangent of a value. (Available when the 2nd button is tapped.)
ln Calculates the natural log of a value.
log2 Calculates the log base 2. (Available when the 2nd...

Settings
19
Settings allows you to customize iPhone applications, set the date and time, configure 
your network connection, and enter other preferences for iPhone.
Airplane Mode
Airplane mode disables the wireless features of iPhone to avoid interfering with 
aircraft operation and other electrical equipment.
Turn on airplane mode:  Tap Settings and turn airplane mode on.
When airplane mode is on, 
 appears in the status bar at the top of the screen.  
No phone, radio, Wi-Fi, or Bluetooth signals are...

Listen to visual voicemail previously received• 
Check your calendar• 
Take or view pictures• 
Hear alarms• 
Use the stopwatch or timer• 
Use the calculator• 
Take notes• 
Record voice memos• 
Use Compass• 
Read text messages and email messages stored on iPhone• 
Where allowed by the aircraft operator and applicable laws and regulations, you can 
turn Wi-Fi back on, enabling you to:Send and receive email
• 
Browse the Internet• 
Sync your contacts, calendars, and bookmarks (MobileMe only) with MobileMe...

When iPhone is joined to a Wi-Fi network, the Wi-Fi  icon in the status bar at the top 
of the screen shows signal strength. The more bars you see, the stronger the signal.
Set iPhone to ask if you want to join a new network:  Choose Wi-Fi and turn “Ask to 
Join Networks” on or off.
When you’re trying to access the Internet, by using Safari or Mail for example, and you 
aren’t in range of a Wi-Fi network you‘ve previously used, this option tells iPhone to 
look for another network. iPhone displays a list...