Lock your phone, Change the backlight brightness | Samsung SGH-U900

using basic functions

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Customise your phone � Customise the display

Change the backlight brightness

1.In Idle mode, press <Menu> → Settings → Display & light settings → Light → LCD brightness.

2.Select the brightness of the display and press <Save>.

Change the backlight time

1.In Idle mode, press <Menu> → Settings → Display & light settings → Light → Backlight time.

2.Press [] to set the backlight time.

3.Select a duration for the backlight and press <OK>.

4.Scroll down to Dim and press [].

5.Select a duration for the dimmer and press <OK>.

6.When you are finished making changes, press <Save>.

Lock your phone

Learn to lock your phone with a phone password. You will have to enter the password each time you turn on the phone.

1.In Idle mode, press <Menu> → Settings → Security → Phone lock.

2.Select On.

3.Enter a new 4- to 8-digit password and press <Confirm>.

4.Enter the new password again and press <Confirm>.

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Samsung SGH-U900 user manual Lock your phone, Change the backlight brightness, Change the backlight time

Contents

SGH-U900 Using this manual Contents Check voice mails Using advanced functions Using tools and applications Print images Troubleshooting index Safety and usage information Safety warnings Handle and dispose of batteries and chargers with care Safety precautions Reduce the risk of repetitive motion injuries Protect batteries and chargers from damage Important usage information Avoid interference with other electronic devices Handle SIM cards and memory cards with care Correct disposal of this product Introducing your Mobile phone Unpack Check your product box for the following items Phone layout Rear of your phone includes the following keys and features Keys Function Display Icons Display Icons Assembling and preparing your mobile phone Install the SIM or Usim card and battery Insert the SIM or Usim card Charge the battery Plug the large end of the travel adapter into a power outlet About the low battery indicator Insert a memory card optional Using basic Functions Switch to the Offline profile Turn your phone on and off Use the touch panel Example Adjust the sensitivity of the touch panel Customise the touch panelChange the colour of the touch panel icons and effects Set menu shortcuts in Idle mode Set the feedback for the touch panel Access menus Switch applications Adjust the volume of the key tones Switch to or from the Silent profileCustomise your phone Switch profiles Customise your ringtoneEdit a profile Customise the display Set the time and date Select a wallpaper Idle mode Set the UI languageSelect a theme for the main display Create a custom theme for the main display Customise your phone Customise the display Customise your phone Customise the display Lock your phone Change the backlight brightnessChange the backlight time Use basic call functions Make a voice callMake a video call Adjust the volume Answer a voice callAnswer a video call Use the speakerphone feature Use the headset Send and view messages Send a text message Send a multimedia message Send an email Enter text ABC View received text or multimedia messages View received emailsView sent or saved messages Check voice mails Set the voice mail numberCall the voice mail number Add and find contacts Add a new contact Find a contact from Idle mode Find a contact Use basic camera functions Capture photos Switch scene modes View photos Capture videos View videos Key Function Listen to music Listen to the FM radio Volume Listen to the music player Use a Bluetooth-enabled headset to listen to music Browse the web Browse web pagesEnter URLs Use Google services Bookmark your favourite web pages Using advanced Functions Call a recently dialled number Use advanced call functionsView and dial missed calls Call an international number Hold a call or retrieve a held call Call a contact from PhonebookUse options during a voice call Dial a second call Switch a voice call to a video call Answer a second callMake a multiparty call conference call Hide or show your image Switch camerasUse options during a video call Show another image Switch a video call to a voice call Adjust display settingsCapture images or videos Use advanced Phonebook functions Create a namecardSet speed dial numbers Create a group of contacts Save a contact card to My files Delete a contact Copy a contact Create a multimedia template Use advanced messaging functionsCreate a text template Insert text templates in new messages Create a message from a multimedia template Set options for push messages Set options for broadcast messages Delete messages Delete messages by folders Create a new folder to manage messages Use advanced camera functions Capture a series of photos Capture divided photos Capture photos with frames Capture panoramic photos Capture videos to attach to a message Use the macro feature Set image size Use the flash Set the timer Use the face recognition feature Adjust the white balance Add effects Set the exposure Turn on or off audio recording for videos Adjust camera settings Use camera shortcuts Use advanced music functions Copy music files via Samsung PC Studio Copy music files to a memory card Synchronise your phone with Windows Media Player Create a playlist Set the music player to repeat tracks Set the music player to shuffle tracks Play music in the background Use music player shortcuts Retrieve podcasts Customise your music player settings Store radio stations automaticallyStore radio stations manually Using tools Applications Use the Bluetooth wireless feature Turn on the Bluetooth wireless featureFind and pair with other Bluetooth-enabled devices Send data using the Bluetooth wireless feature Receive data using the Bluetooth wireless feature Use Remote SIM mode Print data using the Bluetooth wireless feature Synchronise data with your PC Activate the mobile tracker Record and play voice memos Record a voice memoPlay a voice memo 100 Delete a voice memo 101 Edit imagesApply effects to images 102 Apply a blur effect to a specific area of an image Adjust an image 103 104 Transform an image 105 Crop an image Insert a visual feature 106 107 Print images 108 Edit videosMake a new video with captured images and videos 109 Trim any segment of videos 110 Split videos 111 Apply effects 112 Insert texts 113 Move or copy components in a video Activate the ShoZu account 114Upload photos and videos to the web Create a new destination Subscribe to feeds 115Use the RSS reader Read RSS feeds Customise RSS reader settings 116Download multimedia Download games or applications Use Java-powered games and applications117 Play games Create and view world clocks Create a world clockAdd a world clock to your display Set and use alarms 119 Use the calculator Set a countdown timer120 Convert currencies or measurements Create a text memo 121Use the stopwatch Delete a text memo Mark a task completed 122Create a new task Delete a task Change the calendar view 123Manage your calendar Select a date in the calendar 124 125 Create an event 126 Delete an eventView events by type Adjusting Settings Access the Settings menu 128Phone profiles 129 Time & date Display & light settings 130 Phone settings 131 Call settings 132 133 134 Security Application settings 135 136 137 138 139 140 141 Master reset 142 Troubleshooting While using your phone, the following messages may appear 144 145 Another caller cannot reach you 146 Your phone is hot to the touch Index 147 Accessing applications 117 downloading 117 playing games 148 149 Samsung PC Studio 151