Samsung SGH-X640 manual Health and safety information, Precautions when using batteries

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SAR tests are conducted using standard operating positions with the phone transmitting at its highest certified power level in all tested frequency bands.

Although the SAR is determined at the highest certified power level, the actual SAR level of the phone while operating can be well below the maximum value. This is because the phone is designed to operate at multiple power levels so as to use only the power required to reach the network. In general, the closer you are to a base station, the lower the power output of the phone.

Before a new model phone is available for sale to the public, compliance with the European R&TTE Directive must be shown. This directive includes as one of its essential requirements the protection of the health and safety of the user and any other person.

*The SAR limit for mobile phones used by the public is 2.0 watts/kilogram (W/kg) averaged over ten grams of body tis- sue. The limit incorporates a substantial margin of safety to give additional protection for the public and to account for any variations in measurements. The SAR values may vary, depending on national reporting requirements and the network band.

Precautions when using batteries

•Never use a charger or battery that is damaged in any way.

•Use the battery only for its intended purpose.

•If you use the phone near the network’s base station, it uses less power. Talk and standby time are greatly affected by the signal strength on the cellular network and the parameters set by the network operator.

•Battery charging time depends on the remaining battery charge, the type of battery, and the charger used. The battery can be charged and discharged hundreds of times, but it will gradually wear out. When the operation time is noticeably shorter than normal, it is time to buy a new battery.

•If left unused, a fully charged battery will discharge itself over time.

•Use only Samsung-approved batteries, and recharge your battery only with Samsung-approved chargers. Disconnect the charger from the power source when it is not in use. Do not leave the battery connected to a charger for more than a week, since overcharging may shorten its life.

Health and safety information

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Contents Samsung Electronics SGH-X640 User’s guide Precautions Be aware of special regulations Your phone is not water-resistant. Keep it dryThis guide, the following instruction icons appear ExampleRecord memos or sounds Store up to 1000 contact numbersEnjoy Java-based embedded games and download new games Contents Overview of menu functions SIM-ATUnpack Your phoneInstall and charge the phone Remove the battery Insert the SIM card Install the batteryGet started SIM card informationPower on or off Low battery indicatorRemove the adapter from the phone Open the phone Press and holdKeys Description Keys and displayUp Camera Layout The display has the three areas IconsAccess menu functions Quiet mode Customise your phoneDisplay language Call ringer melodyMake/answer calls Use camera Step outside the phoneBrowse WAP Use Phonebook Send messagesAdd an entry Find an entryMultimedia messages → View messagesCreate Manage schedule Create a new memoTips for using ABC mode Enter textTips for using T9 mode Entering a word in T9 modeAdding a new word to the T9 dictionary Call functions PressMaking an international call Redialling recent numbersDialling a number from the SIM card Making a call from PhonebookTips for answering a call Adjusting the volume during a call Recording your call conversationPlacing a call on hold/Retrieving Making a second callUsing the loudspeaker Using the voice clarity featureSwitching off the microphone Mute mode Answering a second callUsing Phonebook Using the message serviceUsing the SIM service Sending a sequence of Dtmf tonesMenu functions PhonebookHaving a private conversation with one participant Dropping one participantUsing Phonebook options Use this menu to add a new contact to PhonebookStoring a number in the phone’s memory Mobile/Home/Office/Fax/Other add a number in any categorySpeed-dial list Phonebook Copy all to phone PhonebookService directory Phonebook Use this menu to change the properties of caller groupsChange name change the group name Scroll to the number you want and press Dial orCall records Menu Call costs Menu Network services MenuCall diverting Menu Call waiting Menu Call barring MenuAll incoming prohibit incoming calls Network selection Menu Caller ID MenuBand selection Menu Active line MenuSound settings Menu Power on/off MenuIncoming calls Menu Connection tone MenuQuiet mode Menu Messages MenuMinute minder Menu Alerts on call MenuWhen you have finished, press OK to send the message Multimedia messages Menu Select Number, E-mail, or PhonebookForward forward the message to another person Use this menu to access messages from the WAP server Push messages MenuPreset messages Menu Voice mail MenuBroadcast Menu Delete all delete all push messagesShort messages Menu Send settingsMultimedia messages Menu Receive settings Memory status MenuMMS profiles Server URL enter the address of your MMS serverSelecting and using browser menu options Fun box MenuNavigating with the WAP browser Press HomeUsing WAP page options Bookmark switch to the Bookmark menu. MenuUsing bookmark options Adding a bookmarkProxy settings Menu GSM setting customise the following GSM network settingsMedia box Menu Data call type select a data call typeJava world Menu Memory status MenuPlaying a game Viewing game informationInternet settings Menu Organiser MenuUse this menu create a new memo Creating a new memoUsing memo options Using the calendar optionsCreating memos and using memo options Scheduler Call To do listSetting an alarm To do list MenuSetting the alarm to ring even if the phone is off Stopping an alarmVoice recorder Menu Conversion Menu Calculator MenuProperties view the properties of the voice memo Starting the timer Stopping the timerTake photos Menu Camera produces Jpeg photosReturn to Capture mode Using camera options in Capture modeCapture mode, press to access the following options Use photo options Options. p Delete the photoUsing the keypad in Capture mode My photos MenuKey Function Taking a photo with the closed phoneUsing photos options Press Options to access the following optionsMy albums Menu Properties view the properties of the photoPhone settings Menu Service light MenuGreeting message Menu LCD contrast MenuChange Password Menu PIN check MenuAuto redial Menu Voiceclarity MenuActive folder Menu Anykey answer MenuSolve problems Reset settings MenuNo service, Network failure, or Not done displays Phone starts beeping and Battery low flashes on the displayYou have entered a number but it was not dialled Your correspondent cannot reach youHealth and safety information No number is dialled when you re-call a Phonebook entrySAR certification information Re-store the number, if necessaryHealth and safety information Precautions when using batteriesRoad safety Operating environmentElectronic devices Potentially explosive environments Emergency callsOther important safety information Care and maintenanceHealth and safety information Index Index Index Declaration of Conformity R&TTE SGH-X640

SGH-X640 specifications

The Samsung SGH-X640 is a feature-rich mobile phone that was launched in the mid-2000s, showcasing Samsung's commitment to innovation in the telecommunications sector. This sleek and stylish device was designed to cater to the growing demand for advanced mobile features while still being user-friendly.

One of the standout characteristics of the SGH-X640 is its compact and lightweight design, making it highly portable and convenient for everyday use. Weighing just 90 grams and measuring 86 x 44 x 21 mm, this phone easily fits in the palm of your hand or pocket. Its clamshell design not only adds a touch of elegance but also protects the screen from scratches and damage when not in use.

The SGH-X640 comes equipped with a bright 128 x 160 pixel display that supports 65,536 colors, providing vibrant visuals for images, graphics, and menus. This clarity allows users to enjoy multimedia content such as photos and videos, further enhanced by its integrated camera, which features a 1.3-megapixel resolution. This camera allows for decent photo-taking capabilities, perfect for capturing special moments on the go.

In terms of connectivity, the SGH-X640 supports GPRS Class 10, allowing for relatively fast internet browsing and data transfer capabilities for its time. The phone features a WAP 2.0 browser for accessing mobile content, enabling users to stay connected to the web wherever they go. Bluetooth technology is also included, facilitating easy wireless sharing of files and media with other compatible devices.

The device boasts an impressive battery life with a standard Lithium-ion battery, offering talk time of up to 5 hours and standby time of approximately 200 hours. This lengthy battery performance is ideal for users who rely on their mobile phone throughout the day without the constant worry of recharging.

Additionally, the SGH-X640 supports various multimedia formats, making it a suitable companion for music and video playback. Users can easily download ringtones and applications, personalizing their devices to suit their preferences.

Overall, the Samsung SGH-X640 exemplifies the combination of style, functionality, and technology that defined the early 2000s mobile phone market. Its thoughtful design and impressive features make it a memorable entry in Samsung's legacy as a leading mobile manufacturer.
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