![background image](http://html.mh-extra.com/html/samsung/sgh-e640/sgh-e640_user-manual_1190599012.webp)
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Keys and display
Key(s)
Description
Perform the function indicated on the
bottom line of the display.
In Idle mode, access your favourite menus
directly.
In Menu mode, scroll through the menu
options.
In Idle mode, launches the Wireless
Application Protocol (WAP) browser.
In Menu mode, selects the highlighted
menu option.
Deletes characters from the display.
In Menu mode, returns to the previous
menu level.
Sends or answers a call.
In Idle mode, retrieves the recent numbers
dialled, missed, or received.
Key(s)
Description
Ends a call.
Hold down to switch the phone on and off.
In Menu mode, cancels input and returns
the phone to Idle mode.
Enter numbers, letters, and some special
characters.
In Idle mode, hold [1] down to access your
voice mail server.
Enter special characters.
Hold [ ] down to activate or deactivate
Quiet mode.
(on the left)
Adjusts the phone volume.
In Idle mode, with the phone open, adjusts
the keypad tone volume. With the phone
closed, hold down to turn on the backlight.
(on the right)
In Idle mode, turns on the camera.
In Camera mode, takes a photo or records
a video.