Double Power Technology MD-740 - Manual (Page 12)

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Number Number Number Number Function Function Function Function
Power ON/OFF
Lock the Screen
Wake up the Screen
Return
Increase device’s volume
Decrease device’s volume
Use Use Use Use the the the the touch touch touch touch screen screen screen screen
Your device’s touch screen lets you easily select
items or perform functions.How to use the touch
screen.
● To avoid scratching the touch screen, do
not use sharp tools.
● Do not allow the touch screen to come into
contact with other electrical devices.
Electrostatic discharges can cause the
touch screen to malfunction.
● Do not allow the touch screen to come into
contact with water. The touch screen may
malfunction in humid conditions or when
exposed to water.
● For optimal use of the touch screen,
remove the screen protection film before
using your device.
● Your touch screen has a layer that detects
small electrical charges emitted by the
human body. For best performance, tap the
touch screen with your fingertip. The touch
screen will not react to touches of sharp
tools, such as a stylus or pen.
You can control your touch screen with the
following actions:
● Tap: Touch once with your finger to select
or launch a menu, option, or application.
● Drag: Tap and drag your finger up, down,
left, or right to move to items on lists.
● Tap and hold: Tap an item and hold it for
more than 2 seconds to open a pop-up
option list.
● Drag and drop: Tap and hold your finger on
an item, and then drag your finger to move
the item.
● Double-tap: Tap twice quickly with your
finger to zoom in or out while viewing
photos.
Getting started
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