Acer S520 - Manual (Page 6)

6
LED indicator
No. Item Description
1 Power button Press to turn the screen on/off or enter sleep
mode; press and hold to turn the smartphone on
or off.
2 3.5 mm headphone jack Connects to stereo headphones.
3 Phone speaker Emits audio from your smartphone; suitable for
holding to your ear.
4 LED indicator (see LED
indicator table) Indicates the phone’s charging status.
5 Light sensor Detects ambient light to automatically adjust
screen brightness.
6 Front camera Useful for taking self portrait images.
7 Touchscreen 5.98-inch, 1980 x 1080 pixel capacitive
touchscreen to display data, phone content and
enter information.
8 Dual speakers Emit stereo audio from your smartphone; suitable
for handsfree use.
9 Second microphone For noise cancellation.
10 Rear camera A camera for taking high-resolution images.
11 Volume up/down button Increases or decreases the phone volume.
LED flash for camera.
12 Nano-SIM card slot Accepts a nano-SIM card for mobile data
connectivity.
Insert a 3G SIM card to enable 3G
communication.
13 MicroSD™ card slot Insert a microSD card into the slot.
14 Micro USB connector Connects to a USB cable/charger.
15 Microphone Internal microphone
Color State Description
Green Blinking You have a missed call, voice mail, or new message
(when phone is locked). LED indicator is the same
whether charging or not.
Red Blinking The battery is low and not charging (blinking
frequency increases when battery is critically low).
Red Solid The phone is on and charging.
Green Solid The phone is fully charged and plugged in.
Red Blinking quickly The phone is plugged in and the the battery is bad.