23
3.
Heart Rate Sensor
, when using the S Health 3.0
application, this sensor measures your heart rate via
your a fingertip (page 164).
4.
External speaker
allows you to hear ringers, music, and
other sounds offered by your phone.
5.
micro SIM Card Slot
(internal) Installation location for
SIM card.
6.
microSD Card Slot
(internal) allows you use a microSD
card to expand the memory of your device.
7.
IR Transmitter
used to emit infrared signals used for
controlling external devices.
8.
Headset jack
allows you to connect a hands-free
headset so you can listen to music.
Side Views
The following illustration shows the side elements of your
device:
1.
Volume key
allows you to adjust the ringer volume in
standby mode (with the phone open) or adjust the voice
volume during a call.
When receiving an incoming call:
•
Pressing the volume key down mutes the ring tone.
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