Lenovo ThinkPad 1838 User Manual page 10

1 Power button
Press and hold the power button for a few seconds to turn on the tablet. To turn off the tablet, press and
hold the power button for a few seconds, and then touch OK from the Power off menu.
When the tablet is on, press the power button once to lock or unlock the screen.
2 Microphone
The built-in microphone captures sound and voice when it is used with an application capable of handling
audio.
To disable the microphone, go to the Android Settings screen and touch Sound ➙ Microphone.
3
Rear-facing camera
Your tablet has a 5-megapixel rear-facing camera, which you can use to take pictures and create videos. For
more information, see "Using cameras" on page 39.
4 Headphone or microphone connector
Connect headphones to the connector to listen to stereo sound from the tablet or connect a microphone
to record audio or make calls. You also can connect a headset with an integrated microphone that uses a
combined audio/microphone connector.
5 Mini HDMI connector
Your tablet has a mini high-definition multimedia interface (HDMI) connector, a digital audio and video
interface that can connect a compatible digital audio device or video display such as a high definition
television (HDTV). For more information, see "Using HDMI devices" on page 48.
6 Micro USB connector
Use the supplied USB cable to connect a personal computer to the micro USB connector for data transfer.
See "Using the micro USB connector" on page 46.
You also can use the supplied USB cable and the ac charger to charge the tablet when the battery power is
low. See "Charging the battery" on page 29.
7 ThinkPad Tablet Dock connector
Use this connector to connect a ThinkPad Tablet Dock. The ThinkPad Tablet Dock is available as an option
from Lenovo at http://www.lenovo.com/accessories/services/index.html. For more information, see "Using
the ThinkPad Tablet Dock" on page 59.
8 SIM card slot
Open the card slot cover to access the Subscriber Identification Module (SIM) card slot. Insert a SIM card to
establish a wireless Wide Area Network (WAN) connection.
Note: The SIM card slot is not functional on Wi-Fi-only models.
9 Emergency reset hole
If your tablet stops responding and you cannot turn it off by pressing and holding the power button, reset the
tablet by inserting a straightened paper clip into the emergency reset hole to turn off the tablet.
10
3-in-1 media card reader
Open the cover to access the 3-in-1 media card reader. Install a secure digital (SD) card, a secure digital
high capacity (SDHC) card, or a MultiMediaCard (MMC) into the 3-in-1 media card reader for data storage.
See "Using the 3-in-1 media card reader" on page 48 for more information.
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User Guide