7SIM Card Slot (on TF300TG/ TF300TL) Insert a 3G SIM/LTE card into this slot.

Use a straightened paper clip to press the opening beside the SIM card slot to eject the SIM card tray.

8Light Sensor

The light sensor detects the amount of light in your environment and automatically adjusts the brightness of the display panel for better viewing.

9Built-in Front Camera

Use the built-in camera for picture taking, video recording, video conferencing, and other interactive applications.

10Touch Screen Panel

The touch screen panel allows you to operate your ASUS Transformer Pad using touch gestures.

11Dock Port

•Insert the power adapter into this port to supply power to your

ASUS Transformer Pad and charge the internal battery pack. To prevent damage to your ASUS Transformer Pad and battery pack, always use the bundled power adapter.

•Connect the USB Dock cable to the ASUS Transformer Pad and another system (notebook PC or desktop) for data transmission.

•Dock the ASUS Transformer Pad to the mobile docking for extended functions, including keyboard, touchpad and USB connectivity.

12Headphone Output/Microphone Input Combo Jack

The stereo combo jack (3.5mm) connects the ASUS Transformer Pad’s audio out signal to amplified speakers or headphones. Using this jack automatically disables the built-in speaker.

The jack is also designed to connect the microphone used for voice narrations or simple audio recordings.

For microphone input function, the jack best supports headset microphones by ASUS.

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ASUS Transformer Pad Manual