Dell X50, HC03UL, HD04U owner manual Microphone Allows you to record audio

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INFRARED SENSOR — The infrared sensor lets you transfer files from your device to another infrared-compatible device without using cable connections.

MICROPHONE — Allows you to record audio.

COMPACTFLASH CARD AND SECURE DIGITAL MEMORY CARD SLOTS — See "Using Cards" on page 29 for information on using CompactFlash cards and Secure Digital memory cards.

POWER BUTTON — Press the power button to turn the device on or off. Press and hold the power button to dim the display. Repeat to light the display.

•When the device is connected to external power and the main battery is fully charged, the power button light is solid green.

•When the main battery charge is low, the power button light flashes amber.

•When the battery is being charged, the power button light is solid amber.

•When the device relays a notification, the power button light rapidly flashes green.

TOUCH SCREEN — Use the touch screen and the reset stylus to enter information into your device. See "Entering Information" on page 43.

ON/OFF BUTTON FOR WLAN/BLUETOOTH® WIRELESS TECHNOLOGY — On wireless devices, the button turns both WLAN and Bluetooth wireless technology on and off. Turn off the wireless devices to conserve power. On non-WLANdevices, the button turns Bluetooth wireless technology on and off.

HOME BUTTON — Press to launch Home or to turn on the device.

NAVIGATOR BUTTON — Press the right, left, top, or bottom of the navigator button to move the cursor on the screen. Press the center to enter a selection.

CONTACTS BUTTON — Press to launch Contacts or to turn on the device.

CALENDAR BUTTON — Press to launch Calendar or to turn on the device.

RECORD BUTTON — See "Recording a Message" on page 51 for information on using the record button.

LOCK BUTTON — Allows you to lock the device so that the device does not respond to inadvertent pressing of keys.

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