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The microphone directivity function comes in handy when you want your voice to sound clearly while chatting or when you want to use the headphones as a microphone to record your own voice or sounds coming from your front. To enable the microphone directivity function 1 Right-click the icon on the taskbar and select Settings. . If no icon is on the taskbar, see What to do if the icon and the balloon do not appear (page 101) to change the settings. 2 Click the Microphone directivity tab and select the Enable the microphone directivity function check box. 3 Click OK. ! When ambient noises are extremely loud, the microphone directivity function may not become fully in effect or the volume level of the noises may fluctuate at short intervals. Using Peripheral Devices > Using the Noise Canceling Headphones n101 N What to do if the icon and the balloon do not appear When the noise canceling function icon ( / ) is not on the taskbar and the balloon message does not pop up from the icon, change the noise canceling function settings. To display the balloon message and the icon 1 Click Start and Control Panel. 2 Click Hardware and Sound. 3 Click Manage audio devices under Sound. 4 On the Playback tab, double-click the speakers or headphones icon. 5 Click the Enhancements tab. 6 Click to select the Noise Canceling Function check box and click Modify Settings. . If the Disable all enhancements check box is selected, click to cancel the check box. 7 Click to select the Display an icon for the noise canceling headphones in the task tray or Display a message when noise canceling headphones are connected check box. 8 Click OK. Using Peripheral Devices > Connecting a Port Replicator n102 N Connecting a Port Replicator Attaching an optional port replicator enables you to connect additional peripherals to your computer, such as a printer and an external display. Locating Ports on the Port Replicator A DC IN indicator Illuminates while the port replicator is powered. B DC IN port (page 18) C USB ports*1 (page 124) D DVI-D port (page 114) E MONITOR port (page 114) F Network (LAN) ports*2 (page 61) G Security slot *1 Compliant with the USB 2.0 standard and support high-/full-/low- speeds. *2 The port replicator has a protective sticker covering each network (LAN) port. Connect a 10BASE-T, 100BASE-TX, 1000BASE-T cable to the network (LAN) port. Using an incorrect cable, such as a phone cable, may result in an electric current overload that can cause a malfunction, excessive heat, or fire in the network (LAN) port. ! Simultaneous use of the following ports is not possible. -HDMI output port on your computer -DVI-D port on the port replicator -MONITOR port on the port replicator Using Peripheral Devices > Connecting a Port Replicator n103 N Attaching Your Computer to the Port Replicator ! Be sure to install the battery pack before attaching your computer to the port replicator. To attach your computer to the port replicator ! Be sure to use the AC adapter supplied with the port replicator. To prevent loss of unsaved data, be sure to turn off your computer before attaching it to the port replicator. Do not move your computer when it is attached to the port replicator. This may detach the port replicator and cause damage to both units. The monitor port on your computer is not accessible when the computer is attached to the port replicator. Use the DVI-D or MONITOR port on the port replicator for connecting an external display. 1 Disconnect all peripherals and the AC adapter from the computer. 2 Plug one end of the power cord (1) into the AC adapter (2) and the other end into an AC outlet. 3 Plug the cable connected to the AC adapter (2) into the DC IN port (3) on the port replicator (4). Using Peripheral Devices > Connecting a Port Replicator n104 N ! Be sure to plug the AC adapter cable as illustrated below: Using Peripheral Devices > Connecting a Port Replicator n105 N Remove the port replicator connector cover from the bottom of the computer. ! You may find it difficult to remove the port replicator connector cover, as it is tight in place on your computer. Do not exert extra pressure when removing the cover so as not to damage the computer or the port replicator connector cover. . Once you have removed the port replicator connector cover, keep it in the designated space (5) on the port replicator. Using Peripheral Devices > Connecting a Port Replicator n106 N Align the rear bottom corners of the computer with the guides on the port replicator. Using Peripheral Devices > Connecting a Port Replicator n107 N Gently push down the computer until it clicks into place. Lift open the LCD screen lid and turn on the computer. Using Peripheral Devices > Connecting a Port Replicator n108 N Disconnecting Your Computer from the Port Replicator ! To prevent loss of unsaved data, be sure to turn off your computer before disconnecting it from the port replicator. When the battery pack is running out of power, disconnecting your computer from the p...
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