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Be careful about the volume when you change the configuration. Using Peripheral Devices > Using the Noise Canceling Headphones n100 N Connecting the Noise Canceling Headphones To connect the noise canceling headphones Plug the headphones cable into the headphones jack i. The icon appears on the taskbar to indicate that the noise canceling function is enabled and a balloon message pops up from the icon. . When the icon is on the taskbar, the noise canceling function is disabled. Right-click the icon and select Enable Noise Canceling Function from the menu. If no icon is on the taskbar, see What to do if the icon and the balloon do not appear (page 103) to change the settings. Using Peripheral Devices > Using the Noise Canceling Headphones n101 N Adjusting the Effect of the Noise Canceling Function The noise canceling headphones supplied with your computer is configured to yield the optimum effect by default. If you feel that the noise canceling function is not fully in effect, you may be able to adjust the effect with the Noise Canceling Control slider on the Noise Canceling Headphones window. To adjust the effect of the noise canceling 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 103) to change the settings. 2 Drag the Noise Canceling Control slider toward Mic+ or Mic- to select your desired noise canceling level. . The slider should be at the center of the range to yield the optimum level. Dragging the slider all the way to Mic+ does not bring the noise canceling function fully into effect. 3 Click Apply. 4 Confirm that the noise canceling effect is satisfactory and then click OK. Using Peripheral Devices > Using the Noise Canceling Headphones n102 N Using the microphone directivity function Just like an ordinary microphone, the built-in microphone of the noise canceling headphones picks up ambient sounds coming from all directions. The microphone directivity (beamforming) function, however, can reduce ambient noises and pick up mainly your voice and sounds coming from your front and rear. 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 103) 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 n103 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 n104 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 126) D DVI-D port (page 116) E MONITOR port (page 116) F Network (LAN) ports*2 (page 63) 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 n105 N Attaching Your Computer to the Port Replicator ! Be sure to install the battery pack before...
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