HP 6720t Mobile manual Using the audio-in microphone jack, Using the audio-out headphone jack

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Using the audio-in (microphone) jack

The computer is equipped with a stereo (dual-channel) microphone jack that supports an optional stereo array or monaural microphone. Using sound recording software with external microphones allows for stereo recordings.

When connecting a microphone to the microphone jack, use a microphone with a 3.5-mm plug.

Using the audio-out (headphone) jack

WARNING! To reduce the risk of personal injury, adjust the volume before putting on headphones, earbuds, or a headset. For additional safety information, refer to the Regulatory, Safety and Environmental Notices. These notices are located in the printed Getting Started guide.

CAUTION: To prevent possible damage to an external device, do not plug a single sound channel (monaural) connector into the headphone jack.

In addition to connecting headphones, the headphone jack is used to connect the audio-out function of an audio device such as external powered speakers or a stereo system.

When connecting a device to the headphone jack, use only a 3.5-mm stereo plug.

When a device is connected to the headphone jack, the speakers are disabled.

Adjusting the volume

You can adjust the volume using the following controls:

●Computer volume buttons:

◦Volume mute button

◦Volume down button

◦Volume up button

●Windows volume control:

a.Click the Volume icon in the notification area, at the far right of the taskbar.

b.Increase or decrease the volume by moving the slider up or down. Select the Mute check box to mute the volume.

– or –

a.Double-click the Volume icon in the notification area.

b.In the Master Volume column, you can increase or decrease the volume by moving the Volume slider up or down. You can also adjust the balance or mute the volume.

If the Volume icon is not displayed in the notification area, follow these steps to add it:

a.Select Start > Control Panel > Sounds, Speech, and Audio Devices > Sounds and Audio Devices > Volume tab.

b.Select the Place volume icon in the taskbar check box.

c.Click Apply.

Using multimedia hardware 25

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Contents HP Compaq 6720t Mobile Thin Client Page Safety warning notice Iv Safety warning notice Product notice Vi Product notice Table of contents Multimedia Appendix a Routine care Page Pointing devices Identifying the hardwareTop components Component Description LightsAdjust Power Properties Buttons and switchesFn key KeysLeft-side components Front componentsRight-side components Bottom components Rear componentsWireless antennae Identifying the labels Enhanced Write Filter Using the Enhanced Write FilterPointing devices Using pointing devicesSetting pointing device preferences Connecting an external mouseDisplaying system information fn+esc Using the keyboardUsing hotkeys Decreasing screen brightness fn+f9 Switching the screen image fn+f4Viewing battery charge information fn+f8 Initiating Standby fn+f3Enabling and disabling the embedded numeric keypad Using the keypadsUsing the embedded numeric keypad Switching key functions on the embedded numeric keypad Using an optional external numeric keypadPower control and light locations PowerProperties Shutting down the computerInitiating and exiting Standby Setting power optionsUsing power-saving states Using the battery meter Using battery powerInserting or removing the battery Displaying the remaining battery chargeCharging a battery Resolving a low battery level Managing low battery levelsConserving battery power Identifying low battery levelsDisposing of a used battery Using external AC powerStoring a battery Connecting the AC adapter Multimedia Using multimedia hardwareUsing the audio features Adjusting the volume Using the audio-in microphone jackUsing the audio-out headphone jack Using the external monitor port Using multimedia softwareUsing the video features Opening preinstalled multimedia softwareObserving the copyright warning Using multimedia softwarePreventing playback disruptions Using Wlan WirelessAbout integrated wireless devices Using wireless controlsSetting up a Wlan Identifying a Wlan device Connecting to a WlanUsing wireless security features Modem and LAN Using a modemConnecting a modem cable Connecting a country-specific modem cable adapter Viewing the current location selection Selecting a location settingSolving travel connection problems Set the modem to ignore dial tones Connecting to a local area networkPage Protecting the computer SecurityUsing a power-on password Using passwordsSetting passwords in Windows Requiring a power-on password at restart Managing a power-on passwordEntering a power-on password Installing a security cable Connecting a USB device Connecting hardwareUsing a USB device Inserting and removing a PC Card Using the docking connectorUsing PC Cards Removing a USB devicePage Page Handling drives Hardware upgradesIdentifying installed drives Using optical drives select models only Inserting an optical disc CD or DVD Removing an optical disc CD or DVD When the disc tray opensWhen the disc tray does not open Traveling and shipping Cleaning the displayCleaning the keyboard Routine carePage USB IndexWlan

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