Asus E7748, F75AWH31, R50, R503A-RH01, R503C-RH31, R503CRS31, R704ARH51, R704VDRB51, X55A-DS91, X55ADS91, X55AJH91, X55C-DS31, X55CDH31, X55CDS31, X55CXH31, X75A-DB32, X75A-DH31, X75ADB32, X75ADB51, X75ADH31, X75ADH32, X75ADS31, X75AXH51 Microphone Input Jack, Headphone Output Jack

Microphone Input Jack

The mono microphone jack (1/8 inch) can be used to connect an external microphone or output signals from audio devices. Using this jack automatically disables the built-in microphone. Use this feature for video conferencing, voice narrations, or simple audio recordings.

Headphone Output Jack

The stereo headphone jack (1/8 inch) is used to connect the Notebook PC’s audio out signal to amplified speakers or headphones. Using this jack automatically disables the built-in speakers.

Notebook PC User Manual

Contents

Notebook PC User Manual Table of Contents Chapter 1: Introducing the Notebook PC Chapter 2: Knowing the parts Chapter 4: Using the Notebook PC Appendix Page Chapter 1: Introducing the Notebook PC About This User’s Manual Notes for This Manual Safety Precautions Page Sound Pressure warning DC Fan warning Adapter Information Transportation Precautions Cover Your Notebook PC Charge Your Batteries Airplane Precautions Preparing your Notebook PC Page Chapter 2: Knowing the parts Top Side Microphone (Built-in) Camera 3 Camera Indicator Display Panel Power Switch Bottom Side 1Battery Lock - Spring 2Battery Pack 3Battery Lock - Manual 4Memory (RAM) Compartment 5Hard Disk Drive Compartment Right Side Left Side 2Air Vents 3LAN Port 4Display (Monitor) Output 5 HDMI HDMI Port USB Port USB Charger+ (on selected models) 8/Headphone Output / Microphone Input Combo Jack Microphone Input Jack Headphone Output Jack Rear Side Front Side Chapter 3: Getting Started Power System Using AC Power Page Using Battery Power Battery Care Powering ON the Notebook PC The Power-OnSelf Test (POST) Self Monitoring and Reporting Technology Checking Battery Power Charging the Battery Pack Power Options Emergency Shutdown Power Management Modes Sleep and Hibernate Hibernate Sleep Windows Thermal Power Control Special Keyboard Functions Colored Hot Keys (on selected models) Crossed-outTouchpad (F9) (on selected models): Crossed Speaker Icons (F10): Speaker Down Icon (F11): Speaker Up Icon (F12): Fn+C: Fn+V (on selected models): Fn+A (on selected models): Microsoft Windows Keys Multimedia Control Keys Switches and Status Indicators Switches Status Indicators Drive Activity Indicator Bluetooth / Wireless Indicator Number Lock Indicator Capital Lock Indicator Chapter 4: Pointing device Using the Touchpad Touchpad usage illustrations Rotating Scrolling Zooming Caring for the Touchpad Disabling the Touchpad automatically Storage Devices Optical Drive (on selected models) The hub should be higher than the disc when correctly mounted Removing an optical disc Emergency eject Using the Optical Drive Listening to Audio CD Flash Memory Card Reader Hard Disk Drive Page Installing the hard disk drives Memory (RAM) Connections Network Connection Twisted-PairCable Wireless LAN Connection (on selected models) Ad-hocmode Infrastructure mode Windows Wireless Network Connection Page Bluetooth Wireless Connection (on selected models) Bluetooth Network Devices Add a device Close USB Charger+ AppendixA Optional Accessories Optional Connections Operating System and Software System BIOS Settings Security Setting 1.On the Security screen, select Setup Administrator Password or User Password Create New Password Confirm New Password I/O Interface Security 1.On the Security screen, select I/O Interface Security LOCKED USB Interface Security Lock HDD Password Security Set Master Password Set User Password Save Changes Common Problems and Solutions Hardware Problem - Built-inCamera Hardware Problem - Battery Hardware Problem - Power ON/OFF Error Symptom & Solutions: Hardware Problem - Wireless Card Device Manager Mechanical Problem - FAN / Thermal Software Problem - ASUS bundled software Unknown Reason - Blue screen with white text Page Software Problem - BIOS Start Easy Flash Advanced Restore Defaults Exit Recovering Your Notebook PC Using Recovery Partition Using Recovery DVD (on selected models) Using the Recovery DVD:�� DVD-ROMDrive Information Region Definitions Region Blu-rayROM Drive Information (on selected models) Region A Region B Region C Internal Modem Compliancy Non-VoiceEquipment This table shows the countries currently under the CTR21 standard Country Applied Page Declarations and Safety Statements Federal Communications Commission Statement FCC Radio Frequency (RF) Exposure Caution Statement Declaration of Conformity (R&TTE directive 1999/5/EC) CE Marking IC Radiation Exposure Statement for Canada Wireless Operation Channel for Different Domains France Restricted Wireless Frequency Bands Page UL Safety Notices Power Safety Requirement TV Tuner Notices REACH Nordic Lithium Cautions (for lithium-ionbatteries) Optical Drive Safety Information Laser Safety Information Service warning label CDRH Regulations Macrovision Corporation Product Notice CTR 21 Approval (for Notebook PC with built-inModem) Spanish Swedish European Union Eco-label ENERGY STAR complied product Global Environmental Regulation Compliance and Declaration ASUS Recycling/Takeback Services Regional Notice for United States of America Copyright Information Limitation of Liability Service and Support

Asus Microphone Input Jack, Headphone Output Jack

Models: E7748 F75AWH31 R50 R503A-RH01 R503C-RH31 R503CRS31 R704ARH51 R704VDRB51 X55A-DS91 X55ADS91 X55AJH91 X55C-DS31 X55CDH31 X55CDS31 X55CXH31 X75A-DB32 X75A-DH31 X75ADB32 X75ADB51 X75ADH31 X75ADH32 X75ADS31 X75AXH51