[. . . ] The drive (retail pack only) comes complete with everything you need to make CD's right away, including bundled software and blank CDs. High Reliability An improved anti-heat design and the OPC design boost recording reliability. Optimum Power Control continually monitors signal levels during 4 recording and adjusts laser power to compensate for a dirty disc. [. . . ] (Analog signal. ) 10 2. 10 Digital Audio Output (Not used) Used to connect to the sound card. 2. 11 Device Configuration Jumper Used when selecting the Device Configuration of E-IDE. Don't use jumpers to change anything besides the Device Configuration, but keep the drive as initially set ("Master" position). Configuration changes become valid after power is turned off, then on again. Caution: Installing jumper pins besides the ones for Device Configuration settings may be the cause of damage or abnormal drive operation. Fig. 4 Device Configuration Jumper The Device Configuration Jumper will be set to Master as factory setting. 3. 11 Installation Conditions: Mounting direction Installation Angle Horizontal / Vertical (Eject Button must be upside. ) 15 degree or less Fig. 5 Installation Conditions Compatibility: Because Compact Disc do not perform error correction and defect alternation at writing, written data may have error. We recommend to verify the written disc if you are writing important data. 12 4. ! Dismantling the drive to attempt repairs or for other reasons is dangerous because the laser may radiate outside the unit. Avoid locations where there is high humidity, much dust, or poor ventilation. Avoid locations in direct sunlight, with severe changes in humidity, or places where there are extremely high or low temperatures. ! ! Don't suddenly move the drive from a cold place to a warm one, or suddenly raise the room temperature. Be careful to prevent foreign objects such as liquids or metal from entering the drive. Should by chance a foreign object enter the drive, please consult the dealer where the drive was purchased. ! wipe the drive, or moisten a cloth with neutral detergent diluted with water and use it to clean particularly dirty areas. [. . . ] 1. 7 Busy indicator When the disc tray or disc is being accessed, the light shines or flashes orange. Even when a disc is loaded or a disc is not being accessed, the light go out. When a illegal disc is loaded or some hardware trouble occurs, the indicator blinks. 2. [. . . ]