3INSTALLATION AND CONNECTION

On the back of the monitor three kinds of plug-in connec- tions are provided: AC power connector for the AC input, two DB9-15P connectors for video signal input, and USB ports for USB communication.

3.1AC Power Connection

One end of the AC power cord is connected to the AC power connector on the back of the monitor. The other end is plugged into a properly grounded three-prong AC outlet. The monitor’s auto-sensing power supply can automati- cally detect 100-120V AC or 220-240V AC and 50 or 60Hz.

3.2Signal Cable Connection

The DB9-15P(VGA) connector is provided for compatible analog RGB outputs from your computer.

3.2.1 Connection to VGA Compatible System

Figure 5 shows the SC-B110 cable connection to the Video Graphics Array (VGA) port.

1.Power off, both the monitor and the computer.

2.Connect the one end of the SC-B110 cable to the DB9-15P connector on the VGA controller card.

3.Connect the other end of the SC-B110 cable to the DB9-15P receptacle on the back of the monitor.

4.Power on the monitor, then the computer.

5.After using the system, power off the monitor, then the computer.

Figure 5

The socket-outlet shall be installed near the equipment and shall be easily accessible. During servicing, discon- nect the plug from the socket-outlet.

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Compaq 1220 Installation and Connection, AC Power Connection, Signal Cable Connection, Connection to VGA Compatible System

1220 specifications

The Compaq 1220 is a notable entry in the realm of portable computing, representing a significant evolution in laptop design and functionality during its time. Launched in the early 1990s, this model stands out for its blend of portability, performance, and user-friendly features, which catered to both business professionals and everyday consumers.

One of the key features of the Compaq 1220 is its compact size, which distinguished it from bulkier contemporaries. Weighing in at approximately 5.6 pounds, it was designed to be easily transported, making it an attractive option for users who required computing power on the go. Its dimensions, along with its relatively lightweight chassis, facilitated easy handling and travel, aligning perfectly with the growing demand for mobile computing solutions.

Equipped with a high-resolution color LCD screen, the Compaq 1220 offered enhanced visual clarity, allowing users to engage with their applications and content with improved detail and vibrancy. The display technology was a significant advancement at the time and contributed to a more immersive user experience, whether for professional presentations or casual media consumption.

In terms of performance, the Compaq 1220 featured an Intel 486 processor, which provided the necessary computing power for running various applications, from word processing to spreadsheet management. It also included a sufficient amount of RAM, ensuring smooth multitasking capabilities. The inclusion of a hard drive offered ample storage space for documents and files, a crucial aspect for business users who relied on their laptops for storing important data.

Another noteworthy aspect of the Compaq 1220 was its battery life. The laptop was engineered to offer several hours of usage on a single charge, enabling users to work remotely without the constant worry of needing a power source. This feature was especially appreciated in an era where power outlets were not as prevalent in public spaces.

Connectivity was made possible through various ports and expansion slots, allowing for compatibility with printers, external drives, and other peripherals. This versatility made the Compaq 1220 a functional tool for various tasks, from office work to creative projects.

Overall, the Compaq 1220 exemplified the transition towards more portable and powerful computing, laying the groundwork for future innovations in laptop technology. Its combination of lightweight design, enhanced display, robust performance, and reliable battery life made it a memorable model in the evolution of personal computing.