Maintaining the System

Upgrading the System

This section describes how to upgrade the projector’s firmware.

“To update the firmware” on page 51

To update the firmware

HP might periodically release updated versions of the projector firmware to enhance the projector performance. Firmware versions are shown in the on-screen menu at Help > About this projector and in the Web interface on the Home tab. Check for updated versions at http://www.hp.com/go/proj_firmware.

Web method

1.Be sure the projector is connected to the local network.

2.Determine the wired IP address of the projector. See “To find the projector’s address” on page 47 for more information.

3.Turn off the projector and allow it to cool.

4.On a networked computer, open Internet Explorer or Netscape Navigator, enter the wired IP address of the projector in the URL bar, and press the Enter key.

5.Click the Management tab, and on the left side of the screen, select Firmware Upgrade.

6.Click the link for finding upgrade files on the Web, then download the latest upgrade file intended for a Web upgrade.

7.Return to the projector Firmware Upgrade page and click Browse. Then select the file you downloaded.

8.Click the upgrade button to start the upgrade process. Follow the on-screen instructions. Do not interrupt the process until it finishes.

User’s Guide

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HP L1581A manual Upgrading the System, To update the firmware, Web method

L1581A specifications

The HP L1581A is a high-performance test instrument designed specifically for the testing and evaluation of fiber optic components and systems. Targeted at telecommunications and networking applications, this device epitomizes precision and reliability in optical testing, making it an invaluable tool for engineers and technicians.

One of the standout features of the HP L1581A is its capability to deliver accurate measurements of optical power and signal quality across a wide range of wavelengths. This versatility allows it to support multiple fiber optic standards, accommodating both single-mode and multimode fibers. The instrument's wide wavelength range typically spans 1260 nm to 1650 nm, covering the primary wavelengths used in modern fiber optic communications.

The HP L1581A employs advanced technologies for signal processing and analysis, ensuring high-resolution measurements and minimal uncertainty. It incorporates state-of-the-art photodetectors that provide improved sensitivity and dynamic range. Additionally, the device features a user-friendly interface, often accompanied by a graphical display, which simplifies the analysis process with clear visual representations of data.

In terms of characteristics, the HP L1581A is noted for its compact design and portability, making it suitable for field operations as well as laboratory environments. Its robust construction ensures durability under varying conditions, which is critical in the demanding field of telecommunications.

Moreover, the instrument supports various measurement modes, including relative power measurement and absolute optical power measurement, providing users with flexibility depending on their testing needs. The L1581A also offers data logging capabilities, enabling users to store and analyze measurements over time, which is critical for long-term performance assessments.

Another significant feature of the HP L1581A is its compatibility with various software applications, allowing for seamless integration into existing test setups. This feature enables remote control and automation, which enhances productivity and efficiency in testing processes.

In conclusion, the HP L1581A is a sophisticated instrument equipped with high-precision measurement capabilities, advanced technologies for signal processing, and versatile operational features. Its robustness and user-friendly interface make it essential for professionals working with fiber optic systems, ensuring accurate testing and maintenance of critical telecommunications infrastructure.