Playback Options: The Playback Menu

cDelete

Press the c button (Playback mode) M d (Playback menu) M cDelete

Delete selected or all pictures.

Erase selected images

Delete selected pictures (see “Selecting Pictures” (A 111) for more information).

Erase all images

Delete all pictures.

BNotes on Deletion

•Once deleted, pictures cannot be recovered. Transfer important images to a computer before deletion.

•pictures marked with the sicon are protected and cannot be deleted.

dProtect

Press the c button (Playback mode) M d (Playback menu) M dProtect

Protect selected pictures from accidental deletion.

Select the picture and apply the setting in the picture selection screen (see “Selecting Pictures” (A 111) for more information).

Note, however, that formatting the camera’s internal memory or the memory card will permanently erase protected files (A 129).

Protected pictures are recognized by the sicon in playback mode (A 7, 58).

Shooting, Playback and Setup Menus

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Nortel Networks S640 user manual Protect, 113, Delete selected or all pictures
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S640 specifications

Nortel Networks S640, a notable member of the Nortel product line, offers a comprehensive solution for enterprises requiring high-performance network equipment. Known for its reliability and extensive features, the S640 has gained traction in various industries, addressing the demand for robust telecommunications and data networking.

One of the primary characteristics of the S640 is its advanced switching capabilities. It operates at Layer 2 and Layer 3, making it suitable for diverse network topologies. The switch is capable of managing a high volume of data traffic efficiently due to its scalability, accommodating growing network needs without compromising performance.

The S640 is equipped with Power over Ethernet (PoE) technology, which simplifies the deployment of connected devices like IP cameras and VoIP phones. This feature not only reduces the need for separate power supplies but also enhances installation flexibility.

Another vital feature of the S640 is its support for Quality of Service (QoS). This functionality ensures that critical applications receive priority over less essential traffic, leading to improved performance for services such as voice and video over the network. QoS management is especially crucial in business environments where it is necessary to maintain operational efficiency and user satisfaction.

Security is paramount in modern networks, and the S640 addresses this with a range of integrated security features. It supports advanced authentication mechanisms such as IEEE 802.1X, ensuring that only authorized devices can access the network. Additionally, features like virtual LAN (VLAN) support help isolate different segments of network traffic, bolstering security and management capabilities.

The S640 also emphasizes energy efficiency, making it an environmentally friendly option for enterprises concerned about their carbon footprint. Nortel has designed this equipment to meet various energy standards, reducing consumption while delivering optimal performance.

In summary, the Nortel Networks S640 stands out in the crowded networking market through its powerful switching capabilities, support for PoE and QoS, robust security features, and commitment to energy efficiency. This combination of characteristics makes it an ideal choice for enterprises looking to upgrade their networking infrastructure to meet contemporary demands. With its reliable performance and versatile functionalities, the S640 continues to be a significant asset in the evolution of network technology.
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