AF Assist, Digital Zoom, 127 | Nortel Networks S640 guide

Basic Camera Setup: The Setup Menu

hAF Assist

Press the d button M z(Setup menu) (A 117) M hAF assist

Enable or disable AF-assist illumination.

Auto (default setting)

AF-assist illumination will be used to assist the focus operation when the subject is poorly lit. The illuminator has a range of about 3.0 m (9 ft. 10 in.) at the maximum wide-angle position and about 1.0 m (3 ft. 3 in.) at the maximum telephoto position. However, note that for some scene modes, AF-assist illumination turns off automatically (A 38 to 44) even if Auto is set.

Off

Disable this function. The camera may be unable to focus if lighting is poor.

uDigital Zoom

Press the d button M z(Setup menu) (A 117) M u Digital zoom

Enable or disable digital zoom.

On (default setting)

When the camera is zoomed in to the maximum optical zoom position, rotating and hold the zoom control at g (i) triggers digital zoom (A 27).

Off

Digital zoom will not be activated (except when shooting a movie).

BNotes on Digital Zoom

•When using digital zoom, AF area mode is set to Center and cannot be changed (A 104).

•Digital zoom cannot be used in the following situations.

-When Scene auto selector, Portrait or Night portrait is selected for scene mode

-When smart portrait mode is selected

-When subject tracking mode is selected

-When Multi-shot 16 is selected (A 101)

-Before movie recording begins (digital zoom of up to 2× can be applied while movies are being recorded)

•When using digital zoom, Metering is set to Center-weighted.

Shooting, Playback and Setup Menus

127 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.

Nortel Networks S640 AF Assist, Digital Zoom, 127, Enable or disable AF-assist illumination

Models: S640