Turning sound on/off

•Turn the camera on and press the mode button.

•Select Sound and then select ON or OFF.

Taking pictures

To take pictures using your Digital Camera:

•Turn the camera on.

•In low light conditions, check to make sure the flash is ready. Be sure the Flash is set to AUTO.

•Use the aiming mark in the viewfinder to center the image you want to capture.

•Alternatively, use the color LCD display to view the image you want to capture. The color LCD comes on automatically in preview mode when the camera is turned on. Press the LCD button again to view preview mode with icons.

•Hold the camera still and press the shutter button.

•The LCD will indicate when the picture has been successfully taken by cycling through the number display. If the sound feature is turned on, one short beep will also indicate that a picture has been taken.

Note: Safety while taking pictures

Do not use the camera while you are walking, running, driving or operating machinery. Doing so can result in a serious accident.

About Autobrite® technology

The camera offers the benefits of a technology known as Autobrite. This technology automatically adjusts the exposure and captures crisp details in scenes where both dim and bright lighting conditions are present, such as glare or backlighting. Most existing digital cameras produce washed out or silhouetted images under such conditions. We suggest you try to avoid taking pictures pointing directly at bright objects (such as the sun), due to the potential impact of extremely bright lighting on image quality and lens flare.

Autobrite is proprietary to SMaL Camera Technologies, Inc. of Cambridge, Massachusetts, USA.

Low light lock-out

Low light lock-out is a feature that prevents the camera from taking pictures in low light settings when the flash is not ready. When low light lock-out is enabled the camera will give a warning beep – even if the sound is off. To override low light lock-out, continue holding the shutter button for 1 second after the warning beep.

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Philips PT44434, SIC4434 manual Turning sound on/off, Taking pictures, About Autobrite technology, Low light lock-out
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PT44434, SIC4434 specifications

The Philips SIC4434 and PT44434 are significant advancements in the field of power management and regulation, designed to cater to modern electronic applications requiring efficient and reliable performance. These devices showcase Philips’ commitment to innovation by integrating cutting-edge technologies that enhance their functionality and efficiency.

The SIC4434 is a highly integrated synchronous buck converter that supports a wide input voltage range of up to 36V, making it suitable for various applications, from battery-operated devices to industrial equipment. Its output current capability of up to 40A allows for versatile usage in powering high-performance components. The SIC4434 also features a high-frequency operation that increases efficiency and reduces the size of passive components in the circuit, enabling compact designs in consumer electronics.

Key features of the SIC4434 include an integrated high-side and low-side MOSFET driver, which minimizes power losses during operation. The device utilizes a current-mode control architecture that ensures stable operation and quick transient response, essential for devices that experience rapid changes in load conditions. Additionally, it incorporates comprehensive protection features such as over-voltage protection, under-voltage lockout, and thermal shutdown, ensuring reliability and longevity in various operating conditions.

On the other hand, the PT44434 is a versatile power supply controller designed for a range of applications. It is particularly optimized for isolated power supplies and features a primary-side regulation architecture, reducing the complexity of feedback components. The PT44434 supports a wide input voltage range and can be configured for various output voltages, making it adaptable to different system requirements.

Among its notable characteristics, the PT44434 includes built-in soft-start features, which help to minimize inrush current during startup, protecting both the device and the load. The device also supports frequency modulation capability for reduced electromagnetic interference (EMI) and higher efficiency. The integration of a high-voltage startup circuit further simplifies the design process, allowing for a more compact solution.

Both the SIC4434 and PT44434 are excellent examples of Philips’ innovation in the power management sector, combining high performance, efficiency, and reliability for applications in consumer electronics, industrial systems, and automotive technology. With their robust feature sets and advanced technologies, these devices provide excellent solutions for power regulation needs in contemporary electronic designs.
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