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Online payment services of rameesh online payment

The importance of management control systems in e-commerce, however, has often been overlooked by both managers and observers of managerial practices. Although studies of traditional business readily acknowledge the importance of various systems

Online payment services of rameesh online payment

The importance of management control systems in e-commerce, however, has often been overlooked by both managers and observers of managerial practices. Although studies of traditional business readily acknowledge the importance of various systems

DXA-SLR Manual V07 - Beachtek
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The BeachTek DXA-SLR is a two-channel, active XLR adapter with built-in preamplifiers for attaching external microphones and other audio gear to any DSLR camera that has a built-in mic jack. It can also be used with any camcorder or other audio recording device that has a mic jack. The DXA-SLR uses exceptionally low noise, wide bandwidth preamplifiers for superb audio. The DXA-SLR is very easy to set up and use. It allows you to connect a wide variety of audio devices including wireless systems, mixers, sound boards and professional condenser microphones that require 48 volt phantom power to operate. The built-in signal indicators make it easy to verify the proper input levels at a glance while the level controls allow you to adjust the output level for optimum recording. The headphone jack lets you monitor the audio from the adapter during recording, or camera during playback. A unique feature of the DXA-SLR is the ability to control the wild swings of the Auto Gain Control that plague most cameras. This dramatically reduces noise during quiet moments of recording. The adapter mounts to the bottom of the camera and can also be mounted to any standard tripod.

DXA-SLR PRO Manual - Beachtek
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This operating manual explains the adapter function settings and how to use the adapter to record audio into the camera. ©BeachTek Inc. 2012 Thank You for Purchasing a BeachTek Product Congratulations on purchasing the most advanced custom designed audio adapter for DSLR cameras available today. This adapter is packed with features to enable you to record professional audio directly to your camera. • Before using this high quality device, please read this guide thoroughly to obtain the highest performance. • Please contact us if you have any problems or questions. Description The BeachTek DXA-SLR PRO is a two-channel, active XLR adapter with built-in preamplifiers for attaching external microphones and other audio gear to any DSLR camera that has a built-in mic jack. It can also be used with any camcorder or other audio recording device that has a mic jack. The DXA-SLR PRO uses exceptionally low noise, wide bandwidth preamplifiers for superb audio. This allows you to record high quality audio directly to the camera which will always be in sync with the video. Direct audio recording eliminates the need to have a separate audio recording device and syncing the audio in post editing. The DXA-SLR PRO is very easy to set up and use. It allows you to connect a wide variety of audio devices including wireless systems, mixers, sound boards and professional condenser microphones that require 48 volt phantom power to operate. The inputs are transformer balanced for isolation and enhanced circuit protection. Built-in VU Meters makes it easy to verify the proper input levels at a glance, while the level controls allow you to adjust the output signal for optimum recording. Built-in fast acting limiters prevent distortion from overly hot inputs for worry free operation. The phone jack lets you monitor the audio from the adapter during recording, or camera during playback. A unique feature of the DXA-SLR PRO is the ability to control the wild swings of the Auto Gain Control that plague most cameras. This dramatically reduces noise during quiet moments of recording. The adapter mounts to the bottom of the camera and can also be mounted to any standard tripod.

Get the Most From Your Digital SLR - Digital SLR Guide

Digital SLR cameras are quite simple. I can hear the cries of outrage right now, but this first statement is true. Let's compare operating a digital SLR to using your television set. These days, TVs come with a wealth of options: memory scan, picture in picture, color correction, sound options. Do you have to use all of these features to watch TV? Not at all. In fact, you only need to know 3 things to watch TV: 1. How to turn it on 2. How to change channels 3. How to increase and decrease the volume Here's the thing: with a digital SLR camera, you ALSO only need to know 3 things: 1. How to turn it on 2. How to change the aperture 3. How to change the shutter speed All text and photos copyright © 2008 The Digital SLR Guide This document may not be reproduced without permission. That's it! OK, you're right. You don't even have to know that much, since many people use their digital SLRs without ever changing aperture or shutter speed. It's easy to use a digital SLR camera in AUTO or PROGRAM mode but this defeats the purpose of owning an SLR camera. One of the benefits of an SLR over a compact point-and-shoot is that you have control over every photo you take. YOU make the decision about how every photo is going to look NOT the camera. Why is this important? Because your digital SLR is - in the end - just a small computer. While it excels at processing millions of colored dots of information, it makes pretty poor judgment calls about the artistic qualities of your photos. Once you wrestle control of aperture and shutter speed away from the camera and make them your own, you'll see a remarkable improvement in all of the photos you take. Before You Begin Before you get too deep into this lesson, I'd like you to do something for me. Go out and take a few shots with your camera. The subject doesn't have to be anything special - just find something (or someone) you enjoy photographing. You also don't have to go crazy, just 10 or 20 photos will do. I'll tell you what this is all about when you're done with the e-course. Definitions Here comes the tough part of this week's digital SLR course - the definitions. While I try to keep these as simple as possible, it's inevitable that some of the finer points won't be immediately understood. Don't despair. These definitions will become clear over time - the most important thing is that you practice a lot and see for yourself what effect each camera setting has on your photos. We'll take care of the practice part in the Exercises, but those come later.

-Introducing the LUMIX DMC-L1 - Panasonic's First Digital SLR ...

-Introducing the LUMIX DMC-L1 Panasonic's First Digital SLR Camera with Interchangeable Lens Osaka, Japan – Panasonic, the leading brand for which Matsushita Electric Industrial Co., Ltd. is well known, begins sales of its first digital single-lens reflex (SLR) camera with interchangeable lens, the DMC-L1, on 22nd July, 2006 in Japan. In developing the DMC-L1, Panasonic's aim was to create a digital SLR camera that delivers superb photographic rendering capabilities and is a pleasure to use. The DMC-L1 comes equipped with a LEICA D VARIO-ELMARIT lens, the first Leica lens designed specifically for a digital SLR camera and equipped with MEGA O.I.S. (Optical image stabiliser). The DMC-L1 also incorporates a Live MOS image sensor that conforms to the Four Thirds standard and offers 7.5 megapixels to ensure outstanding picture quality. The new camera also introduces a full-time Live View function that, using a signal output directly from the Live MOS sensor, lets users see on the LCD screen the same image seen by the sensor. With full-time Live View and the DMC-L1's large LCD screen, users can compose shots in new ways and with greater ease and accuracy. The DMC-L1 also features a dust reduction system that solves the digital SLR camera's long-standing problem of dust adhering to the sensor. In the new DMC-L1, Panasonic has incorporated today's most advanced digital technologies while maintaining the attractive look and operating feel of the familiar film camera. A shutter speed dial on the camera top together with an aperture ring on the LEICA D VARIO-ELMARIT 14-50mm/F2.8-3.5 lens give the user easy, intuitive control of the exposure. The magnesium-alloy body, which in design closely resembles the body of a rangefinder camera from days past, combines with the aluminium-alloy lens section to offer both high rigidity and a high-grade appearance. With the DMC-L1, Panasonic has created a digital SLR camera that is a pleasure to use and can render photographs of exquisite beauty. Advanced photographers and hobbyists alike will find the DMC-L1 to be an extremely satisfying tool capable of capturing expressive, artistic images. 1. Refined design makes the camera a pleasure to hold and use 2. Superior image rendering thanks to the Leica D lens equipped with optical image stabilisation 3. Live View function allows users to shoot in new ways 4. Dust reduction system prevents dust and other particles from degrading photographs

Various Types Of Fire Alarm Systems
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Sigma Engineered Solutions is your sole provider for Fire & Security Systems such as Access Control, Door Entry, CCTV, Intruder Alarms & Fire Alarms.

Supplying TPS61200 With a Single Solar Cell - Texas Instruments

This application report explains how to use the TPS61200 in combination with a single solar cell to charge a battery or storage device. A characteristic of solar cells is the internal resistance that can vary from less than 10 Ω up to more than 100 Ω. Therefore, it is important to control the load placed on the solar cell to ensure a reliable start-up of the application. This report describes an application that avoids the solar cell output voltage breaking down and manages the load as the solar cell power changes. The solution provides a reliable start-up of the TPS61200 using solar cells that can deliver at least 3 mA at 0.5 V. Solar Cell Knowledge In general, solar cells can be classified into two types, crystalline silicon solar cells and amorphous silicon solar cells on float glass. Both types have certain benefits in specific applications as a power source. Usually, the crystalline silicon solar cell has better efficiency compared to the amorphous silicon solar cell. On the other hand, the amorphous silicon solar cell is more sensitive to stray light than the crystalline solar cell. This does not totally compensate the lower efficiency but brings both types close together. The amorphous silicon solar cells cost less than crystalline solar cells. The power that can be drawn from a solar cell depends on the physical size and type of the cell – the smaller the solar cell, the less power it can deliver. For some applications, it can be beneficial to use solar cells in series to increase the module output voltage instead of boosting from a single solar cell. For ultralow power applications, this yields better efficiency numbers compared to what is achievable with a single-cell configuration with a nominal output voltage of 0.5 V. When using solar cells, it is important to consider what kind of light source is available. Sunlight delivers much more energy than artificial light. A bulb lamp is better than a fluorescent lamp. Therefore, it is necessary to match the solar cell with the application and the light condition for which it is used . Crystalline silicon solar cells work best if used outside with sunlight. For indoor use, amorphous silicon solar cells are more suitable. This type of solar cells has a different light sensitivity which fits the spectrum of artificial light much better than crystalline solar cells. Prepared for both light conditions is the stacked type of solar cells. It is build of two thin layers of amorphous silicon with a different spectral light sensitivity and stacked on top of each other. This kind of solar cell is working with a much wider spectrum of light than any other type. Therefore it is ideal for hand-held devices which can be used indoor and outdoor.

High performance – Stable yields. Bosch Solar Cell M 3BB C4 1200

Our monocrystalline solar cells offer impressive features including:  High annual yields, even with sub-optimal levels of sunlight, thanks to excellent performance in weak light conditions  Exceptionally stable performance thanks to using purest silicon and to high-resistance wafers  Improved cell processing as a result of narrow performance tolerances  Reliability of short and long term supply, due to high production capacity  Pioneering 3-busbar technology reduces the series resistance and helps to boost the power output in the module Packaging:  pack as smallest packaging unit 150  Suitable for controlling/checking incoming goods digitally using a barcode system Production & quality control:  100 % classification under IEC 60904 and IEC 60891  100 % testing of reverse-current  Regular calibration at Fraunhofer ISE Bosch Solar Cell M 3BB | C4 1200 Storage conditions:  Store at room temperature, protected from dust and moisture. Product characteristics Dimensions 156 mm x 156 mm (±0.5 mm) pseudo square Diagonal 205 mm ±1 mm Average thickness 190 μm (±30 µm) 210 μm (±30 µm) Front contacts (–) 3 Busbars (silver) with 1.47 mm width, textured surface with silicon nitride anti-reflective coating Back contacts (+) 3 rows of soldering pads (silver) with a pad width of 2.9 mm, full-surface aluminium BSF Dark reverse current Irev < 1.5 A @ –12 V Power sorting Recommendations for processing:  Tin-plated copper ribbon  Coating: 10–15 µm (62 % Sn / 36 % Pb / 2 % Ag) +50 / –0 mW Electrical data: Weak light performance: Class Pmpp [Wp] Efficiency [%] Vmpp* [mV] Impp* [mA] Voc* [mV] Isc* [mA] 4.49 4.49 – 4.54 18.63 – 18.84 530 8 476 631 9 041 4.44 4.44 – 4.49 18.43 – 18.63 529 8 408 631 8 970 4.39 4.39 – 4.44 18.22 – 18.43 527 8 387 630 8 951 4.34 4.34 – 4.39 18.01 – 18.22 525 8 339 629 8 907 4.29 4.29 – 4.34 17.81 – 18.01 522 8 274 627 8 872 4.24 4.24 – 4.29 17.60 – 17.81 519 8 212 627 8 862 Intensity [W/m2] 1.47 52 52 52 156 / reference edge 52 156 / reference edge –70 –6.06 –80 The electrical data applies for 25 °C and AM 1.5 (IEC 60904-3 ed.2 2008).

Designing a Solar Cell Battery Charger - Linear Technology

Figure 1. A solar cell produces current in proportion to the amount of sunlight falling on it, while the cell’s open-circuit voltage remains relatively constant. Maximum power output occurs at the knee of each curve, where the cell transitions from a constant voltage device to a constant current device, as shown by the power curves. below a certain set point, the charge current is reduced. The charging current is adjusted via a control voltage across a current sensing resistor in series with the inductor of the buck regulator charging circuit. Decreased illumination (and/or increased charge current demands) can both cause the input voltage (panel voltage) to fall, pushing the panel away from its point of maximum power output. With the LT3652, when the input voltage falls below a certain set point, as defined by the resistor divider connected between the VIN and VIN_REG pins, the current control voltage is reduced, thus reducing the charging current. This action causes the voltage from the solar panel to increase along its characteristic VI curve until a new peak power operating point is found. If the solar panel is illuminated enough to provide more power than is required by the LT3652 charging circuit, the voltage from the solar panel increases beyond the control range of the voltage regulation loop, the charging current is set to its maximum value and a new operation point is found based entirely on the maximum charging current for the battery’s point in the charge cycle. If the electronic device is operating directly from solar power and the input voltage is above the minimum level of the input voltage regulation...

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