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A4 Tech Anti-RSI Deskset

A4 Tech Anti-RSI Deskset Article Author : Becky
Date : 29th Jun 2005
Comments : 2

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Introduction

With more and more people using their computers for long periods of time, it has become necessary for companies designing input devices to approach the issue of repetitive strain injury (RSI). A4 Tech has recently designed a wireless keyboard and mouse with many features intended to help prevent the onset of RSI. The keyboard features a number of pre-set multimedia keys for use with applications such as Microsoft Office, Windows Media Player and Internet Explorer. The optical mouse also has a number of attributes, including a new-design scroll wheel and various programmable buttons. The set uses RF wireless technology with ranges up to 2 metres and no angle restriction. There are 255 IDís, which allow a number of units to operate in close proximity to each other without causing interference.


Both the keyboard and mouse are silver with dark grey features, and are pleasing to the eye. The mouse is nicely weighted, which makes for easier control and has a robust feel. The keyboard feels solid and quite heavy, which again gives it a real feel of sturdiness. The keys of the keyboard respond to a very light touch, and are relatively quiet whilst typing.

Features

A-Shape Key Layout: This is a great feature, that means your hands can sit on the keyboard more comfortably during use. Rather than having to bend your hands at the wrists in order to type, the angle of the keys is in line with the natural angle of your forearms.
  • Ergonomic Mouse Shape: This allows your thumb to rest whilst using the mouse, and also feels more comfortable to use in general.
  • Wrist Rest: When hands are constantly being bent back slightly at the wrists while typing, RSI can arise. The keyboard features a wrist rest to lift the wrists, and thus help with this problem.
  • Short-Cut Keys: Excessive use of the mouse can cause RSI related problems in your mouse-hand. The short-cut keys mean that the mouse can be used less, and thus avoid straining one hand.
  • U-Shape Mouse Wheel: The new-shape mouse-wheel feels snug, and lends to the ergonomics.
A new feature of this kit is a separate charger for the batteries, which doubles as the receiver. This is a very useful addition, as it means when your mouse batteries run out you can change them for some ready-charged ones immediately. This charger/receiver plugs into the USB port for power and data transmission.

Performance

The A4 Tech keyboard and mouse set was nicely presented and was very easy to install. The overall first impression you get is positive, and it certainly looks nice when set up.

However, a problem was initially encountered with the mouse: From time to time it stopped responding whilst being used - for no apparent reason - which was very annoying and inconvenient. This problem seemed to go away of itís own accord after a few weeks, but the possibility of it coming back is as yet unknown. A further issue is that from time to time the pointer starts to move slowly across the screen without any physical input (which can occur with some optical mice).

A fundamental yet easily rectifiable problem is the fact that the keyboard misses lights. This poses an annoying hindrance when, for example, typing a caps lock-sensitive password. It is understandable that the manufacturer may wish to avoid drains on the battery life, but keyboard lights are considered to be an essential feature of any keyboard, making their absence all the more noticeable. However, it is worth noting that the keyboard seems to use very little power, allowing regular AA batteries to last over a month under heavy use.

The addition of a battery charger being built into the receiver was a particularly welcome one, especially seeing as the mouse batteries only seemed to last for a few days under heavy use. The procedure of changing over the batteries was very straightforward, as they can be swapped with the one which had been charging in the receiver. There was a definite drop in mouse performance when the batteries were running low on power, but this was compensated by the ease and speed at which the batteries could be changed.




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