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File Name: a4tech_rfw_33396.zip
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It's an easy keyboard to get used to. I can't say I'm crazy about the big-enter-key, backslash-by-right-shift layout of this 'board, but lots of people don't seem to mind such keyboards; the one in the overlay picture above has the same layout. Control-shift-arrow-key word selection using one hand is more awkward with the shrunken right shift, but it's not a big deal. This keyboard, like a lot of other PC 'boards these days, also has a row of little programmable keys along the top. A4Tech RFW-21

A4Tech R4 Manual (Page 9 of 21)

They don't do much unless you install the included driver software, and they're not terribly useful in a normal desktop computing situation anyway. For couch-based lounge-room computing or business presentation purposes, though, it's nice to have an on-keyboard volume control, and such. There's a Sleep button on the top button row, which activates the standby mode in current Windows flavours, whether or not you've installed the keyboard software. It's not something you're going to want to press in the middle of a A4Tech RFW-21, or if your computer isn't actually able to wake up from standby mode properly, but it's unlikely to be a serious problem. There is, thankfully, no matching Power button.

A4Tech RFW-21 keyboard's two AA alkaline batteries which are included go in the usual little bay on the underside. The 'board's got a couple of ordinary flip-up feet, as well, plus a channel switch; both mouse and keyboard can use one of two channels, and can both use the same A4Tech RFW-21 setting at once without interference. You also get a clip-on wrist rest for the keyboard in the box; it's not attached, in these pictures. It's a cordless all-surface optical unit, and it works in the same way as other modern optical mouses.

A4Tech WOP-35 driver download for Mouse page 1

A red LED lights the surface under the mouse, and a little camera chip takes thousands of pictures of the surface per second, then looks at A4Tech RFW-21 the surface seems to be moving, and translates that into mouse movements. The USB lead isn't for data - plug the mouse into A4Tech RFW-21 computer using the lead and the PC won't register a new device.

All that's connected is the five volt power line from the USB port, and that power's used to charge the mouse's batteries. A4Tech RFW-21 works like a USB phone charger cablein other words. While the mouse is charging, a second red LED under a smoked window in the side lights up.

A4 Tech KBS-835RP wireless mouse and keyboard, and RFW-33 wireless mouse

It pulses while the charge is in progress, and glows steadily when the batteries are full. If you install the supporting driver software - which you don't have to do - you can see how much battery power the mouse thinks it has left in an on-screen display. A4 Tech say it should take two and a half hours for a full charge; partial charges are, of course, faster. You can use the mouse while it's plugged into its charge lead, and the lead's a fairly generous 1. In use, the mouse is quite comfortable - testament to its ripped-off-from-Microsoft shape. It's a plain two-button-plus-clickable-wheel design, and A4Tech RFW-21 as you'd expect; A4 provide driver software that lets you pop stuff up with wheel-clicks, and so on, but you don't have to install it if you don't want to. The mouse's wheel is a little stiff, but you might like it that way.

The buttons feel fine, the overall shape is OK, and despite its batteries it doesn't weigh a ton. Getting rid of that steel ball really helps.


A4Tech RFW-21 It also has pleasingly snappy response. Not as good as the Hz A4Tech RFW-21 rate of most USB mouses, and not improve-able with tweaking software, but still much better than most cordless mouses. Including Logitech and Microsoft's recent cordless efforts, which when I reviewed them managed something like 50Hz and 35Hz, respectively.

Sample rate doesn't affect how far the mouse pointer moves for a given amount of physical mouse movement at a given mouse speed setting. But it does affect the number of times the pointer will be drawn on the screen on the way, and it can make a A4Tech RFW-21 difference to how the mouse feels, in use.

A4Tech RFW specs (Meet Gadget)

Gamers, image editors and plain old serious PC enthusiasts want high mouse sample rates, for smooth aiming, smooth curve drawing, and just plain smoovenessrespectively. For office applications, the difference is much less important, and many people don't perceive much of a difference between a scungy old 33Hz serial mouse and a super-tweaked Hz gamers' special. But those of us who're a tad more perceptive prefer something with a higher sample rate. Unfortunately, though, this mouse doesn't handle fast motion well. It's got an old-style low-sample-rate sensor in it, and it's easy A4Tech RFW-21 make the pointer skip backwards if you move the mouse fast, no matter what surface you're using the mouse on.

This problem's no worse than it was with the first generation all-surface optical mouses from the big brands, though; in normal use you're not likely to have difficulties. If you're a gamer who likes to use a A4Tech RFW-21 mouse speed for precision and as a result whips the mouse around a lot, though, then this one won't suit you, despite its high sample rate.


This mouse also goes A4Tech RFW-21 sleep after two minutes of inactivity, and won't wake up if you move it. You have to press a button. The fancier Microsoft and Logitech cordless optical mouses keep pulsing their illuminator LED when they're in standby mode, and can tell when they've been moved and wake up seamlessly. Doing that at a decently low current draw requires custom hardware, though, and the A4 Tech mouse clearly ain't got it; it's using something pretty close to a plain old corded-mouse A4Tech RFW-21 rig, as far as I can see. So you've got to press a button.

This applies even when the mouse is plugged into its charge lead, and so doesn't need to save power any A4Tech RFW-21. It does it anyway.

So you can plug the A4Tech RFW-21 into a hidden server, if you like, and A4Tech RFW-21 always boot without complaining about a missing mouse or keyboard. Free Download A4Tech RFW Mouse Driver (Keyboard & Mouse). Download A4TECH Keyboard & Mouse drivers, firmware, bios, tools, Oct 29thGMT A4Tech RFW Mouse Driver


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