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Logitech G603 Lightspeed Wireless Gaming Mouse Review (Page 4)

By: Chad Sebring from Mar 20, 2019 @ 22:00 CDT
TweakTown Rating: 97%Manufacturer: Logitech

Inside the G603


To remove the top of the mouse, all you need to do is get a finger or nail under the front of the main buttons and lift. The pair of magnets holding it in place are to that strong to cause issue, but strong enough the top will not fall off. The body of the mouse has a pair of locations where you are to install the pair of AA batteries.


Following the stickers inside of the battery compartment, we installed both batteries into the G603. Notice that the positive ends are both closest to the heel of the mouse. The G603 will function on a single battery, but we would imagine the specified run times would also be cut in half.


A pair of skinny, but long feet are found to wrap around the front and the back of the mouse. Just under the name of the mouse, a bit forward of center is the eye of the mouse. On the left of the eye is the power switch where you can select to use the G603 in LO or HI modes, and you can also turn it off. If you wish to use the Bluetooth option for multiple device control with a single mouse, pressing the button on the right the LED will glow white for wireless and blue for Bluetooth.


Removing four screws, releasing a t-pin power and ribbon data cable, allows us to look inside. While the majority of the functionality and communication is dome in the lower half of the mouse, the data cable on top is because the main switches are built into that half.


The main buttons are backed with Omron switches. We see the D2FC-7N(20M) switches used, which are not light switches to use, the report is loud, and they are good for up to twenty-million clicks each.


The Scroll wheel is supported in a Kailh rotary switch, but we took this picture to show that with all the black plastic used, and lack of a visible LED, that this does not light up like many gaming mice offer.


It is a bit of a surprise to see another Omron switch used under the DPI button, but here it is. This is not any special switch though; it is a standard white Omron switch with a five-million click lifespan. On the PCB below the switch, we also see the surface mounted LED to display colors associated with DPI selections.


Due to the specifications of what the Logitech HERO sensor offers, it is similar to what we would get from a PixArt PMW33XX, with a few obvious differences. The IC is much thinner than any other we have seen, it draws a tenth the power others do, and the HERO was built to work with all other components inside of the G603, not adapted to fit.


Assuming a lot in this image, this is the MCU. We can only guess it is built by NXP as many are, but explained in the specifications, this is a 32-bit ARM processor. Again, this is the thinnest we have seen, and we also have to assume it sips little power as well.


When in use, there is nothing on the G603 that is illuminated. To get the DPI indicator to show us the blue color, we had to press the DPI selector button and quickly take a picture. The light is on for roughly five seconds before turning itself off.

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Logitech G603 LIGHTSPEED Wireless Gaming Mouse

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