NOTE: For help choosing between the two modes, see Choose between gaming mouse On-Board Memory and Automatic Game Detection modes. LGS does not detect to the G603 gaming mouse while connected to a computer in Bluetooth mode. Left and right mouse button commands can only be swapped.
Automatic Game Detection
- Open LGS.
- In the Home window, make sure the blue toggle marker is set to Automatic Game Detection, and then click the glowing Customize buttons icon.

- Click on the profile you want to customize command assignments for. The active profile will have a blue highlight bar above its name.

- To assign a command to a mouse button, do one of the following:
- Double-click on the listed assignment to begin assigning a new command.
- Drag and drop an existing command from the Commands list in the left pane onto a mouse button. When you drag a command over the button, the area will become highlighted.
- You can also right-click on a button or its assignment for additional options:

- Assign New Command — click to open the Command Editor window.
- Edit Command — click to open the Command Editor window.
- Use Generic — click to revert the command assignment to its original state.
- Unassign — click to remove all command assignments from the selected mouse button.
On-Board Memory
- Open LGS.
- In the Home window, make sure the blue toggle marker is set to On-Board Memory, and then click the Customize on-board profile icon.

- To assign a command to a mouse button, double-click on the listed assignment or right click on any mouse button for additional options:
- Assign New Command — click to open the Command Editor window.
- Edit Command — click to open the Command Editor window.
- Use Generic — click to revert the command assignment to its original state.
- Unassign — click to remove all command assignments from the selected mouse button.
- You can create or edit a command using the following customization options:
- Keystroke — assign a single key press or a key press with modifiers.
- Multi Key — assign a "macro'd" series of keystrokes (either with or without recorded time delays).
- Text Block — create a block of text to be typed out when the mouse button is pressed.
- Mouse Function — assign a mouse button to use any of the available mouse functions.
- Media — set a mouse button to control media playback or volume.
- Hotkeys — use a predefined keystroke command.
- Shortcut — assign a mouse button to launch a file, folder, drive, or Web page on your computer.
- Function — assign a mouse button to act like a Microsoft function key (ex. to open your web browser).
- Ventrilo — assign a mouse button for Ventrilo commands, if installed on your computer.
- Click OK to assign the desired command to the mouse button.
Important Notice: The Firmware Update Tool is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Preference Manager is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Control Center is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Logitech Connection Utility is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The Unifying Software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Important Notice: The SetPoint software is no longer supported or maintained by Logitech. We highly recommend using Logi Options+ for your supported Logitech devices. We are here to assist you during this transition.
Frequently Asked Questions
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