You can use Logitech Gaming Software (LGS) 8.82 and later to assign G-key commands to the function keys on the G610 gaming keyboard.

• Default function key layout
• Customize function keys
• Game-specific profile commands 
• Command Editor
• Reset function keys

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Default function key layout
The default function key layout for the G610 utilizes the standard F1-F12 layout found in most keyboards.

NOTE: Pressing function keys will render system default functions until you begin customization.
 

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Customize function keys

1. Make sure that the gaming keyboard is connected to your computer, and then launch LGS.
2. On the bottom of the Home window, click on the icon for your gaming keyboard.
3. Open the Customize Function Keys window.
4. Click on the profile for the function keys you want to customize.
5. Assign a command to a function key, do one of the following:
   • Double-click on the listed function key command assignment, or the function key itself to begin assigning a new command. 
   • Drag and drop an existing command from the Commands list on the left of the LGS window onto a function key. When you drag a command over a function key, the function key area will become highlighted.
6. You can also right-click on a function key or its assignment for additional options:

   

   NOTE: Gray-colored text menu items are not accessible. 
   • Assign New Command — clicking on this option opens the Command Editor window. 
   • Edit Command — clicking on this option opens the Command Editor window. 
   • Use Generic — clicking on this option reverts the selected function key assignment to its generic function. 
   • Unassign — clicking on this option removes all command assignments from the selected function key.

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Game-specific profile commands
LGS can be used to create new or import LGS preset game profiles for compatible Logitech gaming keyboards. These profiles allow you to create customized function key configurations for compatible games on your PC.

Once a game-specific profile selected in LGS, you can drag and drop standard, custom, or LGS preset game-specific commands from the Commands list onto the gaming keyboard’s function keys (where applicable). 
 

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Command Editor
You can use the Command Editor to customize function key command assignments on your gaming keyboard. 

1. Double-click on either an unassigned or assigned function key to open the Command Editor. 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 function key is pressed (either with or without Unicode support).
   • Mouse Function — assign a function key to use any of the available mouse function key functions.
   • Media — set a function key to control media playback or volume functions.
   • Hotkeys — use a predefined keystroke command.
   • Shortcut — assign a function key to launch a file, folder, drive on your PC.
   • Function — assign a function key to act like a Microsoft function key (ex. to open your web browser)
   • Ventrilo — assign a function key to have a function in Ventrilo, if Ventrilo is installed on your PC.
2. Click OK to assign the desired command to the function key. The command’s name will be visible over that function key in the Customize Function Keys window.

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Reset function keys

To reset a single function key command assignment:

1. From the Customize function keys window, navigate to the Profiles area at the top-right corner.
2. Click on the profile for the function key you wish to reset.
3. Right-click on the function key and select one of the following options from the pop-up menu that appears: 
   • Use Generic — click to revert the selected function key assignment to its generic function 
   • Unassign — click to remove all assignments from the selected function key 
     NOTE: You can also remove all assignments by dragging the current command from the function key to the trash icon (located at the bottom-right corner of the Commands list).

To reset all function key command assignments:

1. From the Profiles area at the top-right corner of the LGS window, navigate to the profile for which you wish to reset all function key assignments.
2. Right-click on the profile and click All G-keys from the pop-up menu that appears.
3. Select one of the following options from the next pop-up menu that appears: 

   

   NOTE: Gray-colored text menu items are not accessible. 
   • Use Generic — click to revert the command assignments for all function keys to their generic functions 
   • Unassign — click to remove all command assignments from all function keys