You can use Logitech Gaming software (LGS) version 8.74.80 and later to assign commands to the G-keys on the G633 and G933 gaming headsets. 

NOTE: Make sure you're using the latest version of LGS before you connect your gaming headset to the PC. You can download the latest version of LGS from your gaming headset's support Download page.

• Default G-key layouts
• Customize G-keys
• Game-specific profile commands 
• Command Editor
• Reset G-keys

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Default G-key layouts
The G633 and G933 gaming headsets share the same default G-key layouts. The default G-key layout for the G633 gaming headset is shown below:

• G3 (Cycle EQ) — cycles the equalizer audio profiles on the gaming headset
• G2 (Surround sound on/off) — enables/disables surround sound mode on the gaming headset
• G1 (Cycle Effect) — cycles the lighting effects on the gaming headset

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Customizing G-keys

1. Make sure that the gaming headset is connected to your PC, and then launch LGS.
2. On the LGS Home screen, navigate to the device selector at the bottom of the LGS window and click on the icon for your gaming headset.
3. Open the Customize G-keys window.

   

4. Click on profile for the G-keys you want to customize.
5. To assign a command to a G-key, do one of the following:
   • Double-click on the listed G-key command assignment, or on the G-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 G-key. When you drag a command over a G-key, the G-key area will become highlighted.
6. You can also right-click on a G-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 G-key assignment to its generic function
   • Unassign — clicking on this option removes all command assignments from the selected G-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 headsets. These profiles allow you to create customized G-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-specifc commands from the Commands list onto the gaming headset’s G-keys (where applicable).
 

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Command Editor
You can use the Command Editor to customize G-key command assignments on your gaming headset. Here's how:

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

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Reset G-keys

To reset a single G-key command assignment:

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

To reset all G-key command assignments:

1. From the Profiles area at the top-right corner of the LGS window, click on the profile for which you want to reset all G-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 — clicking on this option reverts the command assignments for all G-keys to their generic functions
   • Unassign — clicking on this option removes all command assignments from all G-keys