# Environment Settings Dialog Box

Configure the rendering mode and the viewer.

To open the Environment Settings dialog box, select Edit from the main menu and then select Environment Settings.

1. Rendering Mode

   Note: DirectX mode is recommended.

2. Running the Viewer

   Determines the destination of the viewer's output.

   - Run on IS-NITRO-EMULATOR

     Starts the viewer on the connected IS-NITRO-EMULATOR.

   - Run on IS-TWL-DEBUGGER hardware

     Starts the viewer on the connected IS-TWL-DEBUGGER hardware.

   - Run on PC

     Starts the viewer on the PC you are using.

CONFIDENTIAL