# Preview Environment

You can check your content created using TWL ManualEditor on your computer or on IS-NITRO-EMULATOR and IS-TWL-DEBUGGER hardware.

The preview target can be changed using the Environment Settings dialog box.

Note: To preview content using IS-NITRO-EMULATOR or the IS-TWL-DEBUGGER hardware, make sure the hardware is properly connected to the computer.

- TWL Manual Viewer

  Previewing allows you to check the content and appearance of e-manuals (instruction manuals) created for Nintendo DSiWare titles. The TWL Manual Viewer tool is used to preview this data.

- Previewing Manuals Stored in Binary Format

  You can load and preview the content of manuals that have been saved as binary files.

- Preview on PC

  Preview content on the computer you are using.

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