| Turn frames in the reverse direction |  | |
| Go to the next frame | Click on the right edge of the content display when the image above is  Click on the left edge of the content display when the image above is  | →: when the image above is  ←: when the image above is  |
| Go to the previous frame | Click on the left edge of the content display when the image above is  Click on the right edge of the content display when the image above is  | ←: when the image above is  →: when the image above is  |
| Go to the first frame | Click , then . | Home |
| Go to the last frame | Click , then . | End |
| Move to a specific frame | Choose a frame number from the [Frame Number] List | |
| Zoom in | Move the mouse wheel up
 | + |
| Zoom out | Move the mouse wheel down
 | - |
| Move the image | Click and drag the image. | |
| Full Screen View |  | F |
| Full Screen View OFF | [Full Screen OFF] button | F |
| Fit image to window |  | G |
| Fit image to the width |  | H |
| Rotate counterclockwise by 90° |  | J |
| Rotate clockwise by 90° |  | K |
| Show the thumbnails |  | T |
| Show a composite image synthesized from multiple images. |  *This function is only available for certain materials included in the Rare Books and Old Materials Collection. | |
| Adjust image quality |  *This function modifies the image displayed in the content viewer only. To modify the printed image, you must make changes in the Print Modification window. | |
| Display metadata, TOC, bibliography, or reproduction data. |  | |
| Close metadata, TOC, bibliography, or reproduction data. |  | |
| Print/Save |  | *P |
| Obtain images in JPEG format | Click and select a magnification. | |
| Download all images. |  *You can use this function only when the metadata field “Access Restrictions” of the material shows “インターネット公開(保護期間満了)” that means “Available Online (Protection Period Expired)” | |
| Display the URL of the current image. | [URL] button | *U |
| Play |  | P |
| Pause |  | P |
| Stop |  | S |
| Frame advance |  | Ctrl+→:Frame advance Ctrl+←:Frame back |
| Resize the viewer size to 4:3 |  | W |
| Resize the viewer size to 16:9 |  | W |
| Jump to a specific point |  *If you use a browser or player that supports HLS (HTTP Live Streaming), you can drag the Seek Bar. | SHIFT+→: +10seconds SHIFT+←: -10seconds |
| Mute |  | M |
| Unmute sound. |  | M |
| Adjust the volume |  | ↑↓ |
| Change the playback speed |  | U:+25% D:-25% |