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View Operation :

1. Mouse Left down, drag a frame ---> Zoom In
| Operation | Function | Main Window | Sub Window |
| Mouse Left down, drag a frame | Zoom In | V | V |
| Mouse Right Down, Hold and move | Move View Center | V | V |
| Mouse Wheel Up/Down | Zoom In/Out In Cursor Position | V | X |
| Mouse Right Down, Drag and Quickly Up | Velocity-Moving | V | X |
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Load Gerber 274X :

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Load Excellon NC File :

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Load ODB++ :
