## Multifunction Window

Select the mode by pressing the indicator button **below the window**; by default, the overview chart is displayed in the window.

### Available Display Modes

- **Overview/Lens**
- **Echo**
- **ARPA**
- **AIS**
- **Route**
- **Anemometer**
- **DSC**

### Overview Chart
#### Overview Chart Window Settings

- Chart orientation — north up
- Chart center coincides with the main chart display center
- Display scale is 1.5 times smaller than the compilation scale denominator of the selected chart

The mode is used to display an overview chart or the largest scale chart regardless of the display scale in the main window.

![Overview chart example](images/Overview.png)

| № | Element | Description |
|---|---------|----------|
| 1 | **Current scale indicator** | Displays the overview chart scale |
| 2 | **Current mode indicator** | Current multifunction window mode indicator and button for sequential mode switching |
| 3 | **Ship position centering button** | Off: ship position is at an arbitrary, user-defined location. Chart orientation — *North Up* |
| 4 | **Ship position centering button** | On: ship position is in the lower part of the screen, centered. Chart orientation — *Course Up* |
| 5 | **Own ship symbol** | Ship icon on the chart |
| 6 | **North direction indicator** | Arrow with "N" designation |
| 7 | **Scale change buttons** | Zoom in (+) and zoom out (-) buttons |
| 8 | **Main window overview boundary** | Rectangular frame showing the main window's field of view, displayed considering the ENC orientation |
| 9 | **Scale bar** | Displayed in ENC scale. If the scale is too small, the bar may not be displayed |

### Lens

The mode is designed to display a detailed chart in the vicinity of the ship regardless of the main window settings. If larger scale charts are available under the ship's position, the larger scale charts are displayed.

![Lens example with ship lock](images/Over_Lens.png)

Switch to the mode by selecting the cursor mode: ![](images/Cursor_Lens.png)

#### Chart Settings (Lens Ship)

- Chart orientation — by ship's heading
- Chart center is locked to the current cursor position in the main chart display
- Display scale — 1.5 times smaller than the compilation scale denominator of the viewed ENCs

### Lens with Fixed Cursor Lock (Lens Cursor)

The mode is designed for viewing a detailed chart or a larger scale chart under the cursor position and its vicinity regardless of the main window settings.

Cursor in *Lens* mode:

Return to the original position (to own ship) is performed by pressing the {{ btn_center_ship }} **center chart on ship position** button.
