## Keyboard Shortcuts

For convenient control of NSR ECDIS NES-3000 and connection of specialized keyboards, the software provides keyboard shortcuts:

```{table}
| Shortcut | Action | Note |
|------------------|----------|------------|
| {{Key_F1}} | Help | Open help |
| {{Key_F2}} | Settings | Settings |
| {{Key_F4}} | POB (Man Overboard) | Man overboard |
| {{Key_F5}} | Privileges | Obtain elevated privileges |
| {{Key_F8}} | Ahead | Center view on ship position |
| {{Key_Shift}} {{Key_F7}} | Standard Display | Enable standard display |
| {{Key_Ctrl}} {{Key_A}} | Alarm | Acknowledge alarms/warnings |
| {{Key_Ctrl}} {{Key_J}} | Event | Event mark |
| {{Key_Alt}} {{Key_F1}} | Day | Day palette |
| {{Key_Alt}} {{Key_F2}} | Dusk | Dusk palette |
| {{Key_Alt}} {{Key_F3}} | Night | Night palette |
| {{Key_Alt}} {{Key_Q}} | Overlay | Enable/disable radar overlay |
| {{Key_Plus}} | IN (Zoom in) | Increase chart display scale |
| {{Key_Minus}} | OUT (Zoom out) | Decrease chart display scale |
| {{Key_Start}} | Main Menu | Open main menu |
| {{Key_Alt}} {{Key_H}} | Orientation | Change chart orientation |
| {{Key_Alt}} {{Key_G}} | Gain + | Increase video signal gain |
| {{Key_Ctrl}} {{Key_G}} | Gain - | Decrease video signal gain |
| {{Key_Alt}} {{Key_K}} | Clutter + | Increase precipitation clutter suppression |
| {{Key_Ctrl}} {{Key_K}} | Clutter - | Decrease precipitation clutter suppression |
| {{Key_Alt}} {{Key_T}} | Sea + | Increase sea clutter suppression |
| {{Key_Ctrl}} {{Key_T}} | Sea - | Decrease sea clutter suppression |
| {{Key_Alt}} {{Key_Y}} | RC (Rings) | Enable/disable fixed range rings |
| {{Key_Alt}} {{Key_J}} | Target Table | Enable/disable target table |
| {{Key_Shift}} {{Key_F11}} | ARPA on/off | Enable/disable ARPA |
| {{Key_Ctrl}} {{Key_Plus}} | Range Up | Increase radar range scale |
| {{Key_Ctrl}} {{Key_Minus}} | Range Down | Decrease radar range scale |
| {{Key_Ctrl}}{{Key_Alt}}{{Key_G}} | — | Reset graphical interface to factory settings (Reset GUI) |
| {{Key_Alt}} {{Key_Shift}} | — | Switch input language English/national |
| {{Key_Alt}} {{Key_F}} | Fix Scale | Fix ENC scale. Disable automatic loading of charts at other scale levels when the main window scale changes |
```
<!--
| {{Key_Ctrl}}{{Key_Alt}}{{Key_P}} | — | Delete application configuration file (service command) |
| {{Key_Ctrl}}{{Key_Alt}}{{Key_S}} | — | Exit application (service command) | 
-->

```{important}
On different keyboard models, the **Start** button icon ({{Key_Start}} key) may differ depending on the keyboard manufacturer.
```

## Configuring Keyboard Shortcuts

For convenience, the navigator can customize shortcuts to suit personal preferences or disable selected combinations.

| Menu Path |
|-------------|
| {{ menu }} → {{ settings }} → Shortcuts|

![Shortcut settings](images/Shortcuts_1.png)

| № | Element | Description |
|---------|----------|---------------|
| 1 | **Command** | List of actions in ECDIS that can be supported by keyboard shortcuts. |
| 2 | **Shortcut** | Assigned key combination |
| 3 | **Mouse** | Assigned mouse or trackball buttons |
| 4 | **Edit** | Press to edit the selected action |
| 5 | **unused** | Action not assigned |
| 6 | **used** | Names of keys assigned to the action |
| 7 | **Import** | Import shortcut settings from external removable media |
| 8 | **Export** | Export shortcut settings to external removable media |
| 9 | **Restore to factory** | Reset shortcuts to factory settings |

### Change a Shortcut

To change a shortcut or assign a key to an action — press **Edit**.

![Edit shortcut](images/Shortcuts_Edit_1.1.png)

Press the selected keys in the required order, or press a mouse button.

![Key assignment](images/Shortcuts_Edit_2.1.png)

Confirm the selection with the **Apply** button.

The shortcut will be assigned and saved.

To disable a shortcut for the selected action — press **Disable command**.

![Disable shortcut](images/Shortcuts_Edit_3.1.png)

The command will be disabled.

### Export Shortcut Settings

Press **Export**

![Export shortcuts](images/Shortcuts_Export_1.1.png)

Select the external removable media, enter a profile name, and confirm the selection.

The settings file will be exported.

### Import Shortcut Settings

Press **Import**

![Import shortcuts](images/Shortcuts_Import_1.1.png)

Select a profile name on the external media and confirm the selection.

The settings file will be imported.

### Restore Shortcut Factory Settings

Press **Restore to factory**

![Factory restore](images/Shortcuts_Factory_1.1.png)

Confirm the selection.

The shortcut settings will be restored to factory defaults.

```{hint}
The keyboard shortcuts listed in this manual are the factory defaults.
```