## Settings Structure

In the {doc}`Settings </sections/system-settings/index>` section, configuration of all ECDIS operating parameters is available. The settings structure is organized as a hierarchical menu with eleven main categories:

{{menu}} → {{settings}}

```
   Settings
   ├── ENC
   │   ├── Portrayal
   │   ├── Navigational settings
   │   ├── Chart objects
   │   └── Certificates/Permits
   ├── Targets
   │   ├── Portrayal
   │   ├── Settings
   │   ├── CPA/TCPA
   │   └── AIS
   │       ├── Filtration and activation
   │       └── Ownship
   ├── Grounding Check
   │   ├── Settings
   │   └── Alert Filter
   ├── Alerts
   │   └── Route
   ├── AIS Messages
   │   ├── Messages List
   │   └── Send message
   ├── NAVTEX
   │   └── Filtering
   ├── Tools
   │   └── Geocalculator
   ├── Echo
   │   └── Settings
   ├── Ownship
   │   ├── DR/manual input
   │   ├── Dimensions
   │   ├── Registration
   │   └── Trip distance
   └── System
       ├── Interface
       ├── Shortcuts
       ├── Backup
       ├── Remote assistant
       ├── Media devices
       ├── Settings management
       ├── Units
       ├── System information
       ├── System Log
       ├── Software licenses
       ├── Sensors
       ├── Workstations
       ├── Radar
       └── Network
           ├── Connection permission
           ├── Network connections
           └── Network devices
```

### Main Settings Categories

#### ENC (Electronic Navigational Charts)

- **Portrayal** — ENC display style configuration
- **Navigational Settings** — navigational information display parameters
- **Chart Objects** — control of electronic chart object display
- **Certificates/Permits** — management of X.509 digital root certificates and ENC licenses

#### TARGETS

- **Portrayal** — target display configuration (ship and target vectors, track parameters, time marks on tracks, track clearing)
- **Settings** — AIS targets, ARPA targets, aids to navigation, guard zone radius, target loss alarm criteria display
- **CPA/TCPA** — monitoring criteria for Closest Point of Approach and Time to CPA
- **AIS** — Automatic Identification System
  - **Filtration and activation** — target auto-activation, sleeping target indication settings, ASM (Application Specific Messages) display configuration, AtoN
  - **Ownship** — view data transmitted by **AIS**, own ship registration data, synchronization of operational information with onboard **AIS**

#### GROUNDING CHECK

- **Settings** — navigational safety zone and monitoring sector configuration
- **Alert Filter** — alarm and warning criteria settings

#### ALERTS

- **Route** — route warnings: time to XTD limit, time to course change

#### AIS MESSAGES

- **Messages List** — view and manage messages received from **AIS**
- **Send message** — send **AIS** messages

#### NAVTEX

- **Filtering** — **NAVTEX** message filtering settings

#### TOOLS

- **Geocalculator** — tool for solving direct and inverse geodetic problems on a plane and on a sphere

#### ECHO

- **Settings** — echo sounder operating parameters and echo sounder warning configuration

#### OWNSHIP

- **DR/manual input** — simple or composite dead reckoning data entry, manual input of navigational parameters
- **Dimensions** — water level accounting, ship dimensions and draft, current draft, barge-tow configuration
- **Registration** — ship registration data, navigational status and ship type changes
- **Trip distance** — ship's distance traveled accounting

#### SYSTEM

- **Interface** — user interface settings
- **Shortcuts** — keyboard and pointing device shortcut configuration
- **Backup** — backup management
- **Remote assistant** — remote connection to ECDIS
- **Media devices** — removable (external) USB drive management
- **Settings management** — create/import/export/delete settings, restore factory settings
- **Units** — select measurement units, set time zone, configure time synchronization criteria
- **System information** — system information, User Permit, service mode, check for updates, change system password
- **System Log** — collect current ECDIS status information, track errors, export system log to external media
- **Software licenses** — display licenses for software components used
- **Sensors** — navigational sensor connection settings
- **Workstations** — workstation configuration (when configuring operation as part of an integrated bridge)
- **Radar** — connection and configuration of the navigational radar
- **Network** — network parameters
  - Connection permission
  - Network connections
  - Network devices
