> ## Documentation Index
> Fetch the complete documentation index at: https://docs.duitpos.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Settings

> Configure printers, connections, sync, and device preferences

The **Settings** screen is where you manage everything specific to this device — printers, connections, display preferences, and data sync. Tap **Setting** in the side menu to open it.

## Printers

Configure receipt and kitchen printers, paper sizes, and print templates.

1. Tap **Printers**.
2. Add, edit, or remove printers connected to this device.
3. Assign which printer handles receipts versus kitchen tickets.

See device-specific printer setup for connection details (USB, network, or Bluetooth depending on your hardware).

## Connection & Terminals

Shows this device's WebSocket server info and every connected terminal — POS, KDS, and Kiosk devices.

1. Tap **Connection & Terminals**.
2. View the connection address other devices use to connect to this one (if this is the Master device).
3. See a live list of connected terminals and their status.

See [Master & Slave POS Setup](/pos-app/multi-device/master-and-slave-setup) for connecting additional devices.

## Card Terminal

Select and configure the card payment terminal connected to this device, if your location accepts card payments.

## Customer Display

Launch a second screen showing order details to the customer — useful with a connected monitor or external display facing the guest.

## Support Logs

View and export diagnostic logs. If you're troubleshooting an issue with support, they may ask you to export logs from here and share them.

## Backup & Recovery

Take local backups of your data, and restore from a backup if something goes wrong.

<Warning>
  Restoring a backup replaces the current local data on this device. Only restore if instructed by your manager or support.
</Warning>

## Data Sync — Re-sync Data

<Info>
  **This is one of the most important settings to know.** Anything changed in the cloud dashboard — menu items, prices, taxes, payment types, order modes, printer configuration — does **not** automatically appear on this device right away. You need to **Resync** to pull those changes down.
</Info>

**When to Resync:**

* After adding, editing, or removing a product, category, or modifier in the cloud dashboard
* After changing prices, taxes, or payment types
* After updating printer or order mode configuration
* If something you just changed in the cloud isn't showing up on this device

**How to Resync:**

1. Go to **Setting**.
2. Under **Data Sync**, tap **Resync**.
3. Wait for the sync to complete — this pulls the latest catalog, payment types, taxes, order modes, and setup configuration from the server.

<Tip>
  Resync only pulls catalog/configuration data from the cloud. It does **not** affect tables, active orders, or anything specific to another connected device — those sync automatically in real time instead. See [Master & Slave POS Setup](/pos-app/multi-device/master-and-slave-setup) for how device-to-device sync works.
</Tip>

## Display

* **Fullscreen Mode** — expand the app to fill the entire screen.
* **Language** — set the display language for this device (English, 中文, தமிழ்).
* **Printer Language** — set the language used for printed receipts and tickets, independently of the display language.
* **Navigation Sidebar** — show or hide the settings navigation sidebar.

## Danger Zone — Clear All Data

<Danger>
  **Clear All Data** permanently wipes this device's local data, including cached catalog info and any unsynced local records. This cannot be undone. Only use this if instructed by support — for example, when troubleshooting a corrupted local database.
</Danger>

1. Go to **Setting → Danger Zone**.
2. Tap **Clear Data**.
3. Confirm.

After clearing data, the app will need to fully resync everything from the cloud on next login.