Castles Saturn S1MINI2 quick start guide

Follow our step-by-step user guide to get your Mini up and running, explore important functions and start taking payments in less than 5 minutes. 

A digital payment terminal displaying a pizza image with a contactless payment symbol and the amount £13.99, set against a purple abstract background.

    Let’s get you up and running so you can focus on your business.

    Getting started

    First up, check you have the following items included with your terminal: 

  • Castles S1MINI2 terminal with battery
  • USB charging cable and power adapter

  • You're now ready to set up and power on your new POS device.

    Charging your Mini

    Step 1: Connect the USB charging cable to the charging port on the terminal.

    Step 2: Connect the power adapter to a mains power outlet.

    Step 3: Allow the terminal to charge before first use.

    Step 4: Press and hold the power button until the terminal powers on.

    Step 5: Once powered on, ensure the battery icon indicates the terminal is charging.

    How to connect to your Wi-Fi

    Step 1: Press the back arrow on the screen to exit to the main menu.

    Step 2: Select the 'MENU' icon

    Step 3: Select the 'Wi-Fi SETTING' icon

    Step 4: Select your Wi-Fi network from the available list.

    Step 5: Enter your Wi-Fi password and select Connect. Note: Passwords are case-sensitive.

    Step 6: Select the back button twice to return to the main menu.

    Step 7: Open the Castles Payment App

    Step 8: Select the back button in the top-left corner.

    Step 9: Select Others, then More Txn.

    Step 10: Select Logon.

    Step 11: Select All from the available logon options.

    Step 12: Perform a test transaction to confirm the terminal is connected successfully.

    Following a Wi-Fi change, always perform a Logon before taking payments.

    End of Day

    Total agreed - The value of transactions successfully authorised and received by Worldpay. These transactions will be included in settlement.

    Total disagreed - The value of transactions where the terminal and host do not agree on the transaction status. This is usually caused by a communication interruption during processing. If a value is shown, perform the End of Day process again. If the issue remains, contact support.

    Unconfirmed - The value of transactions that could not be confirmed due to a communication issue between the terminal and the host. Check the terminal's network connection and perform the End of Day process again.

    Supporting information

    Password: 0000

    Referral: 00000

    Debug: For support use only. Do not use unless instructed by the Helpdesk.

    Volume: Allows the terminal volume to be increased or decreased.

    Will the terminal work with no till roll? – No. A till roll must be installed for the terminal to operate correctly.

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