# Set up automatic change calculation for Roc Terminal+ on a device

Roc Terminal+ web portal

You can use the Roc Terminal+ web portal to configure a device to calculate change automatically when you run a cash sale.

> **Note:** For devices that run on V1.0.14RT or later, the receipt displays the cash amount that the customer paid and change due.

1. Log in to [https://terminalplus.rocpos.com/login](https://terminalplus.rocpos.com/login) .
2. On the side menu, select **Device Management**.
3. In the search box, enter the endpoint identifier (EPI), doing business as (DBA) name, serial number, or type of the device.
4. From the Current Version column, confirm that the application version runs on V1.0.8RT or later.
5. Select the EPI of the device.
6. Select **EDIT PARAMETERS** > **Terminal & Transaction** > **Transaction**.
7. Enable **Change Management on Cash Transactions**.
8. Select **POS MENU CONFIG** , and then select **CASH**.
9. Confirm that **SALE** is selected. **Note:** We recommend that you disable **REFUND** to prevent risk of chargeback.
10. Select **SAVE**.

If you configure the change management setting, you must download the updates to your device.For more information about how to download updates, go to one of the following articles:

- If you are using a physical payment device, for example, Newland N950, N950S, or X800, go to one of the following articles:
   - If your payment device has a single-MID configuration, go to [Download a parameter update to a device](https://support.payroc.com/en-US/core-products/roc-terminal-plus/devices/newland-n950/download-a-parameter-update-to-a-device.md).
   - If your payment device has a multi-MID configuration, go to [Download a parameter update to a multi-MID device](https://support.payroc.com/en-US/core-products/roc-terminal-plus/devices/newland-n950/download-a-parameter-update-to-a-multi-mid-device.md).
- If you are using the Roc Terminal+ mobile app on your phone or tablet, go to [Download a parameter update to the Roc Terminal+ mobile app](https://support.payroc.com/en-US/core-products/roc-terminal-plus/mobile-app/download-a-parameter-update-to-the-roc-terminal-mobile-app.md).

## Related articles

- [Set up tips for Roc Terminal+ on a device](https://support.payroc.com/en-US/core-products/roc-terminal-plus/web-portal-device-configuration/set-up-tips-for-your-device.md)
- [Download a parameter update to the Roc Terminal+ mobile app](https://support.payroc.com/en-US/core-products/roc-terminal-plus/mobile-app/download-a-parameter-update-to-the-roc-terminal-mobile-app.md)
- [Configure your batch settings on Roc Terminal+](https://support.payroc.com/en-US/core-products/roc-terminal-plus/web-portal-device-configuration/configure-your-batch-settings.md)
- [Configure custom fields for transactions with Roc Terminal+ on a device](https://support.payroc.com/en-US/core-products/roc-terminal-plus/web-portal-device-configuration/add-custom-fields-to-your-transactions.md)

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From [Payroc Support](https://support.payroc.com/en-US/core-products/roc-terminal-plus/web-portal-device-configuration/set-up-automatic-change-calculation-for-cash-sales). Every page is listed in [llms.txt](https://support.payroc.com/llms.txt).