The USB device does not appear
Check the power supply, the data cable and the USB driver. If the driver creates a virtual COM port, check it in Device Manager.
Connection interfaces, device preparation, and configuration in FiscalNET.

The Adpos datasheet describes USB/RS-232 for PC and Ethernet for ANAF. Wi-Fi/Bluetooth/GPRS variants are also available; FiscalNET network communication is established for the installed configuration.
Check the Tremol M20 label, the distributor and the firmware. For the Tremol family, trade names and regional configurations may differ.
The Adpos M20 datasheet confirms mini USB with a virtual COM port and RS-232 for PC. Use the cable for the computer port.
For USB, check the COM port in Windows and install the compatible Tremol driver, if necessary. Confirm the components required by the FiscalNET version separately.
Confirm the operating mode, COM port and speed for the installed firmware, then configure the corresponding Tremol profile. Settings for third-party applications are not copied automatically.
Close the other utilities that use the device and read the status from the FiscalNET configuration. Check the result before starting the sale.
The screenshots show the application menus, not a connection tested with every model. Use your device’s parameters; on Android, confirm the supported profile and interface for the installed model.
Open Fiscal Equipment → Cash Registers and tap + Add. Select Manual to complete the device profile and parameters. If the device already exists in the list, open its configuration.
Enlarge image Choose the profile that matches the model. For USB, select the device or the virtual COM port created by the driver; enter the speed only when the profile requires it. For RS-232, enter the COM port and the device speed. The values shown in the screenshot are examples.
Enlarge image Use Test Connection and check the device’s identification and status. Save the configuration after a correct response.
If the device is not respondingIn FiscalNET, open Case de marcat and tap +.
Enlarge image Select Manual to complete the profile and parameters. The test AMEF is a virtual device.
Enlarge image Select the supported profile for the model and open the connection field.
Enlarge image Select the interface supported by the profile and enter the device parameters. For USB, select the device detected on Android.
Enlarge image Use Test Connection and check the device’s identification and status. Save the configuration after a correct response.
If the device is not respondingDo you use FiscalNET V2? View the V2 configuration with images
Check the power supply, the data cable and the USB driver. If the driver creates a virtual COM port, check it in Device Manager.
Check the operating mode and the device profile. For USB, check the device or the virtual port assigned by the driver. For RS-232, compare the COM port and the baud rate.
Close the other programs that are using the device. After an interruption, check the status of the receipt before resending.
Send the device model, the connection used, the FiscalNET version, and the error message.
Download FiscalNet and configure your equipment.