Can the advance payment be settled on a different cash desk than it was accepted? How to configure the device for communication with CRK via GSM modem? How to configure the device to communicate with CRK via Ethernet? Until when will it be possible to exchange fiscal memories in devices with electronic copy? If the cash register communicates with CRK via Ethernet or WiFi, is it possible to use the same connection to communicate with the cash register from the computer (sales system)?