Step 1
Tremol M20 PC Connection Setting
- Turn on the cash register with the buttonON/OFF
- Press the buttonMODE up to the menuPROGRAMand type 33333
- The following appears on the screen Program 0-9
- At the option 0 Parameters pressTOTAL
- The following appears on the screen Param (0)
- Type 12 TOTALand the following will appear on the screen12 Com. PC 0
- Press TOTALuntil it appears12 Com. PC 1
- Exit using the button MODE up to the main menu
Step 2
Installation of the Tremol M20 USB driver
- Connect the USB cable to the computer and the cash register
- Install the USB driver appropriate for your operating system, provided by the device distributor. Check and Tremol M20 datasheet.
- Open Device Manager (Control Panel -> Hardware and Sound -> Device Manager)
- At Ports (COM & LPT) The installed USB driver appears with the associated COM Port number

Step 3
Enter PC connection mode Tremol M20
- Turn on the cash register with the buttonON/OFF
- Press the buttonMODE up to the menuREG OPER
- Type0 TOTAL and the following will appear on the screen0.00
Step 4
Configuring the Tremol M20 cash register in the FiscalNet driver
- Install FiscalNET from official download page.
- Start the driver and access the menu Configuration
- At Driver type select Tremol
- At Port Serial Select the COM Port number associated with the cash register in Device Manager
- At Port Speed select 115200 (default communication speed)
- Press Save and test