Instruction manual
65 
Flashing Software 
The bPro Operating System Software is retained in Flash EEPROM's on the Main 
Logic PCB. The EPROM's can be reprogrammed using a PC and a downloader 
program Hyper terminal. Cables and components are the same as above RS232 
cable. 
Before downloading the software, turn the bPro power OFF. Connect one end of 
the cable to the PC's serial port and the other end to the bPro serial port. 
Press the  【PRINT】key as power on the scale. 
The scale will display “WAIT FOR HOST……” to wati for PC signal. 
Then enter the Hyper terminal, to select right COMM port of the computer. 
Then set the data as “baud tare 115200, data bits 8, parity none, stop bits 
1,flow control none” 
After come back main interface of the Hyper terminal, to select “ send file” ,select 
the scale code and the protocol as “1K Xmodem”. Send the file to scale. 
The PC screen will display a status menu to show the flashing progress. When 
the flashing is completed, the scale will reset automatically. Press any key to exit 
Hyper terminal program at the PC. 
Also you can use a kit made of Mettler-Toledo which can update the firmware 
via Ethernet. First connect the Ethernet cable from scale’s RJ45 to computer. 
If you use Ethernet to update, hold the [00] key to power on scale, before it you 
should set the scale’s IP address. 
Also you should make some setting in PC kit, that will be introduced in software. 










