Kramer Electronics VP-1201 - Manual (Page 39)

Firmware Upgrading
35
4. Click the button next to the name of the device and select from the list:
AT89C51RD2:
AT89C51RD2
T89C51RD2
Figure 33: Selecting Device from Selection Window
5. Click OK and select “ Load Hex” from the File menu.
A
Figure 34: Loading the Hex