Kramer Electronics VS-42HC - Manual (Page 30)

Flash Memory Upgrade
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Figure 21: Loading the Hex
6. The Open File window opens. Select the correct HEX file that contains the
updated version of the firmware for VS-42HC (for example 42M_V1p2.hex)
and click Open.
7. Press the keyboard shortcut key F3 (or select the “Communication / RS232”
command from the Settings menu, or press the keys: Alt SCR).
The “RS232” window appears. Change the COM port according to the
configuration of your computer and select the 9600 baud rate:
Figure 22: RS-232 Window
8. Click Connect.
In the “Atmel – Flip” window, in the Operations Flow column, the Run button
is active, and the name of the chip appears as the name of the third column:
AT89C51RD2.