Kramer Electronics VS-121HC - Manual (Page 25)

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Upgrading the VS-121HC Firmware
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7. The Open File window opens. Select the correct HEX file that contains
the upgraded version of the VS-121HC firmware (for example,
PL3_V1p2.hex) and click Open.
8. Open the RS-232 window by pressing 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.
9. Change the COM port settings according to the configuration of your
computer and select the 9600 baud rate:
Figure 15: RS-232 Window
10. Click Connect.
In the Operations Flow column of the Atmel – Flip window, the Run
button is active, and the name of the chip appears as the name of the
third column: AT89C51RD2.
Verify that in the Buffer Information column, the “HEX File: PL3.hex”
appears.
Figure 16: Atmel – Flip Window (Connected)