User's Manual

CHAPTER3
UpgradingtheFirmware
22
Figure 12. Hyperterminal and Com Port Properties Dialogs
5. In the Bitspersecond field, select 115200.
6. Select
OK in the com port’s Properties dialog to close it.
7. Select
OK in the hyperterminal’s Properties dialog to close it.
8. Back in the hyperterminal window, press Enter to continue the
upgrade.
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The current firmware image must be erased for the
upload.
If you continue now, you *MUST* upload a valid
firmware image for an A724_S4!
Continue? [y/n]:
 WARNING When you continue with the upgrade process, any existing firmware
image in the RTU’s flash memory will be erased! You must supply a
valid image for upload or the RTU will have only bootloader
capabilities (that is, it will have no radio capabilities).
9. Enter Y to continue the upgrade.
The bootloader starts sending the letter C (for connect)
Starting flash blankcheck and erase process. . . done
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Start the Y-modem upload now!
Starting CCCCC