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Firmware Upgrades
From time-to-time, Key Digital provides updates for the firmware that operates and controls your
KD-HDRV unit. These updates are optional, and you should only perform upgrades as provided
and instructed by Key Digital. Periodically check out web site at www.keydigital.com for the latest
firmware updates for your unit.
Firmware Upgrade Procedure
1.
Make sure you have the required equipment for upgrading your KD-HDRV device:
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a. PC with a serial port capable of 57600 Baud Rate
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b. Straight male-female DB9 serial cable no longer that 10 ft.
Note: Null modem cable is NOT supported.
2.
Download desired firmware from www.keydigital.com. Unzip the firmware ZIP file to any
directory on your PC.
3.
Make sure that no devices are using the Serial COM port on your PC.
4.
Disconnect Power from the KD-HDRV unit.
5.
Set the rear panel Operation switch to “Program”.
6.
Connect an RS-232 cable to the serial port on your PC and the other end to the RS-232 port
on the rear panel of the KD-HDRV unit.
7.
Double-click the “UartBootLoader.exe” file. The Key Digital BootLoader window will pop up.
8.
Reconnect Power to the KD-HDRV unit.
9.
Select the correct port used for your computer’s RS-232 connection.
10.
Push “Open File” button and select firmware file (file extension .hex)
11.
Press “Start” button
12.
When the firmware had been updated, disconnect the power supply from your KD-HDRV unit.
The power supply MUST be disconnected (either from the back of your unit or from the wall
outlet) to have a complete power shutdown reset.
13.
Disconnect the RS-232 cable between the unit and your PC.
14.
With the power disconnected, set the rear-panel Operation switch to “Normal” mode.
15.
Reconnect the power supply to your KD-HDRV unit. The firmware upgrade is now complete
and your KD-HDRV unit is now ready for operation.
