Keystroke Recorders for USB keyboards ("KeyCarbon USB")
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The KeyCarbon USB device records all typing on a USB keyboard. 
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Firmware Upgrade
This page contains the the firmware upgrade utility for the KeyCarbon USB series (KCU301, KCU302, KCU303, KCU305, KCU401B, KCU401W, KCU403B, KCU403W, KCU405B, KCU405W).
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- "Firmware upgrading" allows you to upgrade the software, or operating system, contained inside your unit.
- This procedure allows extra features and/or security updates to be applied to your product.
- You can upgrade the firmware in your unit by running a special Windows™ utility (see the steps below).
- This procedure takes 3-4 minutes.
- This procedure is straightforward, and very safe.
- If you have issues connecting to the unit, see troubleshooting.
Step 1: Download The Windows™ Utility
Version: v4.0.0
Filename: "KeyCarbon USB Windows Toolkit v4.0.0.exe" (stable).
Operating System (OS) requirement: Windows 2000/XP/Vista.
Step 2: Install the Windows™ Utility
Click "Next" on the wizard, until the software is installed under Windows.
Step 3: Execute the Windows™ Utility
Select "Start > All Programs > KeyCarbon USB Windows Toolkit > KeyCarbon USB Firmware Upgrade".
Step 4: Apply Firmware Upgrade to Device
- Click "Next" until the utility has upgraded the firmware contained in your KeyCarbon USB.
- You may notice that the caps lock/num lock lights flash during the upgrade. This is normal; it is the method used to verify the firmware upgrade.
Step 5: Verify Version Upgrade
Type "phxlog" on the keyboard to bring the menu up. The firmware version should be newer, as shown in the diagram below.
Troubleshooting
The firmware upgrade process has been thoroughly tested over the past few years, with a 100% success rate.
You cannot damage your unit, or render it inoperable, by using the firmware upgrade.
- If your computer has trouble detecting the unit, see the emergency bootloader procedure.
- Even if your unit loses power in the middle of a firmware upgrade, you can still recover your unit, see the emergency bootloader procedure.
- If you want to reset a lost password, see the password reset procedure. To protect your privacy, this procedure also erases the contents of the log.