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This document describes the process for updating the firmware on the DPP125C
instruments. For full functionality of the Tektronix DPP125C to operate with the
BSAPCI3 soft
firmware. This update consists of two processes:
ware application, the DPP125C requires the latest software and
Download an
DppUpdate application to update the DPP125C firmware.
Update the
d install the latest BERTScopePC software, which includes the
firmware on your DPP125C by running the DppUpdate application.
Download and install the latest BERTScopePC software
he BERTScopePC software on a 32-bit Microsoft Windows XP computer
ate the DPP125C firmware
Upd
Install t
or a 32-bit Microsoft Windows XP virtual machine. The BERTScopePC software
application can be installed from the CD-ROM supplied w ith your Tektronix
DPP125C or you can download the latest version from the Tektronix Web site at
www.tektronix.com; (search for “BERTScopePC”).
1. Follow the online instructions to install the software.
2. After installing the software, restart the PC.
NOTE. After restarting the PC, the BERTScopePC software may take 10 seconds
or more before displaying the splash screen. Please be patient while the software
starts.
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1. Connect a USB cable between the DPP125C and the PC.
2. Push the power switch to turn on the DPP125C. (Ensure that the
BERTScopePC application is not running on the PC.)
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3. Select Start > A
The following startup screen appears:
4. Click OK to verify the application has detected the DPP125C.
NOTE. The serial number and firmware version displayed on the screen will
rom the information shown in the following figure. Each instrument will
differ f
have different values.
ll Programs > BERTScope > DppUpdate to start the update.
ick OK to continue with the firmware download process.
5. Cl
NOTE. In the following steps, pay close attention to the information on the screen.
The instructions on the screen require you to turn on the DPP125C in an Update
mode to properly complete the firmware upgrade process.
2 DPP125C Firmware Upgrade Instructions
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Select and validate a
firmware package
The DppUpdate a
included with the BERTScopePC software. If it does, it continues with the next
step to back up the existing firmware.
If the application cannot find a newer firmware package than the one currently
installed on the DPP125C, the following screen appears:
Click OK
to open a window to browse for the firmware location.
pplication should automatically locate the firmware package
Search the file system for the firmware location and then click Open.Afterthe
application has verified the firmware, it continues with the next step to back up
e existing software.
th
DPP125C Firmware Upgrade Instructions 3
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Back up the existing
firmware
Turn on the DPP125C in
the Update mode
After the DppUp
back up the existing firmware package.
The application should automatically turn off the DPP125C after it has backed
up the existing firmware package. Do not turn off the DPP125C before the
application completes the back up process.
The DPP125C has a special Update mode that supports special operations such
as erasing, reprogramming, and verifying the Flash program memory in the
microcontroller. In the following steps, ensure that you start the DPP125C in the
Update mode instead of the normal mode.
date application has detected the firmware package, click OK to
NOTE.
DPP125C after starting the Update mode before continuing the update process. If
the VM does not have control of the DPP125C, the update process will fail.
Before continuing the process the following screen should appear:
If you are using a virtual machine, make sure that the VM has control of the
4 DPP125C Firmware Upgrade Instructions
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1. Push and hold th
flash, approximately five seconds.
2. Click OK to con
The application will install the new firmware.
Do not turn off the DPP125C before the application completes the download
process.
e DPP125C power button until the Power LED begins to
tinue the update.
Verify the downloaded
firmware
After installing the firmware, the application will automatically restart the
DPP125C in the normal operating mode.
CAUTION. Losing control of the active window when using a virtual machine can
cause the verification steps to fail. If you are using a virtual machine, make sure
the VM is the active window during the download process. If the DPP125C
that
switches from the Update mode to the normal operating mode while the host or
another VM has the focus, then the original VM might not receive control of the
DPP125C and the firmware update process will fail. Avoid changing the active
window during the upgrade process.
DPP125C Firmware Upgrade Instructions 5
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After the new fir
appears:
Click OK or Cancel to exit the application.
This completes the firmware update process.
mware has successfully downloaded, the following screen
6 DPP125C Firmware Upgrade Instructions
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