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F Upgrading the Receiver Firmware
162 SPSx51 Modular GPS Receivers User Guide
The WinFlash utility
The WinFlash utility communicates with Trimble products to perform various
functions including:
• installing software, firmware, and option upgrades
• running diagnostics (for example, retrieving configuration information)
• configuring radios
For more information, online help is also available when using the WinFlash utility.
Note – The WinFlash utility runs on Microsoft Windows 95, 98, Windows NT
®
, 2000, Me,
or XP operating systems.
Installing the WinFlash utility
You can install the WinFlash utility from the Trimble SPS GPS Receiver CD, or from the
Trimble website.
To install the WinFlash utility from the CD:
1. Insert the disk into the CD drive on your computer.
2. From the main menu select Install individual software packages.
3. Select Install WinFlash.
4. Follow the on-screen instructions.
The WinFlash utility guides you through the firmware upgrade process, as described
below. For more information, refer to the WinFlash Help.
Upgrading the receiver firmware
1. Start the WinFlash utility. The Device Configuration screen appears.
2. From the Device type list, select your receiver.
3. From the PC serial port field, select the serial (COM) port on the computer that
the receiver is connected to.
4. Click
Next.
The Operation Selection screen appears. The Operations list shows all of the
supported operations for the selected device. A description of the selected
operation is shown in the Description field.
5. Select Load GPS software and then click
Next.
The GPS Software Selection window appears. This screen prompts you to select
the software that you want to install on the receiver.
6. From the Available Software list, select the latest version and then click
Next.