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Appendix C Receiver Firmware Installation
Downloading New Firmware Using SatStat Program
Operating and Programming Guide C-3
NOTE Prior to download, interrogate the product, record any custom
configuration parameters. This step is necessary because
downloading new instrument firmware will reset all
parameters to system-preset defaults. Parameters typically
recorded include:
• antenna delay
• elevation mask angle
• timezone offset
A table of all system-preset defaults is printed in Table 5-2 on
page 5-111 in Chapter 5 of this guide; refer to it to identify
additional parameters whose default values are inappropriate
for your application. Record the settings you use prior to
download.
5 Performing the download works best if the periodic updates are
disabled. On the main form, select the Function menu, choose Status
(check mark appears), and choose Disable Updates (check mark
appears).
6 Activate the form titled “Control & Query” by clicking anywhere on it.
Select Service, then choose Download Firmware. This will bring up a
form titled “Firmware Download”.
7 Now you need to select the file that you will download. Select the
control labeled File.
This brings up a form for file selection. Download files for the GPS
Receiver have a .s appended to the file name. This form is set to only
find .s type files. In this case, you want to find and select the filename,
for example s_3503.s. Depending on where you have placed this file,
you may have to use this form to navigate for it. If it is on a different
drive, use the Drives selection in the lower right. Once you’ve located
s_3503.s select it (clicking on the name is probably the easiest) and
then select OK. The file, along with its path should now appear in the
“File to Download” portion of the “Firmware Download” form.
8 You’re now ready to perform the download. Select the control titled
Download and an erase warning will appear. This is just a
double-check to make sure you really want to do this. Assuming you do,
select Yes, Perform the Download.
The program will switch the GPS Receiver to the “INSTALL” language,
erase the flash memory, and begin downloading S-records. The
S-records are the long character strings that appear in the lower part
of the form as the downloading process proceeds. The total