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Driver Installation:
In addition to correctly configuring the GPSCard's address and IRQ settings, you must
also install the correct firmware to run the GPSCard.
In order to install the driver you must first locate the appropriate boot file for the specific
card that you are using. This boot file (named main.btl) is sent along with the GPSCard
when delivered from the factory. Although all NovAtel boot files are named main.btl,
each file is tagged to a specific GPSCard and cannot be interchanged with other
software or GPSCards. It is standard practice at Fugro Pelagos to rename the main.btl
file to match the GPSCard's serial number, as found on the circuit board (retaining the
.btl file extension). Also, if you are using an older NovAtel GPS Card (pre-2000), you
must ensure that the boot file used is year 2000 (Y2K) compliant.
To install the driver:
1.
Using NT Explorer, click on File and create a directory called GPS.
2.
Insert the boot file disk into drive A. Copy the boot file that corresponds to the
serial number of the GPS card (for example 090240.btl), to the GPS directory.
3.
Insert the disk that has the NTDLL sub-directory into Drive A and then copy the
NTDLL subdirectory into the GPS directory. From the C:\GPS directory copy the
following files ntgpsdrv.sys and pcgps3nt.dll into the following directories
c:\winnt\system32\drivers and c:\winnt\system32 respectively.
4.
Exit NT Explorer. Start MSDOS Prompt. Use the cd command to change to the
C:\GPS\NTDLL directory. (i.e. type cd C:\GPS\NTDLL <enter>)
5.
Type the following line then press <enter>.
gpsinst /Dc:\winnt\system32\drivers\ntgpsdrv.sys /NGPS1 /I5 /A150
6.
To check that the driver is correctly installed, type "gpsquery" and press
<Enter>. The driver parameters will show indicating that it has been successfully
installed.
7.
You must now load the boot file by typing the following line and pressing <Enter>.
gpsload /NGPS1 c:\gps\the bootable file (such as 090240.btl) <enter>
8.
At this point, the red light on the card should be flashing, indicating that the card
has been booted correctly.
9.
Type gpscon /NGPS1 <enter>. Gpscon enables you to issue commands directly
to the GPSCard via the PC keyboard.
10.
Type log console rcsa <enter>. This command allows you to monitor the
receiver status. The rcsa will display the Version, Channels, Idle and Status of
the receiver. By looking at the status code you will be able to determine whether
WinFrog User's Guide - Appendix C – GPS/NovAtel Con
Page 20 of 22
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