Moog Crossbow GNAV540 - Manual (Page 44)

age 44 GNAV540 User Manual
7430‐0808‐01 Rev. B
1. Install Software—NAV‐VIEW 2.2
Inst ct ru ions
a. Insert the CD GNAV540 Inertial System in the CD‐ROM drive.
b. On the CD, go to the NAV‐VIEW 2.2 folder and double click the setup.exe file.
c. Follow the wizard instructions to install NAV‐VIEW 2.2 and if necessary, the .NET 4.0 framework.
2. Prepare the Communication Port
The GNAV540 unit can communicate to the computer via Ethernet or directly to the computer via serial port:
determine which communication port to use.
• For a serial port, note which COM port.
• For the Ethernet, note the port IP number and the IP address of the GNAV540.
rial interface ternal Magnetometer is set to OFF. • Ensure the switch on Port C, the se for the Ex
Setting up the port will be handled in step 4 Turn on the GNAV540.
3. Connect the GPS Antenna
rnal activ NOTE: The GNAV540 unit is shipped with an exte e antenna.
To clearly receive signals from many satellites, a clear view from the antenna to the sky is required.
• Poor visibility may result in position drift or a prolonged Time‐To‐First‐Fix (TTFF). The following setups
can obstruct the signal, resulting in poor results for navigation:
• The GPS receiver will not work properly if signals are blocked, such as objects cover the antenna, or the
receiver is located underground or other confined area.
• ming. Signals can also be blocked or distorted with a poor quality antenna or RF cable, or in‐band jam
• Placing the antenna on a 16 square inch (e.g. 4” x 4”) or larger ground plane is recommended.
Instructions
• Secure the antenna to the SMA jack on the enclosure.
Figure 6 GNAV540 Unit
J1: 37 pin connecto
J2: SMA connector r
P