How to Coldstart VBOX Omega
A coldstart may be required when:
- VBOX Omega displays 'GPS Error'
- VBOX Omega has not been used for an extended period of time
A coldstart forces the GNSS engine to reset its downloaded almanac of current satellite positions. This can be useful if VBOX Omega displays a GPS Error message, which typically occurs if the speed sensor has not been used for several weeks or if it was last used a long distance (over one thousand miles) away from the current location.
After performing a coldstart, leave VBOX Omega powered up in a static location where the antenna has an unobstructed view of the sky until the display reads OK.
Once VBOX Omega has downloaded the new almanac, it will reacquire satellites in noisy situations (such as near trees, buildings and under bridges) much quicker. Time to first satellite fix will be shorter at power up.
The VBOX Omega can be coldstarted via the VBOX Setup Software or the Front Panel of the unit. All GNSS settings are retained after the process.
VBOX Setup Software
- Ensure VBOX Omega is powered.
- Connect VBOX Omega to a computer using the supplied loom, connect the serial plug labelled SERIAL to the computer's serial port, this can be done via a serial to USB convertor if required.
- Open VBOX Setup and connect to VBOX Omega by selecting the correct COM Port.
- Select the GNSS menu and then the Engineering Diagnostics tab.
- Select GNSS coldstart from the GNSS information section.
Front Panel
- Press the OK button to enter the menu, navigate to GNSS and press the OK button.
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- Navigate to GNSS Coldstart and press the OK button. In Progress will be displayed, showing that the coldstart has been performed and the GNSS engine is now not locked onto any satellites.
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- After approximately 30 – 45 seconds, the display will read OK.
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