After the unit has acquired GPS, it will lower the reflector to the proper elevation for a satellite search in your location. As the unit scans the proper elevation, it will locate satellite signals. The antenna will return to a scanned satellite location and verify the satellite’s DVB identification. If it is the correct satellite, the antenna will peak on the signal and stop. If it is not the correct satellite, the unit will move directly to the correct satellite, stop and peak on the satellite. The unit will continue the conical scan for approximately 6 minutes. After 6 minutes, the unit will enter “sleep mode” and end the conical scan.
4.3 Tracking with the RoadTrip LP
To track with the RoadTrip, simply power on the unit using the power switch. The antenna will go through the same acquisition routines as it did while searching in the stationary mode.
If the unit was already locked on a satellite, you only need to begin moving. After the antenna unit senses forward movement at 10 MPH, it will actively track the satellite or begin a satellite tracking search routine to find the desired satellite signal.
The antenna uses active gyros to determine vehicle movement and adjusts the antenna accordingly. Once the desired satellite is located and identified, the RoadTrip will stay actively locked on the satellite by using a conical tracking routine. If the vehicle stops while tracking, it will continue to actively track the satellite for up to 6 minutes. If the vehicle is stationary for more than 6 minutes, the unit will go into “sleep mode”, stop actively tracking the satellite and end the conical search.
4.4 Satellite Signal Interruption
Satellite TV reception systems may be disrupted by weather condi- tions. Satellite signals may be lost temporarily during a steady rainfall. Rain, snow or dew on the surface of the radome can ad- versely affect your satellite signal. It is important to maintain your radome with the approved protectant, and remove water or snow by wiping it off when necessary.
While moving, the signal can be interrupted when
GPS acquisition will nor- mally take less than a minute. If you have traveled a long distance with- out using the antenna or if the dish is being used for the first time, ac- quisition may take several minutes.
If searching for the 101 DIRECTV satellite, the antenna will verify the 110 satellite prior to stopping on 101.
The antenna will only track the satellite while moving forward. If you back your vehicle, you may lose satellite acquisition. Turning quickly when first moving may cause loss of signal.
The antenna has an auto- matic peaking routine to maintain the best signal while in sleep mode or in a stationary position.
See Appendix C for peri- odic maintainance requirements.
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