COBHAM SAILOR 900 Ka, Руководство по установке

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Calibration
98-146706-A Chapter 6: Configuration 6-7
Confi
guration
3. The antenna checks each stored position for up to 10 seconds. If RX lock is detected for
more than 20% of the time, the antenna goes to Tracking.
With heading input or fixed heading and Inclined Orbit Satellite
1. The antenna starts the acquisition and searches for 10 seconds at the expected
position. If RX lock is detected the antenna goes to Tracking.
2. If no RX lock is detected, a box search pattern is started and the positions where RF
power can be received are stored.
3. The antenna checks each stored position for up to 10 seconds. If RX lock is detected for
more than 20% of the time, the antenna goes to Tracking.
Without heading input and not fixed heading (Gyro-free)
1. A box search pattern is started and the positions with reception of RF power are
checked for up to 10 seconds. If RX lock is detected for more than 20% of the time, the
antenna goes to Tracking.
Acquisition times
Figure 6-6: Acquisition, search pattern for inclined orbit
Figure 6-7: Acquisition, search pattern in gyro-free mode
Activity
Inclination
0° 1° 2° 3° 4°
Initial search 10 s 10 s 10 s 10 s 10 s
Scan box pattern 5 s 10 s 15 s 25 s 30 s
Table 6-3: Acquisition time
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SAILOR900Ka-IM-98-146706.book Page 7 Thursday, July 16, 2015 11:07 AM