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Weather Radar
Powered by 28V DC from SPDA 1 DC Bus 1. There is no backup power to this system. The system starts in OFF mode. With one controller OFF and the other in an operating mode, the system is in slave mode, where the operating controller controls both sweeps. The normal sweep is 12 per minute and 60° either side of heading.
Virtual controller
| TURB | only in WX mode at ranges 50nm or less |
| GAIN | calibrated is selected when TGT or RCT are selected, otherwise can select VAR (variable gain) |
| TGT | monitors for red or magenta beyond selected range |
| SECT | changes sweep to 24 per minute and 30° either side of heading |
| ACT | altitude compensated tilt |
| RCT | auto adjust sensitivity due to attentuation through targets |
| LX | lightning sensor on or off |
Categories: Embraer 170/190 | Flight Instruments/Comm/Nav/FMS