WEATHER RADAR PANEL

Question 1

MODE SELECTOR Switch

Answer 1

• Rotate: selects Mode

TEST:

• test wx operation
• shows test pattern and any fault msgs on ND - MAP (both), VOR & APP - with WX selected
• NOTE:
  
  • on ground - and thrust levers are NOT advanced for TO, WXR test the PWS system. Deactivating WXR on EFIS will NOT discontinue test and CAN result in automatic WXR activation on BOTH pilot displays. PWS test last approx 15 seconds.

WX:

• shows wx radar returns at selected gain level

WX/TURB:

• shows wx radar returns
• shows turbulance w/in 40 miles (needs detectable precip - CAT is NOT detected)

MAP:

• shows ground returns

Question 2

GAIN Selector

Answer 2

• Rotate: sets receiver sensitivity in -
  
  • WX
  • WX/TURB
  • MAP

AUTO: maintains optimum receiver sensitivity

MAX: gain control at Max sensitivity

Question 3

TILT Control

Answer 3

• Rotate CW: antenna tilts UP to selected degree above horizon
• Rotate CCW: tilts DOWN