B737ng Radar
TWO WAYS OF ACTIVATING THE RADAR ON THE GROUND
1.
Predictive Windshear(PWS) turns on when the airplane is on the ground and has one of these conditions;
-THROTTLE/S MOVE THROUGH 53 DEGREES(throttle lever angle)
-FLIGHT CREW PUSHES WXR BUTTON ON AN EFIS CONTROL PANEL
The WXR button on the EFIS CP does not turn off the PWS if the throttle/s are above 53 degrees.PWS turns off when the aircraft climbs above 2300feet radio altitude.
RADAR WILL RADIATE
2.WEATHER RADAR TEST
Efis mode selector...................................MAP,MAP CTR,VOR or APP
Weather Radar Mode..............................TEST
STAB(depending on A/C options)............ON
WXR(efis control panel)..........................ON
verify test pattern
Weather Radar Mode .............................Deselect TEST
WXR(efis control panel)............................on
Weather Radar Mode...............................TEST
verify amber windshear caution,
red windshear warning,
PWS annunications displays momnetarily
NOTE;IN THE TIME THE WEATHER RADAR IS ON AND NOT IN THE TEST POSITION IT WILL RADIATE
Referances ; B737 NG amm part 1 chapter 34-43-00
B737 ng ops manual SP11.1
Regards DDG