Furuno FAR-2107 Series Service Manual page 500

70. Echoes are reversed left to right on the S-band radar.
Is not the antenna reversely rotating? The antenna should rotate leftward viewed
from underneath. Change the connection of one phase of 3-phase power supply of
the antenna motor.
71. How to adjust the Magnetron after being replaced.
See page.6-43.
Execute TUNE INITIALIZE of Magnetron current and Magnetron heater voltage.
8-19
Q & A