4 Release the antenna rotation lock by
following the steps below (see fig. 3.5 and 3.6).
• Pull the handle (1)
• Turn the key 90ฐ in either direc-
tion (2)
• Release the handle (3)
• Remove the key (4)
• Check that the lock is released by
trying to manually rotate the antenna.
5 Ensure that no one is aloft and then switch the man aloft switch (MAS) ON.
6 The system can now be started up again.