FUTABA 16SZ Instruction Manual page 60

S.Bus servo
An S.BUS(2) servo can memorize the channel
and various settings you input. Servo setting can
be performed on the T16SZ screen by wiring the
* With some S.BUS(2) servos, there are some functions which
cannot be used. If a function cannot be used, the display
screen will change. (Only the function which can be used by
a servo is displayed.)
* After reading completion, with connection of the above
Procedure for changing S.BUS servo setting
If you use multiple S.BUS servos, only the desired
servo in the group can be set by entering the ID of
3-way hub
or Y-harnesses
＜ System menu ＞ 61