Furuno SFD-1010 Operator's Manual page 220

5. INSTALLATION
When connecting satellite compass SCX-20, enter the distance between the SCX
antenna and transducer (HF/LF) as follows.
Ship's height
Up(+)/Down(-)
Menu Item
[Bow/Stern(HF)]
[Bow/Stern(LF)]
[Up/Down(HF)]
[Up/Down(LF)]
[Port/Starboard(HF)]
[Port/Starboard(LF)]
5-36
SCX-20
Descriiption
Set the distance (m) from the motion
sensor to the transducer from bow to
stern.
(In above example, Bow/Stern setting are
"+" for both HF and LF.
Set the height (m) from the motion sensor
to the transducer.
Set the distance from the motion sensor to
the transducer (m) from port to starboard.
If the transducer is installed to the
starboard, set to "+". (In above example,
port/starboard settings are HF："+",LF：
"－".）
Bow(-)/Stern(+)
Starboard (+)
Port (-)
Bow(-)/Stern(+)
Option Range
-99.9 ～ +99.9
-99.9 ～ +99.9
0.00 ～ +99.9
0.00 ～ +99.9
-99.9 ～ +99.9
-99.9 ～ +99.9