Furuno NAVpilot-500 Operator's Manual page 32

Button (FAP-6211, 6212), Lever (FAP-6221, FAP-6222),
Dodge (FAP-6231, 6232) type remote controller
These controllers may be used in the STBY, AUTO and NAV modes.
1. For button and lever type remote controllers, turn on the remote controller
power.
The dodge type remote controller doesn't have the power switch, it can be
operated by simply pressing the direction keys.
Turning power on, button and lever type remote controllers
The indication "NFU" (No Follow-Up) appears on the control unit. (For dodge
type, NFU appears while a direction key on it is pressed.)
Heading mode
M: Magnetic
T: True
Non-Follow up (NFU) is one of manual steering modes where the rudder
changes so long as the button or lever is operated, normally, while the lever or
push button is kept pressed at local or remote place.
NFU mode
(Non Follow-Up)
NFU
HDG 359.9
M
RUDDER
0
40 20 10
Rudder angle
NFU (No Follow-Up) mode display
3. STEERING MODE
Course set
359
Heading from
heading sensor
10 20
40
3-13