Furuno FR-1710 manual Entering Own Ship’s Speed, Automatic speed input, Manual speed input

1.12Entering Own Ship’s Speed

EPA requires an own ship speed input and compass signal. The speed can be entered from a speed log or navaid (automatic) or through the plotting keypad (manual).

4.Press the [ENTER/SELECT] key to con- firm your selection followed by the [MENU] key to close the menu.

Note: Be sure not to select a LOG option or NAV when respective equipment is not con- nected. If the log signal or navaid signal is not provided, the ship’s speed readout at the screen top will be blank.

Automatic speed input

1.Press the [MENU] key and the [0] key twice to show the OTHER menu.

OTHER

Manual speed input

If the radar is not interfaced with a speed log, or the speed log does not feed correct speed

1.HDG SET

2.SPD MODE

3.MAN SPD

4.DRIFT SET

5.DISPLAY

6.MARK/LINE

7.TUNE

8.NAV DATA

9.EBL/VRM

0.↓

MAN LOG NAV LOG (S-BT)

LOG (S-WT)

enter the ship’s speed as follows:

1.	Press the [MENU] key and the [0] key
	twice to show the OTHER menu.
2.	Press the [2] key to select MAN from the
	SPD MODE field, and then press the [EN-
	TER/SELECT] key.
3.	Press the [3] key twice to select the MAN
	SPD field.
4.	Enter speed with the numeric keys.
5.	Press the [ENTER/SELECT] key to con-

Figure 1-9 OTHER menu

2.Press the [2] key to select the menu item

SPD MODE.

3.Press the [2] key again to select the LOG or NAV.

LOG:	Pulse input from speed
	log, serial data
NAV:	Speed data from naviga-
	tion equipment

firm your selection followed by the

[MENU] key to close the menu.

LOG 10.0KT WT

Or NAV

LOG or NAV speed indication

			8.5	F ← Fore/Aft
LOG	8.7KT	WT
			0.5	SB ← Port/STBD

GT

LOG (serial data) speed indication

About Ship’s Speed

c’

a

c

b

Wind, current

a:Fore/aft speed

b:Port/starboard speed

c:Speed made good (actual speed)

Pulse signal: a only (water tracking speed)

Serial speed: a and b

Water tracking speed = relative speed (including error due to wind, current Ground tracking speed = true speed (no influence from wind, currents)

Navigator speed: c→c’

Speed input (c) from navgator (GPS, etc.) c is converted to fore/aft direction (c’) and displayed on the radar screen.

1-9