Furuno 1715 manual Timing adjustment

3. INSTALLATION

6. Press ► to show the Radar Setup menu.

RADAR SETUP

HEADING ADJUST
TIMING ADJUST
SET ON TIME	: 000000h
SET TX TIME	: 000000h

[MENU/ESC]: Exit.

Radar setup menu

7.HEADING ADJUST is selected; press ► to show the options window.

RADAR SETUP

HEADING ADJUST	: YES
TIMING ADJUST	: NO
SET ON TIME	: 000000h
SET TX TIME	: 000000h

[MENU/ESC]: Exit.

Radar setup menu (heading adjust)

8.Press ▲ to choose YES, and the display now looks as below.

Heading Line

Message

HEADING LINE ADJUSTMENT BY ’ ’ AND ’ ’ KEYS.

THEN PUSH ’MODE’ KEY TO SET.

Heading adjustment display

9.Visually identify a suitable target (for example, ship or buoy) at a range between 0.125 to 0.25 miles.

10.Point your boat’s bow directly toward the target selected at step 9.

11.Locate the target selected at step 9 on the display and choose a range which places it in the outer half of the picture.

12.Press ◄ or ► to bisect the target with the heading line.

Target

Heading Line

Heading adjustment display

13.Press the [MODE] key.

14.Press the [MENU/ESC] key twice to close the menu.

15.Move the boat towards a small buoy and confirm that the buoy shows up dead ahead on the radar when it is visually dead ahead.

Timing adjustment

Sweep timing differs with respect to the length of the antenna cable. Adjust sweep timing to prevent pushing or pulling of the target as illustrated below and placement of targets at incorrect ranges.

Correct	Target pushed	Target pushed
	inward	outward

Improper and correct sweep timings

1.Transmit on a range between 0.125 and 0.5 nm and adjust the sensitivity and A/C SEA. (See page 4 and 5 for procedure.)

2.Choose TIMING ADJUST from the Radar Setup menu and press ►.

RADAR SETUP

HEADING ADJUST		: YES
TIMING ADJUST
		: NO
SET ON TIME	:	000000h
SET TX TIME	: 000000h

[MENU/ESC]: Exit.

Radar setup menu (timing adjust)

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