Furuno DS-80 manual System Setting, Displaying the system menu, Ship speed average, Tracking depth

5.Press the [ENT] key to finish and press the [MENU] key twice to close the menu.

The distance run indication reads 0.00.

1.7System Setting

The system setting provides the fundamental parameters for intended performance of the DS-80.

1.7.1 Displaying the system menu

1.Press the [MENU] key to open the menu.

2.Select SYSTEM MENU and press the [ENT] key.

SYSTEM MENU

SHIP SPEED AVG 15 SEC

SPEED OFFSET	+0.0%
TRACK DEPTH	2.0 m
XDR OFFSET	+00˚

SPD DATA SELECT

DOPPLER

ENT: SET

1.7.2 Ship speed average

Wind and currents affect ship’s speed, and speed data is averaged over the time period set on this menu. Increase the speed averaging period if the speed reading is unstable.

1.Open the SYSTEM MENU.

2.Select SHIP SPEED AVG and press the [ENT] key.

15SEC

30SEC

45SEC

60SEC

3.Select averaging time period desired among 15, 30, 45 and 60 seconds.

4.Press the [ENT] key.

5.Press the [MENU] key twice to close the menu.

1.7.3 Speed offset (calibration)

Calibration of any speed log is necessary through the sea trials during the commissioning tests. Fill in the calibration sheet which is on page 25 of this manual. Us the resultant data to calculate speed offset and enter it as below. The setting range is -25.0% to +25.0%.

1.Open the SYSTEM MENU.

2.Select SPEED OFFSET and press the [ENT] key.

SYSTEM MENU

SHIP SPEED AVG	30 SEC
SPEED OFFSET	+0.0%
TRACK DEPTH	2.0 m
XDR OFFSET	+00˚

SPD DATA SELECT

DOPPLER

ENT: SET

3.Select the digit to change with or and change the value with or on the Omnipad.

4.Press the [ENT] key.

5.Press the [MENU] key twice to close the menu.

1.7.4 Tracking depth

Doppler shift measuring depth in the DS-80 is 2 m at default. If the speed readout is unstable due to air bubbles near the ship’s hull, increase or decrease the track depth to stabilize the readout. The setting range is 1.0 m to 9.9 m.

1. Open the SYSTEM MENU.

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