Furuno FCV-1200LM Manuel d'utilisateur télécharger pdf (Page 51)

3-3

Seabed

Bottom lock display

1/1

Set the bottom

search so that this

line disappears.

ZOOM MARKER

Turns zoom marker on/off.

FREE SHIFT

Set shift value independently for each range (ON) or commonly for all range (OFF).

ECHO STRETCH

Displays the strong echoes long though the pulse length setting is short. It is useful for

distinguishing individual fish (e.x. squid) in plankton.

DEPTH UNIT

Selects unit of depth measurement; meters, feet, fathoms, hiro (Japanese), passi/braza.

SPEED UNIT

Selects unit of ship’s speed; kt, km/h, sm/h.

TEMP UNIT

Sets unit of water temperature measurement; Celsius or Fahrenheit.

BOTTOM LEVEL

When seabed depth readout is unstable,

use this feature to stabilize it. The

setting range is -40 to 0, and the default

setting is 0.

If this setting value is too small, fish

echo may be regarded as bottom which

causes unstable depth readout.

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Furuno FCV-1200LM Manuel d'utilisateur Page 51