Furuno CH-270 Manuel d'utilisateur télécharger pdf (Page 75)

4. ECHO SOUNDER MODE

4-3

4.3 Choosing the Range

The [RANGE] control chooses the detection (display) range, in 15 settings. Choose the

range according to either the fish species being searched or the depth desired. Each time

the control is operated the newly chosen range briefly appears in large characters at the

screen top. Range is permanently displayed at the top right-hand corner.

Normally the range is set so that the bottom is traced at the lower part of the screen.

Surface

Bottom

RANGE m

Range concept

Default echo sounder mode range settings

Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Meters 10 20 30 40 60 80 100 120 160 200 250 300 400 500 600

Feet 30 60 90 120 150 200 250 300 400 500 600 800 1000 1500 2000

Note 1: Unit of range measurement may be chosen from among meters, feet, fathoms,

passi/braza and Hiro (Japanese). For further details, see UNIT in paragraph 5.4.2.

Note 2: Ranges may be freely preset as desired. For further details, see paragraph 5.4.6.

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Furuno CH-270 Manuel d'utilisateur Page 75