Simrad SH90 - PRODUCT DESCRIPTION REV A Specifications download pdf (Page 97)

Setting-Up

20220760L 95

Screen 2

DEPTH OFFSET

When the depth offset is set to zero, the indicated depth is from

the transducer to the bottom. If you want to indicate the depth

from the water surface to the bottom you have to set the depth

offset according to the vertical distance between the surface and

the transducer (Positive (+) value).

If you want to indicate the depth from the keel to the bottom you

have to set the depth offset according to the vertical distance

between the transducer and the keel (Negative (–) value).

Screen 3

DEPTH SOURCE

Test screen on IS15 Combi only.

Displays the source of the depth information, the software and

hardware version of the IS15 Transceiver/Expander* and the

release date.

NMEA = External source

Rlink = IS15 Transducer

* Depth sounder part.

7.5 Boat Speed Screen Group

Screen 1

SPEED UNIT

One of the following speed units may be selected:

• IS15 Combi: Knots (KTS), Kilometres per hour (KMH),

Miles per hour (MPH)

• IS15 Multi: Same as IS15 Combi

Screen 2

LOG CALIBRATION FACTOR

• A calibration factor of 1.00 equals the factory default

calibration. An onboard calibration using SOG or a known

distance will normally give a different factor.

• If you know the calibration factor of the type of boat you are

on, simply adjust to the known value and the log is calibrated.

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Simrad SH90 - PRODUCT DESCRIPTION REV A Specifications Page 97