SEAFARER 5 Handleiding
Lees hieronder de 📖 handleiding in het Nederlandse voor SEAFARER 5 (13 pagina's) in de categorie Marine. Deze handleiding was nuttig voor 44 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/13
SEAFARER 5
ECHO SOUNDER
I
nstallation and Operating Instructions
SEAFARER NAVIGATION INTERNATIONAL LIMITED
Fleets Lane, Poole, Dorset BH15 3BW, England
Telephone: Poole 674641

Cables:
Seatronics
,
Poole
Telex: 41169
I
Seafarer 5
SEAFARER RANGE
SEAFARER 5
ECHO SOUNDER
CONGRA TULA TIONS
You have become the owner of a Seafarer 5 Echo Sounder. If you
follow the installation instructions carefully and carry out routine
maintenance as recommended, then this quality product will give
you many years of trouble free service.
INSTALLATION AND OPERATING
INSTRUCTIONS
INTRODUCTION
The Seafarer 5 echo sounder operates by measuring
the time interval between transmission and reception
of ultra-sonic pulses from the sea bed via a piezo
electric transducer fitted in the hull of the boat.
The depth is displayed on a circular dial by a
brilliant yellow Light Emitting Diode (LED) on two
range scales. Ranges are t)-20m and
0-120m on
metric model or 0-&ft and 0-i0 fathoms on Feet/
Fathoms model. In addition. the instrument is fitted
with a depth alarm (audible and visual) which
operates up to 30 metres (16 fathoms).
TRANSDUCER INSTALLATION
WARNING: The co-axial cable is sealed into the
stem of the transducer and if damaged in any way
cannot be reconnected. The transducer lead has a
nominal length of 24 feet (7.3 metres) and should not
be extended or cut without the advice of a service
engineer. Any excess cable should be coiled away
from excessive heat or sources of electrical
i
nterference. Transducers with longer cable can be
supplied to special order. For full depth performance
the transducer stem should he mounted as near
vertical as possible. Install the transducer in a part of
the hull which is as clear as possible from aerated or
Fig. 1
t
urbulent water and where accidental damage is
unlikely to occur. Normally a position slightly aft of
amidships is preferable. For fin-keel sailing boats it
may be preferable to fully recess the transducer into
the stem so that the face is completely flush. It should
be remembered that the beam angle of the
transducer is ±22
1
/2
°
and care should he taken that a
false echo is not created by the keel. If a single
transducer is installed on the centre line of the boat
depth readings will he obtained up to an heel angle of
221/2
°
.
If two transducers arc required, to avoid fin-
keels for instance, then each should be fitted in
opposite bilges facing outward at an angle of
approximately 15
°
.
By using an automatic change-
over switch (optional extra) available from all good
chandlers. a twin transducer installation will enable
the Seafarer 5 and 700 to give accurate depth
readings to an heel angle of 37'/2
°
.
The following illustration indicates typical
transducer installations using a wooden fairing block
outside the hull. The fairing block has been carefully
bored, carved and sanded to a streamlined shape
avoiding the creation of turbulent water which may
reduce or even prevent depth indication when the
boat is travelling at a speed. In one of the examples
shown, an internal fairing block has been used for
strength and sealing and to allow for hull curvature.
The installation should he carefully rendered
watertight by using a sealing compound between all
mating surfaces. Do not over-tighten the nuts on the
transducer stem.
3
Stem Fitting

Bilge
Mounting
Not
to
Scale

Transducer
Head
Embedded
i
n
Mastic
Sealing
Compound
90'
r
Alt

Fore
Level F,umg to Avoid
Water Turbulence
TRANSDUCER INSTALLATION
DIAGRAM
Product specificaties
| Merk: | SEAFARER |
| Categorie: | Marine |
| Model: | 5 |
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