INSTALLATION
The repeat meter may be flush mounted in the cockpit or other suitable position for use by the Helmsman or Navigator. It
requires only a single hole fixing of 87mm (3.4in) diameter. Whilst the front face of the meter is weather-proofed, a suitable
sealing compound should be used to ensure a watertight seal between the bulkhead and the meter flange.
Inter-connection between the repeat meter and the echo sounder is via a 4-core screened cable of 6m length. If required, this
may be extended by using a terminal block and extra cable of the same (or very similar) type. The screen must be disconnected
and separated from the wire and solder tag to which it is connected. The screen and four wires are then connected via the terminal
block to the extension cable. The end of the extension cable to be connected to the echo sounder must be made up with the screen
and wire connected together at the solder tag. However, care must be taken to ensure that the joint is fully protected against
ingress of water. The cable is an integral part of the repeat meter and is supplied with it. To connect to the instrument, remove the
battery compartment cover and make a hole in the repeat meter cable entry grommet. Thread the cable through the grommet and
connect each lead to the appropriate terminal following the diagram supplied. Finally, replace battery compartment cover. If
display illumination is required, then a 12 volt D.C. (ships supply) should be connected to the terminals at the rear of the meter.
For 24 volt systems. connect a resistor (180 ohm 1 watt) in series with the supply. To provide a variable level of illumination, a
potentiometer (1 Kohm) should be fitted in series with the supply. In which case the 180 ohm resistor should be omitted.
REPEAT METER OPERATION
The repeat meter will start to operate as soon as the Echo Sounder is switched on. However, if the gain’ control is set too low,
colon in the middle of the display will flash. This “missing echo” indication will continue until a satisfactory echo has been
obtained from the sounder. The minimum reading on the repeat meter is 0.8 metres (or 2.7 feet) and has been set by a bubble
suppression circuit. This is to prevent false readings which could be caused by aeration at the interface between boat and water.
GUARANTEE AND SERVICE
The Seafarer 5 and 700 are fully guaranteed under the conditions as stated on the guarantee card supplied with the instrument.
After the guarantee expires, or if problems arise which are not covered by the terms of the guarantee, your instrument will be
repaired in the United Kingdom by the manufacturers or by one of their officially authorised main distributors. Unauthorised or
inexperienced persons should not attempt to service the instrument since this is not only likely to worsen whatever fault has
arisen, but will immediately nullify the Guarantee. Should it ever be necessary to return the instrument for service it is essential
that the internal battery be removed and that the instrument be carefully packed and insured for transit. A brief note (giving your
name and address) and the symptoms of failure is of great assistance to service engineers in locating a fault.
Routine Maintenance
The transducer should be examined periodically and if fitted outside the hull a thin coat of hard anti-fouling paint should be
applied to the face of the transducer with a soft brush, care being taken not to trap air bubbles under the paint. A build-up of
barnacles and other marine encrustation on the face of the transducer will cause progressive deterioration of the instrument
maximum depth capability. Barnacles should be removed by crushing between a pair of pliers and not tugged off as the
transducer face may become irreparably damaged. Particles of imbedded shell can be dissolved by applying a 20% solution of
dilute hydrochloric acid, and be rinsed off with fresh water. If an internal battery is fitted, this should be examined periodically
for acid leakage and replaced as necessary. The battery should be removed if the instrument is not used for an extended period.
The transducer co-axial plug and socket connections should be kept clean and protected against sea water. The transducer
cable should be examined periodically for damage, particularly where the cable emerges from the plastic transducer stem.
The instrument should be carefully protected at all times from salt water and the seals examined to ensure that water is not
allowed to penetrate the instrument.
Accessories and Spares
Additional or spare transducers as well as automatic change-over, switches, repeat meters, mounting brackets and visors are
always readily available from Yacht Chandlers, Dealers or Boatyards.
If you encounter a supply problem, please contact Seafarer Navigation International Limited directly.
