Bedienungsanleitung Navman TRACKFISH_6500 (Seite 83 von 88) (Englisch)

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TRACKFISH 6500 Installation and Operation Manual 83

NAVMAN

c A fuel transducer may be clogged. If so,

remove the transducer from the fuel line

and gently blow through it in the opposite

direction to the fuel flow.

A fuel filter between the fuel transducer

and the fuel tank must be installed as per

the fuel installation guide. Failure to do so

will void the warranty.

d Inspect the fuel cable from end to end for

damage such as cuts, breaks, trapped or

squashed sections.

e Check that the fuel filter is clean.

3-3 A twin engine installation shows only one

flow rate:

a Check that the number of engines is set to 2

(see section 17-5).

3-4 Erratic Fuel Flow readings:

a The fuel flow transducer may have been

mounted too close to the fuel pump or may

be subject to excessive vibration. Refer to

the installation instructions supplied with

the fuel transducer.

b Check for leaks in the fuel line or in the fuel

pickup in the tank.

c The Flow filter value is not suitable for

the engine. Check that the value is not set

to zero, then try increasing the value until a

steady flow rate is shown (see section 17-5).

3-5 There is no reading for fuel economy:

a The boat must be travelling through the

water to generate an Economy reading.

b Check that the paddlewheel on the

transducer is spinning freely and that the

two magnets in the paddlewheel are still in

place.

B-4 Sonar fishfinding problems

4-1 The TRACKFISH operates erratically:

a Check that the transducer does not have

debris (e.g. weed, plastic bag) caught

around it.

b The transducer may have been damaged

during launching, running aground or

while underway with debris etc. If the

transducer has been impacted, it may have

been kicked up on the bracket. If it is not

physically damaged, reset the transducer

back to its original position. (See the

Transom Transducer Installation Guide.)

c When the transducer is less that 2 ft (0.6 m)

from the bottom, the depth readings may

become inconsistent and erratic.

d Manual Gain may be set too low, which may

cause weak bottom echo or no fish signals. If

in Manual Gain, try increasing the Gain.

e Ensure the back of the bottom surface

of the transducer is slightly lower than

the front and the front is as deep in the

water as possible in order to minimize the

generation of bubbles through cavitation.

(See the Transom Transducers Installation

Guide)

f Check the transducer and power cable

connectors at the back of the display unit

are securely plugged in and the collars are

locked in place. The collars must be secure

for watertight connection.

g Inspect the power cable from end to end

for damage such as cuts, breaks, squashed

or trapped sections.

h Ensure there is not another fishfinder

or depth sounder turned on, which may

interfere with this TRACKFISH.

i Electrical noise from the boat’s engine or

an accessory may be interfering with the

transducer(s) and/or the TRACKFISH. This

may cause the TRACKFISH to automatically

decrease the Gain unless using Manual

Gain.

The TRACKFISH thus eliminates weaker

signals such as fish or even the bottom

from the display. This may be checked

by switching off other instruments,

accessories (e.g. bilge pump) and the

motor until the offending device is

located. To stop problems from electrical

noise, try:

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Navman TRACKFISH_6500 Seite 83

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