Simrad EQ 55 Especificaciones descargar pdf (Pagina 46)

For all fault finding, first check that the supply voltage is between 10 - 32 Vdc.

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No picture on display

screen

Check that the unit is

turned on

Press [PWR] key on keypad

Check fuse in EQ32 MKII

power cable.

F See warning below.

Replace fuse. Use only

type 2 AmpF

Picture appears on the dis-

play screen, but image is

too dark or too bright

Adjust the image as desired

by pressing the [PWR] key,

adjust light/contrast, and

press the [MENU] key

Echo picture appears nor-

mal, but no targets are

shown or only random

’noise’ is seen

Check that the transducer

connector are securely

mated with the console

Correctly mate the

connector to the console

Check that the receiver

gain is set high enough

Increase the receiver gain.

See Chapter 2 -

Echosounder menu,

Presentation setup section

Check that the range is

correct for the water depth

Adjust the range. See

Chapter 2 - Echosounder

menu, Presentation setup

section

Check that the Demo mode

is not active

Go to ’Echosounder setup’

in Echosounder menu and

set Demo mode to OFF

No normal picture Turn unit off and on again.

No response to key opera-

tion

Disconnect power and

connect again

No normal picture or key

operation

Perform master reset, refer

to section 4.3

You can not make the sys-

tem switch between 50 kHz

and 200 kHz

Check that the Demo mode

is not active

Go to ’Echosounder setup’

in Echosounder menu and

set Demo mode to OFF

Warning! Do not operate the unit without a fuse. When replacing the fuse, make sure to

use the same type of fuse again (2 AmpF), as any other type may cause severe damage

to the unit.

4ROUBLESHOOTINGPROCEDURE

#HAPTER -AINTENANCE4ROUBLESHOOTING2EPAIR

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Simrad EQ 55 Especificaciones Pagina 46

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