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Chapter 10-16
Symptom
No GPS position update
Screen update is
extremely slow
Echo picture appears
normal, but no target are
shown or only random
"noise" is seen
Excessive noise in echo
picture
All data is deleted after
turning off the unit and
turning it back on
10.12 Specifications
General data
Power supply: 12 and 24 V DC (10-32 V DC max) 8-16 watt
Power cable:
Power/NMEA cable, 2 m (153-6070-002)
Dimensions:
H:144 mm (5.8") W:252 mm (10") D:70 mm (2.8")
Weight:
1.5 kg (3.0 lbs)
Environment: -10 to +50°C, IEC 60945, waterproof USC 46 CFR and IP55
Housing:
Casted aluminum back, polycarbonate front
Display:
TFT color, power backlight: 5.7" 320x240 pixels, or .....
STN transflective monochrome 6" 320x340 pixels
Presentation:
4 pages. Manual, dedicated and remote switch, and automatic
sequencing.
Check
Check external position to
be OFF, refer to interface
display in [MENU],[7],[2]
Check antenna and cable
Check that the stored
Tracks and Routes (not
currently in use) are not
all drawn up on the chart
Check that the correct
transducer frequency is
selected
Check that the transducer
connectors are securely
mated with the unit
Check that the receiver
gain is set high enough
Check that the range is
correct for the water depth
Check for correct ground-
ing
Check battery lifetime.
Expected lifetime is min.
5 years
CE33 Installation and service
Remedy
Replace antenna or cable
Turn off 'Course line'
for each stored route in
sec.5.2, and turn off 'Dis-
play track' in sec.5.6
Go to Echosounder setup
and select transducer fre-
quency in section 7.8
Correctly mate the con-
nectors to the unit
Increase the receiver gain
in 7.9 Presentation setup
Adjust the range in 7.9
Presentation setup
Connected equip-
ment must be properly
grounded to the main unit
Internal battery must be
replaced by authorized
dealer
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