Chapter 10-16 CE33 Installation and service
Symptom Check Remedy
No GPS position update Check external position to
be OFF, refer to interface
display in [MENU],[7],[2]
Check antenna and cable Replace antenna or cable
Screen update is
extremely slow
Check that the stored
Tracks and Routes (not
currently in use) are not
all drawn up on the chart
Turn off ‘Course line’
for each stored route in
sec.5.2, and turn off ‘Dis-
play track’ in sec.5.6
Echo picture appears
normal, but no target are
shown or only random
“noise” is seen
Check that the correct
transducer frequency is
selected
Go to Echosounder setup
and select transducer fre-
quency in section 7.8
Check that the transducer
connectors are securely
mated with the unit
Correctly mate the con-
nectors to the unit
Check that the receiver
gain is set high enough
Increase the receiver gain
in 7.9 Presentation setup
Check that the range is
correct for the water depth
Adjust the range in 7.9
Presentation setup
Excessive noise in echo
picture
Check for correct ground-
ing
Connected equip-
ment must be properly
grounded to the main unit
All data is deleted after
turning off the unit and
turning it back on
Check battery lifetime.
Expected lifetime is min.
5 years
Internal battery must be
replaced by authorized
dealer
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.
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