Navico SIMRAD AI50, Manual For Use

Page: 77 / 84

Appendix 77
9 Appendix
9.1 Maintenance
Periodically wipe down the casing and display screen with a
clean damp cloth.
To remove heavier marks use mild soapy water, dampen
cloth and wring out thoroughly before wiping unit.
Never use cleaning solutions containing spirit or
alcohol as these can damage the unit.
9.2 Troubleshooting
These simple checks should be carried out before seeking
technical assistance and may save time and expense.
General Symptom Possible Cause Remedy
Unit will not switch on Faulty connector to power
Fuse has blown
•
•
Check power
connection
Replace fuse and check
power supply
•
•
No picture on display Unit not powered up
Light level set too low
•
•
Press PWR/ key
Increase light level.
(See section 3.10 and
6.3)
•
•
No mapping detail Coastline detail not active
•
Activate coastline detail
(see section 6.2.1)
•
No GPS Position data Antenna or cable problem
•
Check antenna cable
and connections
•
No HDG info SimNet cable problem
•
Check SimNet power/
connector
•
Not logging No SD card fi tted
Wrong type of SD card
•
•
Install SD card (see
section 2.8)
Install correct type SD
card (see section 2.8)
•
•
No AIS transmission MMSI not entered
Transmit disabled
•
•
Enter MMSI number
Enable Transmit (see
section 6.6)
•
•