Maintenance
Preventive maintenance
The unit does not contain any field serviceable components. Therefore, the operator is
required to perform only a very limited amount of preventative maintenance.
It is recommended that you always fit the supplied protective cover when the unit is not in
use.
Cleaning the display unit
A proper cleaning cloth should be used to clean the screen, where possible. Use plenty of
water to dissolve and take away salt remains. Crystalized salt may scratch the coating if using
a damp cloth. Apply minimal pressure to the screen.
Where marks on the screen cannot be removed by the cloth alone, use a 50/50 mixture of
warm water and isopropyl alcohol to clean the screen. Avoid any contact with solvents
(acetone, mineral turpentine, etc.), or ammonia based cleaning products, as they may
damage the anti-glare layer or plastic bezel.
To prevent UV damage to the plastic bezel, it is recommended that the sun cover be fitted
when the unit is not in use for an extended period.
Cleaning the media port door
Clean the media port door regularly to avoid salt crystallization on the surface, causing water
to leak into the card slot.
Checking the keys
Make sure that no keys are stuck in the down position. If one is stuck, wiggle the key to free it
back to normal.
Checking the connectors
The connectors should be checked by visual inspection only.
Push the connector plugs into the connector. If the connector plugs are equipped with a
lock, ensure that it is in the correct position.
NMEA Data logging
All serial output sentences sent over the NMEA TCP connection are logged to an internal file.
You can export and review this file for service and fault finding purposes.
The maximum file size is predefined. If you have added several other files to the system (file
recordings, music, pictures, PDF files), this may reduce the allowed file size for the log file.
The system logs as much data as possible within the file size limitation, and then it starts
overwriting the oldest data.
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Maintenance | S2009-2016 Fish Finder User Manual
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