Maintenance
BACKLIGHT ADJUSTMENTS
The monitor backlight level is automatically adjusted to the calibrated value when a colour
scheme is selected. Three levels of backlight corresponding to the three colour tables have
been defined during the colour calibration process.
MANUAL ADJUSTMENT
The monitor Pot meter is disabled. To adjust the backlight level, press the key combination
“Ctrl +” or “Ctrl –“ to increase or decrease the backlight level from the predefined backlight
value. The minimum display brightness is maintained for keeping the ECDIS alarms visible
under any conditions.
WARNING
Changing manually the backlight level may alter the colours used in ECDIS.
COLOUR DIFFERENTIATION – CHART 1
The presentation library contains colour differentiation test diagram to check that the display
can be use to discriminate important features by colour. The cell called AA5C1W00 displayed
at the scale 1/25 000 and located at 15N, 5W contains several coloured differentiation
diagrams. To access the Chart1 cell, open Chart handling, select Chart1 tab and double click
on one of cells in the list. Data will loaded and appropriate cell displayed. Use scroll and zoom
tools to review other neighbour cells from Chart1 collection.
MAINTENANCE
POWER – UPS -
BATTERIES CARE
For the best preventive maintenance, keep the area around the UPS clean and dustfree.
For full battery life, keep the UPS at an ambient temperature of 25 C.
REPLACING BATTERIES
• Turn off and unplug the computer from the UPS.
• Turn off the UPS and unplug the power cord from the power source and wait 30 seconds.
• Turn the UPS over and remove the power cord and the screws holding the battery door in
place on the bottom of the UPS. Slide the door off.
• Pull out the battery by grasping the removal tabs.
• Disconnect the two wires connecting the battery to the UPS.
• Connect the battery wires of the new battery, red to positive, black to negative.
• Carefully place the new battery into the case
• Slide the door on and reconnect the power cord to the power source. Turn on the UPS.
• Reconnect the computer to the UPS. Turn on one item at a time.
TESTING NEW BATTERIES
Press the Hold button for three seconds to initiate the battery test. The UPS automatically
distributes some of the load to the batteries for 15 seconds and tests the battery’s
performance. If there is a problem with the batteryб the UPS returns to normal mode and
alarms beeps.
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