7 Maintenance.
Follow these simple procedures to ensure your
FF918-CWLS continues to deliver top performance.
7.1 If the unit comes into contact with salt spray, wipe the
affected surfaces with a cloth dampened in fresh water.
7.2 Do not use a chemical glass cleaner on the less - this
may cause cracking in the lens.
7.3 When cleaning the LCD protective lens, use a
chamois and non-abrasive, mild cleaner. Do not wipe
while dirt or grease is on the lens. Be careful to avoid
scratching the lens.
7.4 If your boat remains in the water for long period of
time, marine growth can reduce the effectiveness of the
transducer. Periodically clean the face of the transducer
with liquid detergent.
7.5 If your boat remains out of the water for a long period
of time, it may take some time to wet the transducer when
returned to the water. Small air bubbles can cling to the
surface of the transducer and interfere with proper
operation. These bubbles dissipate with time, or you can
wipe the face of the transducer with your fingers after the
transducer is in the water.
7.6 Never leave the unit in a closed car or trunk - the
-11-
Press the POWER-MENU key until CHART SPEED menu appears.
Select from 1-9 to increase or decrease the chart speed,where 1
is the slowest and 9 is the fastest chart speed. (1 to 9)
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