Battery Charger
(Where Equipped)
As a convenience, a bat-
tery charger is oered as
an option. The charger is
designed to recharge the bat-
teries and also to extend the
battery’s life in applications
where it is stored for long
periods of time. These are
three-stage electronic char-
gers, completely automatic,
lightweight, and silent. Unlike
most automotive chargers, this charger will not boil o the electrolytes in properly installed
and maintained batteries. The red and green LED lights, which are mounted on the charger
face, indicate when the unit is recharging and maintaining the batteries.
Before charging a battery, do not operate the charger if the cables or an LED is dam-
aged. Be sure that all accessories are OFF. If the battery or batteries must be removed
from the product, always remove the grounded terminal from the battery first. Be sure
that the area around the battery is well ventilated while the battery is being charged. Also
ensure that the battery terminals are free of corrosion. (See the Scheduled Maintenance
section of this Owner’s Manual for additional battery information.)
If the battery charger ever appears to be malfunctioning, see your authorized Master-
Craft dealer for assistance.
When charging, batteries generate small
amounts of dangerous hydrogen gas. This
gas is highly explosive. Keep all sparks,
flames and smoking well away from the
area. Failure to follow instructions when
charging a battery may cause an electrical
charge or even an explosion of the battery, which could result in death or
serious injury.
Cruise Control Gauge
(Where Equipped)
Boats equipped with cruise control systems come
with short manuals that describe how to operate and
maintain the cruise control system. Refer to the appro-
priate manual prior to operation of the system. Boats
featuring the “simple” cruise system function the same
as an automobile with an ON/OFF switch and +/- to in-
crease or decrease speed.
Engine Oil Pressure Gauge
(All Models)
The engine oil pressure gauge indicates the pres-
sure of the lubricating oil inside the engine. The av-
erage pressure ranges are between six (6) pounds
per square inch (PSI) at 1000 RPM to 40 PSI or more
at cruise-range speeds. A reading of pressure below
5 PSI at 1000 RPM may be caused by a low oil level
or other potentially serious problems that result in
low oil pressure, causing a red warning light to ap-
pear at the bottom of the gauge. If you experience
low oil pressure, stop your engine immediately
and check your oil level before operating again.
2013 MasterCraft Owners Manual • Electronic Instrumentation • Page 3-8
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