Note: The switch knob may be re-
moved when it is in the OFF position.
This is a security feature to ensure that
batteries are OFF.
If the engine will not start because
the battery is discharged, the engine
may be started from the house battery
by placing the switch in the COM-
BINE BATTERIES position to get ad-
ditional power from the secondary bat-
tery.
After the engine is started, the switch
should be returned to the ON position
and NOT allowed to remain in the
COMBINE BATTERIES mode. In the
COMBINE position, the drain on the
system will be substantially accelerat-
ed and may eventually discharge both
batteries, leaving the boat stranded on
the body of water.
Bilge pumps will not operate in either the
manual or automatic mode if the batteries
are fully discharged. This condition may al-
low excessive water into the hull which can
damage or sink the boat. Make frequent
checks of battery charge and bilge pump
function when boats are moored and ex-
posed to the elements.
Troubleshooting:
Because battery needs can vary sub-
stantially depending on a number of
factors in usage from boating locations
to number of electrical components on
the boat, MasterCraft does not place a
specic battery or batteries in the boat.
The company strongly encourages you
to discuss this critical matter with your
authorized MasterCraft dealer prior to
purchase and placement of the battery
in the boat. All batteries must have 750
cca (cold cranking amps). Less can re-
sult in too-fast discharge of the battery
charge and may leave boaters stranded
on the body of water. Spiral cell batter-
ies are recommended.
Review all electrical information
provided in this Owner’s Manual prior
to rst time operation of the boat.
Low Voltage Battery Alarm
Models:
All.
Purpose:
In the event that the stereo has been
functioning when the boat is not ON
and running, the voltage drain on the
battery (or batteries) may result in dif-
culties with re-starting the boat. It may
also cause intermittent erroneous or
uctuating gauge readings. When the
voltage level reaches 10.5 volts or be-
low, the system will shut off the stereo
and sound the alarm.
Location:
Internal and unseen.
Operation:
Generally, the appropriate action
is to leave the stereo OFF, as well as
disengaging any other peripheral elec-
trical components, and keying ON the
engine. Running the engine at a moder-
ate rate for several minutes without the
additional drain of stereo and unneces-
sary electrical equipment will allow the
Boat Operations • 2014 MasterCraft Owners Manual Page 4-5
B O A T O P E R A T I O N S
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