and the left side of the switch controls the port plate. On the single
plate system, there is only one switch control.
The system is set up this way to minimize the guesswork while
underway. To lower the starboard bow, press the right (starboard)
switch where it reads DOWN. To lower the port bow, press the left
(port) switch where it reads DOWN. On the single plate system,
press DOWN.
Since our models have different weights, lengths, speed and per-
formance, it will take some practice for the operator to understand
how your boat reacts with the attitude adjustment plates installed.
The plates will allow your boat to get on plane faster and continue
planing at lower speeds. This will improve visibility and the overall
safety of your boat. When making adjustments with the atti-
tude adjustment plates, use short momentary taps of the
switch. Continued practice will help you become familiar with how
the plates perform.
Special Conditions
Head Sea: Lower both plates by tapping slightly BOW DOWN
on both sides of a dual system, BOW DOWN on a single system. This
will bring the bow down while maintaining speed. This also allows the
hull of the boat to absorb the impact of the waves. This adjustment
willresultinamoreefcientandsmootherride.Changesshouldbe
made in small increments to ensure maintaining control of the boat.
Following Sea: Make sure the plates are fully retracted by pressing
BOW UP on both sides of a dual system, and BOW UP on a single
system. This will bring the plate(s) up to a fully retracted position,
decreasing lift in the stern and allowing the bow to rise. If the plate(s)
is/are deployed, the bow may dig.
Windy Chop: To raise the windward side of the boat on dual sys-
tems,pressBOWUPonthatside.IfthisisnotsufcientpressBOW
DOWN on the leeward side of the boat. Do not over-trim when at
-
tempting this. This will allow the windward side of the boat to rise and
will minimize spray.
Shallow Water/Hole Shot: Lower both plates completely on a dual
system by pressing BOW DOWN on both sides (the single plate on a
single system). This provides lift in the stern of the boat and will keep
the bow down. As you throttle up and speed increases, raise the tab(s)
by pressing BOW UP on both sides of a dual system, and BOW UP on
the single system.
Uneven Load: When equipped with a dual system, if one side of
the boat is higher than the other while running, press BOW DOWN
on the switch on that side. This will lower the tab on the listing side
(low side) to bring the boat level.
Porpoising: To stop porpoising, press BOW DOWN on both sides
of a dual plate system, BOW DOWN on a single system. The plate(s)
needs only to be deployed slightly to correct this adverse situation.
While operating attitude adjustment plates use caution.
Improper use of plates can cause accidents, which may
result in serious injury or death.
While the boat is underway do not move one plate up or
down significantly as this may cause listing.
While at higher speeds do not over-trim, as this will
cause the bow to lower quickly, resulting in a reduction
of speed and may cause the boat to veer.
When in following seas or when running an inlet, the plates
should be fully retracted. is will allow for optimal perfor-
mance.
ELECTROMECHANICAL ACTUATORS PROVIDE
AN INSTANT RESPONSE. WHEN MAKING ADJUST-
MENTS, USE SHORT MOMENTARY TAPS OF THE
SWITCH.
Ballast Empty/Fill Switches
(On Ballast-equipped Models Only)
On boat models equipped with a ballast system,
a separate three-position switch will allow for the
llingoremptyingoftheballasttanksand/orbags.
Be aware that the engine must operate at
1500 RPM during the ll and empty pro-
cesses. Check engine specications for related
engine idle speed, which may be too low for the
empty/lloperationtobeproperlyaccomplished;
it is likely that the boat will need to be in motion
duringthellingandemptyingoftheballastsys-
tem. Failure to increase engine RPM to the required level may result
in malfunction or permanent damage to the ballast pumps that force
the water through the system. Such damage is not covered under your
warranty. The ballast controls vary in location by model, and the oper-
ator should determine exact location prior to use. The three-position
switches are clearly marked; FILL, OFF (in center), and EMPTY.
An LED light is in the tip of each switch. At the conclusion of the
FILL process, the light will blink six times in succession, pause for two-
to-three seconds, and then blink an additional six times. This signals
that the FILL process is complete. If the system senses any potential
problems,theLEDlightsmayblinkfromonetovetimes(eachsigni-
es individual issues). If this occurs, see an authorized MasterCraft
dealer for analysis and correction. Do not attempt to correct the issue
on your own or continue to FILL the ballast as it may result in damage
to the system.
Manual and Automatic
Bilge Pump Switch
(All Models)
The bilge pumps on all V-drive models will
be in the automatic mode when the ignition
key is turned ON. Some models may have
two (2) switches, one for the forward bilge
and one for the aft. In these instances, the
switches will be marked. The manual and automatic bilge discharge sys-
tem is never completely off. When in the automatic (default) position,
a sensor alerts the system to discharge water from the bilge area. Boat
operators are advised to leave the switch in the automatic position, un-
less there appears to be excess water in the bilge. In that event, the bilge
pump can be manually activated by turning the bilge pump switch to the
mastercraft 2010 ow n e r ’s m anual • page 5-2
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