MasterCraft NXT20 2023, Owner'S Manual

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the drain placed on the engine battery, the stern thruster has
its own dedicated battery. The thruster battery is located in the
observer compartment and may be switched on and off using the
corresponding battery switch, which is found in the walk-through
leading to the bow.
Troubleshooting
If the stern thruster is unresponsive, make sure the dedicated
thruster battery switch is in the ON position. If the stern thruster
battery is active, yet the stern thruster still fails to respond, use
the touchscreen diagnostics menu to reset the circuit.
The thruster is connected to PDM 3 and should be reset from the
corresponding page within the diagnostics menu. If none of these
procedures fix the problem, consult an authorized
MasterCraft dealer.
SALT WATER ANODE
Models
All except ProStar, as part of
the Salt Water Package option.
Purpose
If the boat is operated in salt, polluted, or brackish waters, even
temporarily, the boat should be equipped with a transom-mounted
aluminum anode to protect submerged metal parts.
The aluminum is, by design, self-sacrificing. It is slowly eroded
away by electrolytic action and requires periodic inspection for
deterioration. When the aluminum has eroded to approximately
one-half (1/2) of its original size, it must be replaced to continue
protection, or damage to other metal parts may result.
Location
The anode is mounted on the transom.
Operation
There is no operation required. Boat owners should periodically
examine the anode to determine how much erosion has occurred
and consult an authorized MasterCraft dealer to determine the
appropriate time to replace it.