Section 3 - On the Water
Page 44 90-879172181 eng FEBRUARY 2011
Low Speed Trim
In controlled speed zones, many boats start to fall off plane as speed decreases, thereby reducing
visibility. In automatic control or manual control, lowered trim tabs keep the boat on plane longer at
lower speeds while maintaining a level boat attitude.
Special Digital Throttle and Shift (DTS) Features
The DTS system features several alternate operational modes for the electronic remote control (ERC) levers. Most of the listed
features can be operated simultaneously and can help you with:
• Warming the engines.
• Trolling the vessel.
• Docking the vessel.
• Synchronizing the engines.
• Multi‑helm station transfer.
28090
ERC with DTS trackpad
Item Control Function
a "NEUTRAL" lights
Illuminate when the transmission is in the neutral gear position. The lights flash
when the engine is in throttle only mode.
b "TROLL"
Troll reduces the propeller speed to lower than that of engine speed for the first
30% of lever travel.
c "TRANSFER"
Allows boat control to be transferred to a different helm. Refer to Helm Transfer.
d "DOCK" Reduces the throttle capacity to approximately 50% of normal throttle.
e "THROTTLE ONLY"
Allows the boat operator to increase engine RPM for warm‑up, without shifting the
transmission into gear.
f "1 LEVER"
Enables the throttle and shift functions of all engines to be controlled by the
starboard lever.
g "SYNC"
Turns the auto‑synchronization feature off or on. Refer to Synchronizing
Engines.
h "+" (increase) and "–" (decrease)
Increases and decreases idle speed only. The RPM range varies depending on
application and engine model.
NOTE: Not all functions may be active.
Troll and Throttle Response
Troll mode allows the vessel to operate at very low speeds by controlling the transmission. The transmission is capable of reducing
the propeller speed lower than the engine speed. Lever control is adjusted so that trolling occurs within the first 30% of lever travel.
From 31% to 100% lever travel the engine operates between idle speed and maximum rated engine speed.
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