Mercury 135 Verado Manual page 64

4. Troll button ‑ Pressing the "TROLL" button activates troll
control. The troll control feature allows the boat operator to set
the engine speed for slow speed cruising or maneuvering. To
activate, move the control handles into forward detent and
press the button. Use the ‑ or + buttons to decrease or
increase speed, up to a maximum of 1000 RPM. If troll control
is set at a desired speed and then shut off, the system
remembers the set speed and will return to that speed when
re‑engaged. To turn off the troll control press the "TROLL"
button, move the throttle to a different speed, or shift the
engine into neutral.
5. Transfer button ‑ Pressing the "TRANSFER" button allows
engine operation to be transferred from a different helm. Refer
to Helm Transfer.
6. Dock button ‑ Pressing the "DOCK" button initiates docking
mode. Docking
approximately 50% of normal throttle. To turn off docking
mode, shift the engine into neutral and press the "DOCK"
button.
7. Throttle only button ‑ Allows the boat operator to increase
engine RPM for warm‑up, without shifting the engine into gear.
To engage throttle only, move the control handle into the
neutral position. Press the throttle only button and move the
control handle ahead to the forward detent. The horn will
sound once and the neutral light will start flashing. The horn
will sound twice when throttle only is engaged. Advance
throttle to increase engine RPM. To disengage, return control
handle to neutral position and press the throttle only button.
Engine RPM is limited to prevent engine damage.
8. 1 lever button ‑ Pressing the "1 LEVER" button initiates single
lever mode. Single lever mode enables the throttle and shift
functions of both engines to be controlled by the port control
handle. To turn off single lever mode, shift the engine into
neutral and press the "1 LEVER" button.
FEATURES AND CONTROLS
mode reduces throttle
56
capacity to