Mercury 135 Verado Manual page 84

5. 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.
6. 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 while moving
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.
7. 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
76
capacity to