11
SmartCraft gateways
Installation and Operation Manual
NAVMAN
3-3 Troll control
Troll control allows adjustment of the engine’s idle
speed from the Navman instrument. Troll control
automatically controls the engine idle speed to
maintain a set engine RPM or boat speed.
To use troll control, set
Troll window
to
On
idle
or
Always
and set
Troll mode
to
Speed
or
RPM
(see section 3-7). To use speed troll control,
set
Speed type
to
Paddle
(see section 3-7).
To prohibit troll control, set
Troll window
to
Never
(see section 3-7).
Engaging troll control
1 Set the throttle(s) to idle and the engine(s) in
gear. From a main display, press
to
display the Troll control window (see right).
2 Press or to set the desired RPM or boat
speed (see notes 1 and 2).
3 Press to engage troll control. The FISH
4380 automatically controls RPM or speed. Or,
press to leave troll control disengaged.
Changing RPM or speed while troll
control engaged
1 From a main display, press
to display
the troll window.
2 Press or to change the desired RPM or
boat speed (see notes 1 and 2).
3 Press .
Disengaging troll control
Either move the throttle from idle, or:
1 From a main display, press
to display
the troll window.
2 Press to disengage troll control.
Or, press to leave troll control engaged.
Note:
1 The range of engine idle RPM adjustment
available for both RPM and speed mode
depends one engine type. Generally this is
between 600 and 1000 RPM.
2 In speed troll control, the boat might not
reach the desired speed if the maximum RPM
available for troll control is too low or if condi-
tions are bad.
3 Troll control is not available on some Mer-
Crusier™ engines.
Tank level display
The tank level display shows the levels from the op-
tional level sensors in one or two tanks per engine
(see section 1-1-1).
Note:
Each tank must be set up and calibrated (see
section 3-8-1).
An alarm can be set to sound if the level in a
tank is low (see section 3-8-1). These alarms
are in addition to any SmartCraft engine fault
low level alarms (see section 3-5).