Fishing Th Eory - Cannon DIGI-TROLL 5 Owner's Manual

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Fishing With Your Downrigger
After programming your Digi-Troll, release some
line from your rod and reel so that the lure is anywhere
from 5 to 100 feet behind the boat. This is called drop
back. Attach the fi shing line fi rmly into the line release.
Press and hold the down key to lower the weight to the
desired depth as indicated on the display or select a
pre-programmed weight depth. Place the fi shing rod in
the rod holder and reel up the slack so that your rod has
a slight bend in it. When a fi sh strikes the lure, the line
will separate from the release. Then you will be free to
fi ght the fi sh and bring it in on your rod and reel.
Manual Descent
By turning the clutch knob gently clockwise (toward
the boom), you can let your trolling weight descend as
fast or as slowly as you wish. Turning the knob counter-
clockwise (away from the boom) stops the weight. This
gives you control to let it plunge rapidly or sink slowly to
a predetermined trolling depth. With multiple downrig-
gers, you could start all your weights creeping down,
one at a time, and then stop them each in turn.
Note: In order to track line out, the Digi-Troll must
be turned on.
WARNING—DO NOT TOUCH THE CABLE REEL
WHILE THE DOWNRIGGER IS IN USE!
The Short Stop System
The Short Stop system is composed of three criti-
cal components: the electronic unit, the reel conductive
path, and the trolling weight insulator.
While the downrigger cable is in the water, there is
a minute electrical current that fl ows between the cable
and the grounded metal boat components in the water.
When the cable clears the water, this current fl ow will
stop. The Short Stop system senses this interruption
and turns off the motor. The trolling weight insulator is
used to break the cable contact to the water while the
weight is still in the water. The reel conductive path al-
lows the circuit path to be made through the structure of
the downrigger.
NOTE: It may be necessary to use two trolling
weight insulators.
NOTICE: Short stop and Positive Ion
Control features do not function when
spooled with monofi lament or super
lines or if the boat is not properly
grounded.
Stopping the weight at water level eliminates the cable
strain caused by bouncing weights or weights hitting
2 4
the boom end. Stopping at water level will also keep the
weight from hitting the boat hull.
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The Positive Ion Control System
Your boat has an electrical charge around the hull in
water. If a boat is properly grounded and has a proper
zinc anode, that charge should be slightly positive when
measured from ground to the downrigger cable. Positive
Ion Control (PIC) is the use of electricity to control that
charge and its fl uctuation so that it is always maintained
at a specifi ed set voltage.
The practice of setting up and maintaining a slight
positive charge on fi shing gear has been used by com-
mercial fi shermen for many years. This practice has
enabled some fi sherman to increase yield when used
along with other good fi shing and boating practices.
Cannon's electric downriggers offer fi shermen a big
advantage in being able to stabilize and control the posi-
tive charge around their boat. Because of the composite
construction of the frame, Cannon downriggers are
insulated from your boat's hull charge.
When the stainless steel downrigger cable is low-
ered into the water, the natural ionization between the
cable and the boat creates a positive charge of 0.7 to
0.9 volts in saltwater and 0.3 to 0.6 volts in fresh water.
This natural voltage is dependent upon salinity and min-
eral content of the water. Your actual voltage may vary.
Cable Terminator
Weight Insulator
1-888-356-5022
1-888-356-5022