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The Low-Profile Swivel Base mounting follows the 
same procedure as for the deck plate except that 
four 1/4"-20 x 2 1/2" truss head screws are used 
to fasten the mounting base and four additional 
1/4"-20 x 2 1/2" truss head screws fix the swivel 
base to the boat deck. 

 

If access to the underside of the deck is not 

available, the deck plate can be mounted using 
screws and wellnuts. Drill 1/2" holes. Use four 1/4-
20 x 2" flat head screws and four wellnuts to mount 
deck plate as pictured. Tighten the screws so the 
wellnuts are firmly compressed. 
 

Where the underside is accessible, the deck 

plate can be mounted using screws, nuts, and 
washers. Drill 9/32" holes. Use four 1/4-20 x 2" flat 
head screws, nuts and washers (flat and lock). 
Fasten plate to deck as pictured. To secure the 
mounting base to the deckplate use four 1/4-20 x 2" 
truss head screws. 

NOTE: When using the telescopic boom, we 
strongly recommend the use of a deck plate on 
all boats to provide adequate stability for the 
downrigger. 

Installing the Base on Your Boat  

Decks up to 7/16" thick 

 

Where access to the underside of the deck is 

not available, the mounting base can be mounted 
using wellnuts. Use the base as a template to mark 
locations and drill four 1/2" holes. Mount the base 
using four 1/4-20 x 4" truss head screws and four 
wellnuts. Tighten the screws so the wellnuts are 
firmly compressed as pictured. 
Decks thicker than 7/16" 
 

For decks thicker than 7/16", or where the 

underside of the deck is accessible, mount the base 
with screws, nuts, and washers. Use the base as a 
template to mark the locations and drill four 9/32" 
holes. Use four 1/4-20 x 4" truss head screws and 
four each flat washers, lock washers, and nuts. 
Fasten the base to the deck as pictured. NOTE: 
Wellnuts 

cannot 

be used on decks thicker than 

7/16". 

Decks thinner than 1/4" 

 

Use a Cannon deck plate to prevent deflection 

and add stability to decks thinner than 1/4". Use the 
deck plate as a template to 
mark the hole locations. 

Deck up to 7/16" Thick 

Deck Thicker Than  7/16"

 

Washers, Lock 
Washers, Screws, 
& Nuts

 

Deck Plate 

Wellnut  

Screws 

Decks up to 
7/16" Thick

 

Base 

Wellnuts 

Decks Thicker 
Than  7/16" Thick 

Washer, Lock Washer, 

and 1/4-20 Hex Nut 

Low-Profile Swivel Base 

MOUNT

I

NG & S

E
TUP 

Base 

AnglingOutpost.com

1-888-356-5022

AnglingOutpost.com

1-888-356-5022

Summary of Contents for Digi-Troll IV

Page 1: ...pg 19 The Effects of Blowback pg 20 Troubleshooting pg 21 Trolling Tips pg 22 Warranty Information pg 23 Cannon Service Policy pg 23 Authorized Service Centers See List Digi Troll IV NOTE Do not retu...

Page 2: ...into the Great lakes in an attempt to revitalize its sport fishing industry From this successful transplant new fishing techniques and equipment were developed One such method was controlled depth fi...

Page 3: ...any boat Mounting Accessories Deck Plates are necessary when extra strength must be added to the base material of the boat and for attaching the downrigger to other mounting accessories Gimbal Mounts...

Page 4: ...tional flat head screws through the top plate for stabilization you will need to drill and countersink Side Rail on T Section Side Rail on Gunwale Pedestal for Additional Height NOTE In no case should...

Page 5: ...ck Where access to the underside of the deck is not available the mounting base can be mounted using wellnuts Use the base as a template to mark locations and drill four 1 2 holes Mount the base using...

Page 6: ...e downrigger frame Be sure that the boom is held securely by seating it firmly against the shoulder inside the fame and fastening the boom locking screw such that it engages the hole in the boom Assem...

Page 7: ...wire cutters is recommended for this part of setup Examine the top of the terminator and note the order shown in the detail to run cable Unwind about 2 feet of cable and thread the cable through the...

Page 8: ...de of the clamp Tighten the nut to secure the rod holder Reposition the rod holder by loosening the nut and adjusting the tilt Single Rod Holder Assembly Star Washer Placement Angled Shoulder Recommen...

Page 9: ...Clean zincs on a regular basis with a non corrosive brush Always make sure the boat is properly grounded to the water This will help ensure proper PIC voltage on the cable and that the Short Stop will...

Page 10: ...r boat s electrical system s ground Malfunctions with the PIC communication between units or loss of operation result from faulty grounding Always check to see if your boat is properly grounded first...

Page 11: ...o the performance of your Digi Troll IV s depth tracking features For best results follow all mounting instructions carefully Where to Mount the Transducer Any location along the bottom edge of the tr...

Page 12: ...ng instructions 2 optional sonar transducer attached to your Master downrigger and mounted according to the instructions in this manual 3 if you have more than one downrigger and you wish to bottom fo...

Page 13: ...NU The Menu moves the display through six screens for programming see section on programming for details After 10 seconds of inactivity on the key pad the screen reverts back to the weight depth displ...

Page 14: ...l IV s menu system in the order of occurrence While programming the UP key is used to increase the value and the DOWN key is used to decrease the value Remember during programming if there is no activ...

Page 15: ...nu From the depth screen press the MENU key twice or once from the Bottom Following screen to enter this menu The first screen allows you to adjust the pause time of the weight between cycling movemen...

Page 16: ...h setting must reflect the actual distance from the boom to the water surface Press the RCL key to display or adjust the cable type setting CA4 indicates a length of 400 feet and CA2 indicates 200 fee...

Page 17: ...same manner Digi Troll IV Factory Settings Your Digi Troll IV was shipped with the following factory settings so that you can use your downrigger immediately without further programming Depth memory...

Page 18: ...our actual voltage may vary Fishing With Your Downrigger After programming your Digi Troll IV release some line from your rod and reel so that the lure is anywhere from 5 to 100 feet behind the boat T...

Page 19: ...ed at the downrigger wire will attract the fish It is best to use a short drop back between the downrigger release and the lure Drop backs of 10 to 20 ft are typical A drop back of 50 to 100 ft will e...

Page 20: ...ent Current drag water salinity and the use of non Cannon products will affect your actual trolling depth As an example the first chart shows that if you are trolling at 4 MPH with an 8 pound weight a...

Page 21: ...the master unit displays MAS at turn on The transducer must be connected to the master Digi Troll IV only If the problem is with a slave Digi Troll IV make sure that it displays SLA at turn on Make su...

Page 22: ...ures in areas where fish might be Skilled fishermen call these areas the strike zones They include the edges of the week beds structure along bottom drop offs preferred temperature of the target speci...

Page 23: ...allow limitations on how long an implied warranty lasts or the exclusion or limitation of consequential damages so the above limitation or exclusion may not apply to you This warranty gives you speci...

Page 24: ...onsibility for the management of waste from their products to achieve environmentally responsible disposal during the product life cycle WEEE compliance may not be required in your location for electr...

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