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www.MarCumtech.com

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HOW TO OBTAIN SERVICE

If your 

system

 is malfunctioning, check the

  troubleshooting 

section of our website. You may 

find that the solution to your problem is something you can resolve yourself. If you need to 

send it in, there is no need to contact our office. Getting repairs made is as simple as 

going to our website, 

www.

Mar

C

umtech.com clicking the support tab and then filling out 

the MarCum Warranty 

Claim

.

If your 

system

 is under warranty, be sure to attach a picture/scan of your proof of purchase 

with date included. If your system is out of warranty, we have 

flat

 

rate fee that will cover the 

cost of repairs, including parts and labor. You will find the non-warranty 

claim

 on our support 

site.
Once you have completed and submitted a claim form, package the unit as described on the 

website and ship it to us.

Some people are more comfortable calling for shipping instructions. During peak ice season, we 

sometimes  receive  a  high  volume  of  calls,  making  it  impossible  to  get  to  all  customers  who 

phone in. For this reason, strongly consider using the on-line forms at www.marcumtech.com/

support

 or the "Live Chat" option.

 

OUR ADDRESS:

MARCUM TECHNOLOGIES

ATTN: SERVICE DEPT.

3943 QUEBEC AVE NORTH

MINNEAPOLIS, MN 55427

Please send your email inquiries to service@

marcumtech

.com

If you are unable to use email or internet, you may call us at 763-512-3987.

Our office hours are Monday – Friday, 8 – 4 Central Time.

International callers may use 888-778-1208.

The  customer  is  responsible  for  shipping  costs  associated  with  returning  the 

system

  to 

MarCum Technologies. MarCum will pay for shipping the repaired 

system

 back to the customer 

while it is still under warranty. All out of warranty services will be charged a fee for service and 

shipping which must be paid in advance. The unit should be securely packed and shipped “pre-

paid freight” and insured to MarCum Technologies. It is the customer’s full responsibility to track 

their products sent out in the mail or other forms of delivery service. MarCum Technologies 

will not be liable for packages lost en route to us. Unless specified otherwise, do not include 

batteries or other acces-sories when returning the product for repair. MarCum Technologies will 

not be responsible for lost or damaged accessories. Turnaround time can vary, on average it is 

about 1 week.

Summary of Contents for M3

Page 1: ...M3 3 Color Ice Sonar User Manual www MarCumtech com ...

Page 2: ...em completely dried out as soon as possible BATTERY CHARGING Your MarCum system comes with a 3 stage battery charger This style of charger has proven to be the most effective and easiest to use of all charging systems available Because this is a 3 stage charger there is no danger of overcharging your battery When properly cared for a sealed lead acid battery will last for at least a couple of year...

Page 3: ...p Your M3 comes virtually ready to fish All you need to do is hook up the positive lead from the M3 power cord to the battery Your M3 is delivered with a charged battery so you can take it fishing right away Inside the M3 deluxe softcase is an electronics shuttle that has recessed compart ments for the battery and the single beam transducer Take the transducer out of the recessed holder and rotate...

Page 4: ...tion of the various system functions Range Select The Range select knob is used for turning the M3 on or off as well as choosing the correct depth range The M3 offers four depth ranges to choose from that can be selected by rotating the knob clockwise The depth ranges are 20 40 80 or 160 feet The depth range setting is determined by turning the unit on and turning the Gain knob looking for a solid...

Page 5: ...ly enhance the precision of your presen tation and show that multiple smaller targets might exist on the left half Zoom where it appears that one larger target is showing on the right normal display You can determine the size of your Zoom window the width or amount of water viewed within the water column by depressing the ZM key If you depress the key once turning Zoom ON the window is 5 feet on t...

Page 6: ...edge of the signal or out of the transmit beam altogether This will make it difficult or impossible to pick it up on the display Dead Zone All sonar units will have a dead zone in certain circumstances This occurs on sharp drop offs where the transmit beam cone hits the shallower edge of the drop off and returns before the deeper edge returns This in effect creates an undisplayed area between the ...

Page 7: ...r using the on line forms at www marcumtech com support or the Live Chat option OUR ADDRESS MARCUM TECHNOLOGIES ATTN SERVICE DEPT 3943 QUEBEC AVE NORTH MINNEAPOLIS MN 55427 Please send your email inquiries to service marcumtech com If you are unable to use email or internet you may call us at 763 512 3987 Our office hours are Monday Friday 8 4 Central Time International callers may use 888 778 120...

Page 8: ...www MarCumtech com www MarCumtech com MarCum Technologies 3943 Quebec Ave N Minneapolis MN 55427 MarCum User Manuals are available for downloads from www MarCumtech com 2019 0313 ...

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