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FISH FINDER

User Manual

INTENDED USE

This high-quality sonar fish finder is especially designed for both professional and 

novice fisherman with trouble-free use in a variety of water areas, to find out the 

location of fish, and depth and bottom contour of water. It can be used in ocean, 

river, or lake, and is fantastic for detecting schools of fish in any particular area.

OPERATION

Simply attach the wireless sonar sensor to the end of your fishing line and cast it 

into the water as you would in a normal float or lure, then power on the main unit 

and you are ready to fish. The fish finder uses sonar technology to send sound 

waves from the wireless sonar sensor into the water.                                            

.    

 

  

The returned “echoes” are transmitted with wireless technology to the display unit 

and plotted on the LCD. New information appears on the right. As this information 

moves to the left, a very accurate picture of the underwater world is created, 

including the depth of underwater objects such as the bottom, fish, and structures.

WARNING!

1. Shock from the abrupt contact with rocks can damage your sensor and the     

  erratic readings may occur in shallow water, we recommend to use your   

    sensor in water 

deeper than 2 feet (0.7 meters)

 only.

2. In addition, because of the nature of sonar, this product is not intended to use 

    in swimming pools or small enclosed bodies of water.

Warning!

Discard the used wireless sonar sensor in compliance with local laws as you 

would in any electronic component or battery.                                            

.    

NOTE:

 When the wireless sonar sensor supplied in the set is broken and you 

have to replace, the new sonar sensor need to re-code before using.

Re-code procedures as below:                                               

.                

a. Place the new wireless sonar sensor in

    the water to turn on.

b. Press the          button to power on the

    main unit and enter the normal detection

    interface (Wireless mode).

c. Press and hold the      button on the main unit, wait for 4 beeps and 

   then release. The number at the top of the screen starts to count from 

    1 to 16.

d. When the number stops counting, it indicates that the re-coded is

successfully. The number that stays is the corresponding code of the main 

unit and the probe, and the detection information will appear on the screen.

SCREEN DISPLAY DETAILS

SENSOR DETAILS

MAIN UNIT DETAILS

1. USING THE WIRELESS SONAR SENSOR

2. USING THE MAIN UNIT

Working indicator

(Blue LED light)

Charging port

Charging indicator

(Red LED light)

Fish attractive

lamp

Contacts

Charging indicator

(Red LED light)

Hole for fishing line

ZOOM

MODE

MENU

FISH FINDER

Water Temperature

Water depth

Sensitivity

Depth upper limit

Water surface

Depth lower limit

Bottom contour

Fish icon with depth

Battery Indicator

Sensor connected indicator

• Charging the wireless sonar sensor

a. Please charge the sensor first if it couldn't be turned on when it is put in the 

water. The red LED light will be on when it is charging and off after being fully 

charged.         

.    

• Powering on and off the wireless sonar sensor

a.  Power  on:

  The Advanced Wireless Sonar Sensor has built-in rechargeable 

lithium battery and contacts at the bottom that perceive when it is immersed in the 

water. These contacts turn on the Wireless Sonar Sensor and its fish attractive 

lamp, and begin transmitting the sonar information via RF to the display of main 

unit. 

         

.    

 

b.  Power  off: 

The wireless sonar sensor automatically stop working a few 

seconds after being pulled out of the water.                                       

.    

• Attaching the wireless sonar sensor

a. Lock the cover of the sensor after charging to prevent damage caused by water 

leakage. 

         

.    

b. Insert the fishing line (installed in the rod) into the hole and secure it with a 

couple of knots then cast it into the water as you would in a normal float or lure.

Water

Press

and hold

number 1-16 loading

Wireless

Sensor

User mode

Wireless

MENU

ZOOM

MODE

MENU

FISH FINDER

ZOOM

MODE

MENU

FISH FINDER

Antenna

LCD display

Zoom Button

Mode Button

Left Arrow Button

Right Arrow Button

Power / Menu Button

ZOOM

MODE

MENU

FISH FINDER

SCAN THE QR CODE

to download USER MANUAL

in different languages

Need more help?

CONTACT US.

TUTORIAL VIDEO ON HOW TO USE 

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www.danoplus.com/dp-104

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