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Fish ID 

 
The Fish ID menu controls the method used to portray fish. There are 
three selections available: ID Off, ID On, ID+. The factory setting is ID+. 
With ID Off, sonar returns are displayed as "raw" information. There is no 
interpretation made by the unit. Selecting ID Off will also disable the Fish 
Alarm if selected. 
 

 

 
ID On enables the Wide 128 to interpret the raw sonar data and using a variety of techniques, depicts 
appropriate returns as one of three different size fish symbols. 
 
Use the arrow buttons to highlight the desired setting. 
 
 

USING DIAGNOSTIC 

 
The Wide 128 contains a powerful diagnostic tool which can aid in 
determining the cause of a problem. To enable Diagnostic, power the unit 
on and use the DOWN ARROW button to highlight the Diagnostic option 
on the initial screen. Diagnostic can only be accessed at power-up. 
 
After the menu times out, the first of two diagnostic screens will appear. 
Upon enabling diagnostic, the Wide 128 will perform a self-test. This test 
confirms the operation of all internal circuitry. At the conclusion of the test, 
one of two messages will appear; "passed" indicates that the internal test 
discovered no failures. "Failed" indicates that a significant internal problem 
was discovered and the unit will require factory service. In conjunction with 
the failed indication will be a code which indicates to the repair personnel 
where the problem is. 
 
Press MENU to advance to the second Diagnostic screen. 
 
 

The second Diagnostic screen shows transducer connection and voltage input. 

The voltage 

input category is especially helpful in diagnosing input voltage problems. The current input voltage will be 
displayed. If voltage fluctuations or power supply in excess of 16 VDC or less than 10 DC is suspected, 
use the diagnostic screen to confirm input voltage. Often, small outboard motors do not effectively 
regulate voltage when operated at high engine speeds. Use Diagnostic while running the boat at high 
speeds to show the voltage gain. Also, if you are using the Wide 128 in portable configuration or from the 
trolling motor battery, Diagnostic can be used to evaluate the health of the battery by showing the current 
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Summary of Contents for Wide 128

Page 1: ......

Page 2: ...our number listed in the Customer Support section INSTALLATION OVERVIEW Your Humminbird fishfinder consists of two primary components to install the control head and the transducer The control head c...

Page 3: ...should the boat strike debris in the water or when trailering As an alternative to transom mounting it is possible on many fiberglass hulled boats to glue the transducer on the inside of the boat hull...

Page 4: ...other surface Trolling Motor Mounting The standard transducer can also be adapted to mount on most trolling motors using a different accessory kit This accessory includes a bracket and hose clamp that...

Page 5: ...minbird fishfinder The installation guide included on the next few pages provides detailed step by step instructions for installation of the control head and transducer For transom mount transducer in...

Page 6: ...the propeller s This turbulent water is normally confined to areas immediately aft of ribs strakes or rows of rivets on the bottom of the boat and in the immediate area of the propeller s Figure 1 On...

Page 7: ...g a 5 32 4mm bit drill the two holes to a depth of approximately 1 3cm On fiberglass hulls it is best to start with a smaller bit and use progressively larger drill bits to reduce the chance of chippi...

Page 8: ...ation after high speed testing 1 First adjust the pivot angle of the transducer body so its length is parallel with the length of hull of the boat Then pivot the transducer down so the rear is about 1...

Page 9: ...erference If the cable is too short extension cables are available to extend the transducer cable up to a total of 50 15 m Call Humminbird Customer Support for more information Follow these steps to r...

Page 10: ...hull to install the transducer Consider the following to find the best location Observe the outside of the boat hull to find the areas that are mostly free from turbulent water Avoid ribs strakes and...

Page 11: ...dry the mounting surface If the surface is excessively rough it may be necessary to sand the area to provide a smooth mounting surface Ensure the mounting area is clear and dry 3 Mix an ample quantit...

Page 12: ...y supported to protect the fishfinder from excessive wave shock and vibration and provide visibility while in operation The mounting area should allow sufficient room for the unit to pivot and swivel...

Page 13: ...holes Figure 22 Note if the cables must pass through the mounting surface at a different location drill the 1 25mm hole at that location and pass the cables through from underneath Also you must break...

Page 14: ...ll the excess cable from beneath the mounting surface so the connector holder aligns with the mounting holes on the front of the mounting bracket Figure 27 3 Snap the support plate to the rear of the...

Page 15: ...rmal operation unless you choose another option If you do not press any button before the timer reaches 0 the normal operation screen is displayed If the boat is in water sonar data appears If the bot...

Page 16: ...ly connected Ensure that the boat is in water greater than 2 but less than 600 deep and that the transducer is fully submerged Remember that the sonar signal cannot pass through air Refer to the troub...

Page 17: ...c display is shown to the right of the graphic information The upper number is 0 indicating the surface of the water the lower number is one of the 9 ranges available which best matches the depth of t...

Page 18: ...ries with boat speed and direction The best way to learn to interpret structure is to operate the Wide 128 over a variety of known conditions and experiment with user functions to best represent those...

Page 19: ...have different sonar characteristics so it is not always possible to distinguish fish size between varying species The signal intensity is normalized for depth so that a small fish close to the boat...

Page 20: ...e current setting Within the menu are the options available The selected option or current setting is highlighted in the black box If no adjustment is made this will be the selected setting Pressing o...

Page 21: ...the 0 30 range would be selected This provides the best display resolution and therefore the best target separation possible The Depth Range can be adjusted manually Press MENU repeatedly until the D...

Page 22: ...face to the bottom In Manual Zoom the Zoom range does not move as the terrain changes To operate Zoom Press MENU repeatedly until the Zoom menu is on screen Three options are available Off Factory Set...

Page 23: ...of fish or other targets not connected to the bottom The Fish Alarm has 3 different settings which correspond to the 3 different size fish symbols shown on screen To enable Fish Alarm press the MENU...

Page 24: ...firms the operation of all internal circuitry At the conclusion of the test one of two messages will appear passed indicates that the internal test discovered no failures Failed indicates that a signi...

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