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Thank you for choosing           FF918 boat fish finder.This amazing product is 
especially designed for amateur and professional fishermen alike, to find out the 
location of fish , depth and bottom contour of water.
The unit can be used in ocean, river or lake and is fantastic for detecting schools of 
fish in any particular area.
Using amazing and innovative technology, this portable fish finder is the ideal tool to 
bring the fish to you!

The FF918 is a combo unit that allows you to choose either Transducer user mode or 

SI

MULATI

ON

 user mode. This manual for transducer user mode only. 

Use the User Mode menu choice to change between these two user modes.

TRANSDUCER: 

This user mode allows you to operate the FF918 with the Portable 

Cable Transducer.When the sensitivity indicator{          }is displayed on the screen,the 
unit is in transducer mode.

HOW FF918 Sonar work

The FF918 is the easiest to use fishfinder ever. For most anglers, all you'll ever need 
to do is power on and fish! The FF918 automatically determines depth and makes 
adjustments to keep the bottom and fish visible on the display.

FF918 boat fish finder Transducer 

Mode Operations Manual 

USER 

MODE

SI

MULATI

ON

USER 

MODE

TRANSDUCER

-1-

Transducer connect indicator

Summary of Contents for FF918-180S

Page 1: ...FF918 180S Boat Fish Finder Operations Manual...

Page 2: ...L A T I ONuser mode This manual for transducer user mode only Use the User Mode menu choice to change between these two user modes TRANSDUCER This user mode allows you to operate the FF918 with the Po...

Page 3: ...atically selected for the current water depth The Bottom Contour varies as the depth under the boat changes Digital readouts provide precise information for depth fish and water temperature As the boa...

Page 4: ...not return to their default values when the unit is turned off See individual menu choices for more information NOTE Each time the POWER MENU key is pressed the backlight momentarily illuminates for...

Page 5: ...t OFF to return to normal operation Off Auto Depth Ranges There is also a series of manual ranges which can be selected The manual depth ranges are determined by the present depth conditions Depth Ala...

Page 6: ...ere F stands for Fahrenheit and C stands for Celsius Battery Alarm Make sure that the SetUp menu is selected then press the POWER MENU key until BATTERY ALARM appears Select Off or 8 5 to 13 5 Volts B...

Page 7: ...he battery life of the unit so it should only be used during low light condition or only open side light Maintenance Follow these simple procedures to ensure your FF918 continues to deliver top perfor...

Page 8: ...nsducer itself is probably at fault Be sure to include the transducer if returning the unit for repair 3 There is no bottom reading visible on the display In very deep water it may be necessary to inc...

Page 9: ...e boat stationary to isolate this cause Propeller cavitation can aIso appear as noise on the display If the transducer is mounted too close to the propeller the turbuIence generated can interfere with...

Page 10: ...ck of the fish finder 6 Verify that the transducer is still plugged into the protable case 7 Your unit is now ready to be powered on and used FF 918 FISH FINDER INSTALLATION GUIDE 1 Line up the two ra...

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