Standard Horizon Ff520 owner manual Interference Rejection, Sensitivity Menu, Gain

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	automatically tracks the range around the bottom specified by the Bottom Range value.
Depth	: Moves the display from showing the bottom to the depth value entered.
Shift	: Shifts the display from the bottom of the transducer to the depth value entered.

Example

Your vessel is in about 57FT of water, however there is fish suspended in 35FT of water. You want to display to 10FT area around the fish. Shift would be set to 25FT and Depth would be set to 35FT shown in example below.

Figure 4.3a - Example of Depth and Shift

NOTE

The options under Range Mode change depending on the current Range Mode.

4.4INTERFERENCE REJECTION

Selects a filter to remove noise from other sources to external noises.

4.5SENSITIVITY MENU

The Sensitivity menu is accessible both from the Fish Finder Setup menu and by pressing [ENTER] when in Fish Finder pages. All settings in the Sensitivity menu are related to the Frequency.

	Figure 4.5 - Sensitivity sub-menu

Gain (*)	: Allows you to control the sensitivity of the unit's receiver. To see more detail, increase the
	receiver sensitivity by selecting a higher gain percentage. If there is too much detail or if
	the screen is cluttered, lowering the sensitivity may increase the clarity of the display.

FF520		Page 27

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Contents FF520 FCC Compliance Statement Table of Contents Index General Information IntroductionPacking List Replacement part0 FF520 Packing List Mounting the FF520 InstallationConnections CP155C/CP1000C/CP180/CP180i/CPV350 connections to FF520 Connecting the GPS Chart Plotters to the FF520CP180/CP180i FF520CPV350 FF520 Tee Cable Optional ConnectionsCP175C connections to FF520 LED Status Indicator Alarm BuzzerNmea Output Second temp sensorSelecting the FF520 Power ConnectionsCP180/CP180i/CPV350 0 Selecting the FF520 on CP180/CP180i/CPV350 CP155C/CP175C/CP1000CUnderstanding the Fish Finder Fish FinderColor Bar Fish Finder windowScope Understanding the Fish Finder displayOperating Frequency FishesMenu selection for CP155C/CP175C/CP1000C Displaying the Fish FinderCustomizing the Fish Finder menu selection 0a Menu selection for CP180/CP180i/CPV350Soft Keys for CP175C/CP1000C/CPV350 Customizing the Soft Keys for CP175C/CP1000C/CPV350 KEY Operation When Fish Finder page is ShownEnter key Menu keyClear key Zoom in and Zoom OUT keysMark key Controls on Chart page or Fish page in Chart/Fish dual modeShuttlepoint knob Focus Soft Key for CP175C/CP1000C/CPV350Range Soft Key System Update menuFrequency Soft Key Sensitivity Time Control STC Soft KeySystem Information page for CP180/CP180i/CPV350 Presets Fish Finder Setup MenuSelection FishChart/Fish Gain ModeRange Menu AutoSensitivity Menu Interference RejectionGain Display Setup Keel Offset Transducer SetupLoad Settings from User C-CARD AlarmsSave Settings to User C-CARD Restore Current Preset Defaults Page FF520 Specifications SpecificationsFF520 Internal connections FF520 Internal ConnectionsTransducer Power BoatsTransducer Mounting SailboatsLow Profile Thru-Hull Transducer TypesTransom Fairing BlockOptional Transducer ID Sensors In-hullPage 0a The FF520 Tips of OperationsHOW can I SET Optimal Operating Parameters What are Preset MODES?What are Extreme Situations in Which Auto Modes MAY FAIL? What should I do if the Auto Modes FAIL? HOW can I Reduce the Surface CLUTTER? WHY do I Never see Fishes in the Range Between 0 to 2 FEET?27, 30 IndexA N D a R D H O R I Z O N L I M I T E D W a R R a N T Y

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