161 GPS Chartplotter Operations Manual

531480-1_B

Thank You!
Thank you for choosing Humminbird, America's #1 name in fishfinders. Humminbird has built its reputation by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird is designed for troublefree use in even the harshest marine environment. In the unlikely event that your Humminbird does require repairs, we offer an exclusive Service Policy - free of charge during the first year after purchase, and available at a reasonable rate after the oneyear period. For complete details, see the separate warranty card included with your unit. We encourage you to read this operations manual carefully in order to get full benefit from all the features and applications of your Humminbird product. Contact our Customer Resource Center at either 1-800-633-1468 or visit our website at www.humminbird.com.
WARNING! This device should not be used as a navigational aid to prevent collision, grounding, boat damage, or personal injury. When the boat is moving, water depth may change too quickly to allow time for you to react. Always operate the boat at very slow speeds if you suspect shallow water or submerged objects. WARNING! Disassembly and repair of this electronic unit should only be performed by authorized service personnel. Any modification of the serial number or attempt to repair the original equipment or accessories by unauthorized individuals will void the warranty. Handling and/or opening this unit may result in exposure to lead, in the form of solder. WARNING! This product contains lead, a chemical known to the state of California to cause cancer, birth defects and other reproductive harm.
100 SeriesTM, Fish ID+TM, FishingGPSTM, Humminbird, One-Touch Zoom, QuadraBeamTM, RTS Window, Structure ID, Total Screen Update, TrueArch, Uni-MapTM, WeatherSense, WhiteLine, WideSide and X-PressTM Menu are trademarked by or registered trademarks of Humminbird. 2006 Humminbird, Eufaula AL, USA. All rights reserved.

Table of Contents

How Sonar Works How GPS and Cartography Work Whats On the Display Views 5 7

Single Beam Sonar. 3

Sonar View. 8 Understanding Sonar History. 9 Real Time Sonar (RTS) Window. 9 Freeze Frame. 10 Bottom Presentation. 10 Sonar Zoom View. 12 Big Digits View. 13 Circular Flasher View. 13 Bird's Eye View. 14 Chart View. 15 Combo View. 16 View Orientation. 16
Viewing Cartography Introduction to Navigation
Waypoints, Routes and Tracks. 18 Save, Edit or Delete a Waypoint. 19 Navigate to a Waypoint or Position. 20 Add a Waypoint Target or Trolling Grid. 21 Save, Edit or Delete a Route. 22 Save or Clear a Current Track. 23 Edit, Delete or Hide Saved Tracks. 23

Key Functions 24

POWER/LIGHT Key. 24 VIEW Key. 24 INFO Key. 24 MENU Key. 25 4-WAY Cursor Control Key. 25 MARK Key. 26 GOTO Key. 26 ZOOM (+/-) Key. 26 EXIT Key. 26
Powering Up the Unit The Menu System Start-Up Options Menu
Normal Operation. 29 Simulator. 30 System Status. 30 Self Test. 31 Accessory Test. 31 GPS Diagnostic View. 32
Sonar X-PressTM Menu (Sonar views only)
Sensitivity. 34 Upper Range (Advanced: Sonar, Split Sonar, Big Digits and Circular Flasher views only). 35 Lower Range. 36 Chart Speed. 37 Bottom View. 37 Bottom Range (Sonar Zoom view only when Bottom Lock is On). 38 Bottom Lock (Sonar Zoom view only). 38 Cancel Navigation (only when navigating). 39

Navigation X-PressTM Menu (Navigation views only) 40
Waypoint [Name] (only with an active cursor on a waypoint). 41 Cursor To Waypoint (Chart or Combo view only). 42 Save Current Track. 42 Clear Current Track. 43 Save Current Route (only when navigating). 43 Skip Next Waypoint (only when navigating). 43 Cancel Navigation (only when navigating). 44 Remove Target (only if Target is Active). 44 Remove Grid (only if Grid is Active). 45 Sonar Window (Combo view only). 45 Waypoint [Name] (Most recently-created waypoint). 46

Sonar Menu Tab

Fish ID+TM. 48 Fish ID Sensitivity. 49 Real Time Sonar (RTS) Window. 49 Zoom Width. 50 Depth Lines (Advanced). 50 Surface Clutter (Advanced). 51 Noise Filter (Advanced). 52 Max Depth (Advanced). 52 Water Type (Advanced). 53

Navigation Menu Tab

Current Track. 55 Saved Tracks. 56 Waypoints. 57 Routes. 58 Chart Orientation. 59 North Reference. 59 Grid Rotation. 59 Trackpoint Interval. 60
Track Min Distance (Advanced). 60 Map Datum (Advanced). 61 Course Projection Line. 61 Delete All Nav Data (Advanced). 61

Chart Menu Tab

Chart Detail Level. 63 Map Borders. 64 Lat/Lon Grid. 64 Set Simulation Position (Advanced). 65 Set Map Offset (Advanced). 66 Clear Map Offset (Advanced). 66

Alarms Menu Tab

Depth Alarm. 68 Fish ID Alarm. 68 Low Battery Alarm. 69 Temp Alarm. 69 Off Course Alarm. 70 Arrival Alarm. 70 Drift Alarm. 71 Alarm Tone. 71

Setup Menu Tab

Units - Depth. 73 Units - Temp (International only). 73 Units - Distance. 73 Units - Speed. 74 User Mode. 74 Language (International only). 74 Triplog Reset. 75 Restore Defaults. 75 Select Readouts (Advanced, Sonar view only). 76 Depth Offset (Advanced). 77
Temp Offset (Advanced). 78 Speed Calibration (Advanced, with Temp/Speed only). 78 Local Time Zone (Advanced). 79 Daylight Saving Time (Advanced). 79 Position Format (Advanced). 80 Time Format (Advanced, International only). 80 Date Format (Advanced, International only). 81 NMEA Output (Advanced). 81 Sonar. 82
Views Menu Tab Troubleshooting
100 SeriesTM Doesnt Power Up. SeriesTM Defaults to Simulator with a Transducer Attached. 84 Display Problems. 85 Finding the Cause of Noise. 86
Specifications Glossary Contact Humminbird
NOTE: Entries in this Table of Contents which list (International only) are only available on products sold outside of the U.S. by our authorized International Distributors. To obtain a list of authorized International Distributors, please visit our website at www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468 to locate the distributor nearest you. NOTE: Entries in this Table of Contents which list (with Temp/Speed) require the purchase of a separate accessory. You can visit our website at www.humminbird.com to order this accessory online or contact our Customer Resource Center at 1-800-633-1468.

Cursor Dialog Box - indicates cursor depth on Longitude of the cursor position is shown, be marked at the cursor position for later
NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either device information from the GPS receiver will be displayed on the view.
adjacent to your boat, including the following items:
be positioned in the Sonar View to provide below the cursor.
Structure - where fish may be hiding. 200 kHz, Narrow Beam Shaded Fish Symbol
Thermoclines - layers of water with different temperatures that appear at different depths and different times of the year. A thermocline typically appears as a continuous band of many gray levels moving across the display at the same depth. Fish - fish are displayed as arches and/or fish icons, and the unit can be set to alarm when a fish of a certain size is detected. When a target is detected and Fish ID+TM is on, a Fish ID+TM symbol with depth is displayed. The size of the symbol shows the intensity of the sonar return. The unit will clearly show schools of Bait Fish as "clouds" of different shapes and sizes, depending on the number of fish and boat speed. Soft Bottom RTS (Real Time Sonar) Window the display and the depth of the bottom directly below the cursor. In addition, the Latitude and the distance to travel to the cursor position and the bearing to the cursor position. A waypoint can retrieval and use. is connected to the 100 SeriesTM Fishing System. If both devices are connected, then only the
The views available on your 100 SeriesTM Fishing System are: Sonar views: Sonar View Zoom View Big Digits View Circular Flasher View. Navigation views: Birds Eye View Chart View Combo View.
NOTE: When you change any menu settings that affect the sonar, the view will update immediately (i.e. you dont have to exit the menu to apply the change to the screen). For instance, by switching between "Inverse" and "Structure ID" from the X-PressTM menu, it is possible to quickly alternate between the two viewing methods.

VIEW Key

The VIEW key is used to cycle through all available views. Press the VIEW key to advance to the next view. Repeatedly pressing VIEW cycles through all views available. Views can be hidden to optimize the system to your fishing requirements (see Views Menu Tab).

INFO Key

Info - Press the INFO key while in Bird's Eye, Chart or Combo View to display information about objects that are nearest to an active cursor. 24

MENU Key

The MENU key is used to access the menu system. Start-Up Options Menu - Press the MENU key during the power up sequence to view the Start-Up Options menu. X-PressTM Menu - Press the MENU key once for the X-PressTM Menu. The X-PressTM menu allows you to access frequently-used settings without having to navigate through the whole menu system. When the X-PressTM menu is displayed, you can use the UP or DOWN Cursor keys to move to a particular menu choice. As soon as you alter a parameter (using the RIGHT or LEFT Cursor keys) the X-PressTM menu will collapse temporarily, and the screen will update if it is affected by your menu setting change, allowing you to see the effects of your action immediately. Reactivate the X-PressTM Menu by using the UP or DOWN Cursor keys. Main Menu - Press the MENU key twice for the tabbed Main Menu System. The Main Menu System is organized under tabbed headings to help you find a specific menu item quickly: Alarms, Sonar, Navigation, Chart, Setup, and Views tabs are part of your tabbed Main Menu System. Use the LEFT or RIGHT 4-WAY Cursor Control key to select a tab; then use the DOWN or UP key to select the menu item, and the LEFT or RIGHT key to alter a menu setting.

4-WAY Cursor Control Key

The 4-Way Cursor Control Key has multiple functions, depending on the situation: Use the DOWN or UP arrow keys to select a menu choice from the menu list, then use the LEFT or RIGHT arrow keys to change a menu setting.
NOTE: Menu choices are implemented and saved immediately - no further action is required.
In all Sonar views but the Big Digits view, pressing any 4-WAY Cursor Control key will activate Freeze Frame and will then allow you to position the cursor on the display.

NOTE: See Add a Waypoint Target or Trolling Grid for more information.
To Remove a Target: 1. Highlight Remove Target on the Navigation X-PressTM menu. 2. Use the RIGHT 4-WAY Cursor Control key to remove the target.

Remove Grid

(only if a Grid is Active)
Remove Grid removes the waypoint grid from the display. This menu choice will only appear when a grid has already been applied to a waypoint.
To Remove a Grid: 1. Highlight Remove Grid on the Navigation X-PressTM menu. 2. Use the RIGHT 4-WAY Cursor Control key to remove the grid.

Sonar Window

(Combo view only)
Sonar Window sets the size of the Sonar Window in the Combo View. Sonar Window can only be accessed from the Combo View. To Set the Size of the Sonar Window in the Combo View: 1. Highlight Sonar Window on the Navigation X-PressTM menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to adjust the size of the sonar window. (Wide, Medium, Narrow, Default = Medium)
(Most recently-created waypoint)
Waypoint [Name] allows you to view the waypoints submenu for the most recently created waypoint.
NOTE: You must have pressed the MARK key at least once since you last powered up the fishfinder for this menu choice to appear.
To view the Waypoint [Name] Submenu: 1. Move the cursor to the desired position and press the MARK key once to save a waypoint. 2. Highlight Waypoint[Name] on the Navigation X-PressTM menu. 3. Use the RIGHT 4-Way Cursor Control key to view the Waypoints submenu.

Waypoint [Name] Submenu

The Waypoint Submenu contains the following menu choices: Edit allows you to edit the Name, Position (Latitude and Longitude) and select the Icon that will be used to represent the waypoint in the Chart and Combo Views. Delete allows you to delete a waypoint from the list of saved waypoints. Go To allows you to select a waypoint and start navigation toward that waypoint, or add that waypoint to the end of the current route. Target allows you to apply a target to a waypoint selected from the list of waypoints. Grid allows you to apply a trolling grid to a waypoint selected from the list of waypoints.
Press the MENU key twice to access the Main Menu System and then press the RIGHT Cursor key to select the Sonar tab.
NOTE: Menu choices will vary depending on system settings such as whether the unit is set for Advanced User mode or what transducer is currently selected.

Sonar Menu

Fish ID+TM
Fish ID+TM uses advanced signal processing to interpret sonar returns, and will display a Fish Symbol when very selective requirements are met. When a fish is detected, a fish icon and its depth are displayed above the return that has been classified as being a fish. Three different fish size icons represent the intensity of the sonar return, and provide an indicator of relative fish size. The 100 SeriesTM Fishing System models represent targets detected in the 200 kHz narrow beam as Shaded Fish Symbols.

To change the Noise Filter setting: 1. Make sure you are in Advanced User Mode, then highlight Noise Filter on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Noise Filter setting. (Off, Low, Medium, High1, High2, High3, Default = Low)

Max Depth

Max Depth adjusts the maximum depth of operation. The performance of your 100 SeriesTM Fishing System can be tuned to the maximum depth you will be fishing in by setting the Max Depth. When a maximum depth is set, your 100 SeriesTM Fishing System will not attempt to acquire sonar data below that depth, thus increasing overall performance. When Max Depth is set to Auto, the 100 SeriesTM Fishing System will acquire bottom readings as needed (within the capacity of the unit). If the bottom is deeper than the Max Depth setting, the digital depth readout will flash, indicating that the 100 SeriesTM Fishing System cannot locate the bottom. The Max Depth menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode). To change the Max Depth setting: 1. Make sure you are in Advanced User Mode, then highlight Max Depth on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth setting. (AUTO, 10 to 600 feet, 3 to 240 meters [International Models only], Default = AUTO) 52

Water Type

Water Type configures your unit for operation in fresh or salt water. The Water Type menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: In salt water, what would be considered a large fish might be 2 to 10 times bigger than a large fish in fresh water (depending on the type of fish you are seeking). The salt water setting allows for a greater range in fish size adjustment to account for this. Also, make sure that the Water Type is set accurately, especially in salt water, as this affects the accuracy of deep water depth readings.
To change the Water Type setting: 1. Make sure you are in Advanced User Mode, then highlight Water Type on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Water Type setting. (Fresh, Salt, Default = Fresh)

Routes

Routes allows you to view the Routes submenu. To view the Routes Submenu: 1. Highlight Routes on the Navigation main menu. 2. Use the RIGHT 4-WAY Cursor Control keys to view the Routes submenu.

Routes Submenu

The Routes Submenu contains the following menu choices: Create allows you to create a new, empty route and add waypoints to it immediately. Edit allows you to select a previously-saved route and edit its name and the waypoints on it. Delete allows you to delete a route from a list of previously-saved routes. Travel allows you to select a previously-saved route to use as the current route; this menu setting also begins navigation on this route. Routes can be traveled in either the forward or reverse direction. Info displays information about the route, including the distance and bearing from each waypoint to the next.

Chart Orientation

Chart Orientation allows you to select whether the Chart and Combo Views should be drawn North-Up or Course-Up. To change the Chart Orientation setting: 1. Highlight Chart Orientation on the Navigation main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Chart Orientation setting. (North-Up, Course-Up, Default = North-Up)
NOTE: The Chart Orientation setting does not apply to the Bird's Eye View.

North Reference

North Reference allows you to have bearings displayed with one of two orientations: True North or Magnetic North. To change the North Reference setting: 1. Highlight North Reference on the Navigation main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the North Reference setting. (True, Magnetic, Default = True)

Grid Rotation

Grid Rotation allows you to set the orientation of the trolling grid in degrees, where a setting of 0 displays a standard North, South, East, West alignment. See Waypoints for information on how to set a Grid. To change the Grid Rotation setting: 1. Highlight Grid Rotation on the Navigation main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Grid Rotation setting. (0 to 89, Default = 0)

Trackpoint Interval

Trackpoint Interval allows you to select the time period between trackpoints. The current track can only contain up to 20,000 trackpoints, so longer time periods cause the track to extend back further in time, but will be less detailed.
NOTE: Trackpoint Interval works in conjunction with Track Min Distance. Both conditions must be met before a trackpoint is added to the current track.
To change the Trackpoint Interval setting: 1. Highlight Trackpoint Interval on the Navigation main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Trackpoint Interval setting. (1 second, 5 seconds, 10 seconds, 15 seconds, 30 seconds or 60 seconds, Default = 15 seconds)

Press the MENU key twice to access the Main Menu System and then press the RIGHT Cursor key to select the Chart tab.

Chart Menu

Chart Detail Level
Chart Detail Level allows you to select how much chart detail you want displayed on the Navigation Views. Basic shows land areas, ports, obstructions and restricted areas. Navigation shows navaids, landmarks, ferryways and navigation routes in addition to the Basic information. Underwater shows depth contours, fishing areas, underwater wrecks, tides and currents in addition to the Basic and Navigation information. All shows roads, buildings, railways, and other notations in addition to the Basic, Navigation and Underwater information. To change the Chart Detail Level setting: 1. Highlight Chart Detail Level on the Chart main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Chart Detail Level setting. (Basic, Navigation, Underwater, All, Default = All)
NOTE: Some chart details are only available with optional-purchase MMC/SD cards.

Map Borders

Map Borders allows you to display or hide map borders. A Map Border indicates an area which contains a different map.
To change the Map Borders setting: 1. Highlight Map Borders on the Chart main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Map Borders setting. (Hidden, MMC/SD Only, All Visible, Default = Hidden)

Lat/Lon Grid

Lat/Lon Grid allows you to display or hide a grid showing latitude and longitude lines. To change the Lat/Lon Grid setting: 1. Highlight Lat/Lon Grid on the Chart main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Lat/Lon Grid setting. (Hidden, Visible, Default = Hidden)

Set Simulation Position

Set Simulation Position allows you to set the position of the boat used in the Simulator. The Set Simulation Position menu choice is only available when User Mode is set to Advanced (see Setup Menu Tab: User Mode). To set the Simulation Position: 1. Activate the cursor and move it to the coordinates from where you want the simulation to start.
NOTE: The cursor must be active in order for this procedure to work.
2. Make sure you are in Advanced User Mode, then highlight Set Simulation Position on the Chart main menu. 3. Use the RIGHT 4-WAY Cursor Control key to change the Simulation Position setting. A confirmation dialog box will appear to allow you to change your mind, or to confirm your choice. If the cursor was not active before you began this procedure, you will see an error message. Exit the menu, set the cursor, then try again.

Set Map Offset

Set Map Offset allows you to change the map offset used by the 100 SeriesTM. The Set Map Offset menu choice is only available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: The Map Offset will be applied to all maps and not just the map that requires the correction. The Map Offset should be cleared if a different map is to be used.

Temp Alarm

Temp Alarm sounds when the water temperature detected by the 100 SeriesTM reaches the Temp Alarm setting, which is either set in degrees Fahrenheit or Celsius [International Models only]. For example, if the Temp Alarm is set to 58 degrees Fahrenheit, and the water temperature falls from 60 degrees to 58 degrees, the Temp Alarm will sound. Similarly, if the water temperature rises from 56 degrees to 58 degrees, the Temp Alarm will also sound. To change the Temp Alarm setting: 1. Highlight Temp Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-Way Cursor Control keys to change the Temp Alarm setting. (Off, 33-120 [Fahrenheit], 0-50 [Celsius], Default = Off)

Off Course Alarm

Off Course Alarm sounds when the boat has moved too far off course based on the menu setting when navigating. Off Course Alarm allows you to set how far the boat is allowed to move off course before the Off Course Alarm will sound.

Off Course Limits

Arrival Alarm Circle
To change the Off Course Alarm setting: 1. Highlight Off Course Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Off Course Alarm setting. (Off, 25 to 3000 feet, 10 to 1000 meters [International Models only], Default = 300 ft, 100 m)

Arrival Alarm

Arrival Alarm sounds when the boat has either exceeded the distance to the destination waypoint, or has entered the Arrival Alarm Circle, based on the menu setting when navigating. Arrival Alarm allows you to set how close the boat must be to the destination waypoint before the Arrival Alarm will sound. To change the Arrival Alarm setting: 1. Highlight Arrival Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Arrival Alarm setting. (Off, 25 to 3000 feet, 10 to 1000 meters [International Models only], Default = 150 ft, 50 m) 70

Drift Alarm

Drift Alarm sounds when the boat has exceeded the distance from the boats anchored position, based on the menu setting. Drift Alarm allows you to set the size of a perimeter around the boats anchored position; if the anchored boat drifts outside of that perimeter, the Drift Alarm will sound.

Drift Alarm Circle

Drift Alarm Perimeter

Units - Speed

Units - Speed selects the units of measure for speed-related readouts, and will appear in the menu if a Temp/Speed Accessory is connected and the paddlewheel has moved at least once, or if the GPS Receiver is connected. To change the Units - Speed setting: 1. Highlight Units - Speed on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Units - Speed setting. (kph [International Models only], mph, kts, Default = kph for International models and mph for Domestic models)

User Mode

User Mode sets the menu system to either Normal or Advanced. When set to Normal (default setting,) only the basic menu options are shown. When set to Advanced, additional menu choices are available. To change the User Mode setting: 1. Highlight User Mode on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the User Mode setting. (Normal, Advanced, Default = Normal)

Language

Language selects the display language for menus. International Models only. To change the Language setting: 1. Highlight Language on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Language setting. (Default = English)

Triplog Reset

Triplog Reset resets the Triplog to zero, and will appear in the menu if a Temp/Speed Accessory is connected and the paddlewheel has moved at least once, or if the GPS Receiver is connected. The Triplog provides the following information: timer for elapsed time, distance traveled since last reset, and average speed.
NOTE: See Setup Menu Tab: Select Readouts (Advanced) to find out how to display Triplog information on the screen.
To Reset Triplog: 1. Highlight Reset Triplog on the Setup menu. 2. Use the RIGHT 4-WAY Cursor Control key to initiate Triplog Reset. 3. The Confirm dialog box will appear. To reset the Triplog, press the RIGHT Cursor key once more. To cancel Reset Triplog, press the LEFT Cursor key.

Restore Defaults

Restore Defaults resets ALL menu settings to their factory defaults. Use this menu choice with caution! To Restore Defaults: 1. Highlight Restore Defaults on the Setup menu. 2. Use the RIGHT 4-WAY Cursor Control key to initiate restoring defaults. 3. The Confirm dialog box will appear. To reset the defaults, press the RIGHT Cursor key once more. To cancel Restore Defaults, press the LEFT Cursor key.

Select Readouts

Fish Arch: A Fish Arch is the apparent "arch" that appears on the display when any object moves through the sonar cone. The arch results from a gradual decrease in distance to an object as it moves into the sonar cone. The distance to an object changes due to the conical shape of the sonar beam, which causes the distance to be greater at the edges of the beam than at the center of the beam. When this distance change is graphed on the display, an arch appears. Fish ID+TM: Fish ID+TM is a Humminbird feature that uses advanced sonar processing algorithms to determine if a detected object is likely to be a fish. When the sonar signal from an object meets strict parameters, the unit draws a Fish Symbol (or icon) and the digital depth of the target. On DualBeam and DualBeam PLUSTM units, fish detected in the narrow center beam are shown as shaded symbols, and fish detected in the wider beam are shown as hollow symbols. Fish Symbol: A Fish Symbol is the graphic that is displayed on the screen when Fish ID+ determines that a sonar return is likely to be a fish. See Fish ID+TM. Freeze Frame: Freeze Frame is a Humminbird feature that pauses the sonar scrolling so that the image on screen can be studied with greater detail. See Instant Image Update. Frequency: Frequency is a measure of the number of sound wave cycles per second of a sound impulse transmitted underwater. A typical frequency for fishfinders is 200 kHz, which offers a good balance of performance under many conditions. Lower frequencies, such as 50 kHz, are capable of penetrating to greater depths, but with less resolution. Higher frequencies, such as 455 kHz, offer greater resolution, but are limited in depth performance. Humminbird uses a variety of frequencies that are optimized for specific applications. Grayscale: Grayscale is the use of varying shades of gray to represent the strength of the sonar signal on the display , and is a very intuitive method of presenting information. Traditionally, the strongest sonar signals are represented in black, and progressively weaker signals are represented in progressively lighter shades of gray. Grayscale, Inverse: Inverse Grayscale is a Humminbird feature that reverses the correlation of sonar signal strength and the shade of gray typically used to represent it. The strongest sonar signals are represented by "white", and progressively weaker signals are represented in progressively darker shades of gray. While somewhat counter-intuitive, this method makes the sonar images crisper, and has the benefit of enhancing the apparent sensitivity because the weaker signals appear bolder. 90

Transmitter: The transmitter and receiver are matched parts of the sonar system that send (transmit) and listen to (receive) the sonar signals, and work in conjunction with the transducer. Humminbird transmitters have an extremely fast cycling design that can send signals up to 60 times per second, as well as produce the varying levels of power output needed for different depths and conditions. Additionally, the transmitter has the capability to create very precise sonar pulses needed for a high degree of target separation. Humminbird receivers are extremely sensitive, but within a narrow "bandwidth" to discriminate against noise from external sources. Additionally, the receiver offers a wide "dynamic range" which provides the ability to receive very strong signals alternating with very weak signals, without the strong signal overwhelming the weak signal. See Transducer and Noise. TripLog: TripLog is a Humminbird feature that provides an on-screen counter for Elapsed Time, Average Speed and Total Distance traveled, and requires a speed input to activate the feature. TripLog appears on the Big Digits View, and can be reset to zero through the TripLog menu. TrueArch: TrueArch is a Humminbird feature that provides true fish arches, not artificial arches or symbols. Humminbird units are capable of producing fish arches due to the wide 60 sonar beam of DualBeam PLUSTM, an extremely sensitive sonar receiver. See Fish Arch. Viewing Angle: Viewing Angle is an attribute of an LCD that characterizes visibility of the display when viewing from off the central access, such as when standing to the side of the fishfinder. Wider viewing angles are better because the information remains visible even when viewing from the side. WhiteLine: WhiteLine is a Humminbird feature that highlights the strongest sonar return on the display using a very light gray band. This is preferred by some anglers who have grown accustomed to the feature on paper graph chart recorders. WideSide: WideSide is a Humminbird sonar configuration used in an optional transducer. WideSide uses three sonar beams pointing to the left, right and down. Beams pointing to the left and right are effective for spotting fish and structure near the surface or on the bank. The downlooking beam provides depth information directly below the boat.

GPS: GPS is an acronym for Global Positioning System. GPS provides accurate position (latitude, longitude, altitude) information virtually anywhere on the earth through satellite technology and personal receivers on the ground. A series of geosynchronous satellites broadcast a unique signal toward the earth once per second. A GPS receiver, such as that included with many Humminbird products, receives the signals from these satellites and is able to determine position based on very slight differences in the time each signal is received and the receivers knowledge of the location of each of the satellites. Heading: Heading describes the direction the boat is pointing and is measured in degrees (i.e. 321, where 000 is North, 090 East, 180 is South, 270 is West). Due to wind and waves, the boat is often traveling in a slightly different direction than it is heading, and therefore Heading is often confused with Course Over Ground. See Course Over Ground. Map Datum: A Map Datum refers to a particular survey of the earths surface that was referenced when creating a chart (i.e. WGS84). Since the earth is not flat, and not even consistently round, a mathematical model must be used to translate coordinates from the sphere of the earth to the flat surface of a chart. This mathematical model is the Map Datum. Historically, many different Map Datums have been used around the world to create maps; often a reference to the Map Datum can be found in the legend of a paper map. It is important to select the correct Map Datum setting in your fishfinder when comparing GPS position to a paper chart to avoid slight position inaccuracies. Almost all electronic charts use the WGS84 Map Datum and therefore, they do not require setting changes. MMC: MMC is an acronym for Multi Media Card. An MMC is a postage stamp-sized memory device used to store electronic data such a maps, waypoints, routes and other information. MMC is a very rugged format suitable for the marine environment, but it is not waterproof. The MMC is removable from Humminbird products, and can be used in a PC that is equipped with an appropriate card reader. MMC is the same format that many digital cameras use. See SD. North, Magnetic: North is the principle reference point of the compass (i.e. North is 000). Magnetic North relies on the earths magnetic field to align a metal pointer generally towards True North. However, due to local variations in the earths magnetic field around the globe, the difference between True North and Magnetic North can be greater than 10. See True North. 99
North, True: North is the principle reference point of the compass (i.e. North is 000). True North uses the axis of the rotation of the earth as the reference for North and is constant for all points on the earth. Most GPS units default to True North as the setting. The GPS heading may vary from the boat compass heading because the compass uses Magnetic North. Humminbird GPS units provide the option of selecting True or Magnetic readouts by using the North Reference menu. See Magnetic North. Present Position: Present Position is the current location (latitude, longitude) determined by GPS. The Present Position is indicated on-screen by a directional boat icon if the boat is moving, or a round symbol if the boat is stationary. Route: A Route is series of waypoints linked together in a specific sequence to define a navigation path between two points, and saved in the fishfinders memory. Routes are often used when frequently traveling between two or more locations because it is a faster and more accurate method than repeatedly selecting individual waypoints each time one travels through the same area. Routes consist of a Start Waypoint, an End Waypoint, and a series of waypoints in between. Users can begin navigation at the beginning, the end (to run the route in reverse) or at any waypoint in between. See Waypoint. SD: SD is an acronym for Secure Digital. An SD card is virtually identical in function to an MMC; however, the speed at which information can be accessed is generally faster, the storage capacity is generally larger, and the card has security features which can be used to prevent extracting the data from the card. SD is the same format that many digital cameras use. See MMC. Selective Availability: Selective Availability (SA) is a GPS system feature that can be implemented by the U.S. Department of Defense (DoD) to degrade the accuracy of GPS positioning information. With SA active, the GPS is accurate to within 100 meters 95% of the time. With SA inactive, the GPS is accurate to within 45 meters 95% of the time. Currently, SA is inactive and the consumer can enjoy the greater precision GPS provides; however, the DoD reserves the right to activate SA at any time. Speed Over Ground (SOG): Speed Over Ground is the measurement of the boats progress across a given distance, and is the speed measurement provided by GPS. An alternate, Speed Through Water, is provided by a speed paddlewheel, and is the measurement of the flow past the boat, which may vary depending on current speed and direction. Speed Over Ground is optimal for navigation because accurate destination times can be derived from this measurement. Humminbird products allow for input and display of both speed measurements. 100

06/05/06

Connecting the NMEA Output from a 300 Series Unit to another NMEA Device
Only the 161 Combo, 363 Combo and 383c Combo models have an internal GPS receiver at this time and therefore will be the only 300 Series units that this will work for. Also, the software was changed to allow for a valid NMEA Output from these units, so your 300 Series unit will need to have version 3.210 software or higher. The 300 Series units output the following NMEA 0183 version 2.2 protocol sentences: GLL, GGA, RMC, VTG, ZDA, APB, BWR, RMB, DPT, MTW at a Baud Rate of 4800. The 300 Series units only support an NMEA Output of position, speed, bearing, and time of day information. Cartography, waypoints, routes, and tracks are not transferred from the 300 Series unit. NMEA Inp ut to the 300 Series unit is not supported in any way. Currently there are no direct-connect cables that exist for connecting the NMEA Output from the internal GPS receiver of a 300 Series Combo unit to another NMEA capable device. However our Hand held GPS connection cable (part# ASHHGPS) may be used to connect to the NMEA Input cable of the other device. This involves splicing the two cables together. For purposes of this document I will use a 383c as the 300 Series unit and a DSC capable VHF Radio as the NMEA capable device. The 383c Combo unit will be transmitting the NMEA data. The DSC capable VHF Radio will be receiving the NMEA Output from the 383c Combo unit.
Documented by: Greg Walters

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Connecting the NMEA Output from a 300 Series Unit to another NMEA Device.doc
The AS-HHGPS cable has four connecting wires. These are listed in below and it should be noted that two of these will not be used and are not supported in the 300 Series units. These should be terminated in such a way that they do not make electrical connection to other wires or anything on the boat. AS-HHGPS Cable Pin Wire # Color Connection 1 Red +12 volt output Not Used NMEA Device (DSC Radio) Wire Pin # Color Connection
Unknown varies by device Unknown varies by device Unknown varies by device Unknown varies by device Unknown varies by device Unknown varies by device Unknown varies by device Unknown varies by device
Not used Ground, NMEA Ground, NMEA "-" Not used NMEA Input, NMEA "+"

Ground

Green White

NMEA Input NMEA Output

Not Used to
Since the NMEA Input cable for the DSC capable VHF Radio (or other NMEA device) can vary by model and manufacturer, we can only list the possible names for those connections and not the pin out or wire color.
When all connections have been completed; all wires should be insulated from each other and the whole splice sealed in such a way that moisture cannot damage it.
With the 383c Combo unit powered on, set the NMEA Output menu to the On setting. This menu is under the Setup Tab in the Main tabbed Menu System and is only available if the User Mode menu is set to Advanced.
When the internal GPS receiver in the 383c Combo unit has a position fix, it will transmit the NMEA data to the DSC capable VHF Radio.

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