Whats on the Sonar Display
The 300 Series Fishfinder can display a variety of useful information about
Depth - Water depth; can be set to alarm when the water becomes too shallow. Speed - If a Temp/Speed accessory or GPS Receiver is attached, the Fishfinder can display the speed of the boat and can keep a Triplog of nautical or statute miles traveled. Temperature - Water surface temperature. Timer - Elapsed time with Temp/Speed Accessory or GPS Receiver. Distance - Distance traveled with Temp/Speed Accessory or GPS Receiver. Average Speed - Average speed reading with Temp/Speed Accessory or GPS Receiver. Second Sonar Return - When the sonar signal bounces between the bottom and the surface of the water and back again. Use the appearance of the second return to determine bottom hardness. Hard bottoms will show a strong second return, while soft bottoms will show a very weak one or none at all. Cursor Dialog Box - Indicates cursor depth on the display and the depth of the bottom directly below the cursor. The Latitude and Longitude of the cursor position, the distance to travel to the cursor position, and the bearing to the cursor position are shown with a GPS receiver. A waypoint can be marked at the cursor position for later retrieval and use with a GPS receiver.
NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either the information from the GPS receiver will be displayed on the view.
the area under your boat, including the following items:
Bait Ball Hollow Fish Symbol (83kHz, Wide Beam) Fish - The Fishfinder displays fish as arches and/or fish icons, and can be set to alarm when a fish of a certain size is detected. When a target is detected, a Fish ID+ symbol appears on the display with the depth displayed above it. The size of the symbol indicates 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. Shaded Fish Symbol (200 kHz, Narrow Beam) 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 gray levels moving across the display at the same depth. Cursor - Available in Freeze Frame and can be positioned in the Sonar View to provide depth of a sonar return and bottom depth below the cursor. RTS (Real Time Sonar) Window Structure - Where fish may be hiding.
device is connected to the 300 Series Fishfinder. If both devices are connected, then only

Sonar views:

Sonar View Sonar Zoom View 200/83 kHz Split Sonar View Big Digits View Circular Flasher View Snapshot and Recording View Self Test View
(see Start-Up Options Menu)

Navigation views:

Birds Eye View Chart View Chart/Sonar Combo View GPS Diagnostic View

Accessory Test View

Details about each view are available on the following pages.
To customize your view rotation: You can choose which views are hidden or visible in your view rotation. 1. Press the MENU key twice to access the tabbed Main Menu, then press the RIGHT Cursor key until the Views tab is selected. 2. Press the UP or DOWN Cursor keys to select a View. 3. Press the LEFT or RIGHT Cursor keys to change the status of the view from Hidden to Visible or vice versa. To change the Digital Readouts: Each view displays digital readout information (such as speed or time), which varies with the view selected, the accessory attached, and whether or not you are navigating. The digital readouts on the Sonar View can be customized. See Setup Menu Tab: Select Readouts for more information. 1. Press the MENU key twice to access the tabbed Main Menu, then press the RIGHT Cursor key until the Setup tab is selected. 2. Press the DOWN key to highlight Select Readouts, and press the RIGHT Cursor key to access the Select Readouts submenu.
NOTE: If the Select Readouts option does not appear under the Setup tab, change the User Mode to Advanced.
3. Press the UP or DOWN Cursor keys to select a Readout position, then press the RIGHT or LEFT Cursor keys to choose what will be displayed in that position. To hide the data window, select Off. (Course, Navigation, Off, Position, Speed, Temperature, Time+Date, Triplog, Voltage, Time).

Sonar View

Sonar View presents a historical log of sonar returns. The most recent sonar returns are charted on the right side of the display. As new information is received, the historical information scrolls left across the display. Upper and Lower Depth Range numbers indicate the distance from the surface of the water to a depth range sufficient to show the bottom. Depth is automatically selected to keep the bottom visible on the display, although you can adjust it manually as well (see Sonar X-Press Menu). Digital Readouts shown on the display will change based on the Select Readouts settings or the optional-purchase accessories attached (see Setup Menu Tab: Select Readouts). Freeze Frame: Use the 4-WAY Cursor Control key to freeze the display and move the cursor over a sonar return. The depth of the sonar return will be displayed at the bottom of the screen in the cursor dialog box.

Depth Upper Depth Range

Speed Cursor

Temperature Triplog

Sonar History Window

RTS Window

Cursor Dialog Box
NOTE: If the Depth number is flashing, it means that the unit is having trouble locating the bottom. This usually happens if the water is too deep, the transducer is out of the water, the boat is moving too fast, or for any other reason that the unit cant accurately receive continuous data.

Sonar Zoom View

Sonar Zoom View provides a magnified view of the bottom and structure. The Sonar Zoom View makes it easier to see separate sonar returns that would usually be displayed close together, such as those caused by fish suspended close to the bottom or within structure. The Zoom Level, or magnification, is displayed in the lower left corner of the display. Press the + or - ZOOM keys to increase or decrease the zoom level. The Zoomed View is displayed on the left side of the screen. As the depth changes, the zoomed view updates automatically. The Full Range View is displayed on the right side of the screen. The Full Range View includes the Zoom Preview Box, which shows where the zoomed view is in relation to the full range view. The Upper and Lower Depth Range numbers indicate the high and low range of the water which is being viewed. Digital Readouts cannot be customized; therefore, information such as water temperature and voltage are unavailable in the Sonar Zoom View.
Upper Depth Range, Full Range View Depth Upper Depth Range, Zoom View Zoomed View Full Range View

Zoom Preview Box

Lower Depth Range, Zoom View Zoom Level Lower Depth Range, Full Range View
200/83 kHz Split Sonar View
Split Sonar View displays sonar returns from the 83 kHz wide beam on the left side of the screen and sonar returns from the 200 kHz narrow beam on the right side of the screen. You can use the Split Sonar View to make side by side comparisons between the sonar returns from both beams. Depth is displayed in the upper left hand corner. The Digital Readouts in the Split Sonar View cannot be customized; therefore, information such as water temperature and voltage are unavailable in the Split Sonar View.
200 kHz Sonar History Window 83 kHz Sonar History Window

Lower Depth Range

Big Digits View provides digital data in a large, easy-to-see format. Digital Readouts: Depth is always displayed. Readouts for temperature, speed, and Triplog information are displayed automatically if the appropriate accessory is connected to the Fishfinder.

From Snapshot and Recording View, select Start Recording from the X-Press Menu. Slider Bar
Notes about Recording: While recording, press the EXIT key to exit the Snapshot and Recording X-Press Menu and scroll to a different view. Recording will continue. The slider bar at the bottom of the Snapshot and Recording View shows the recording progress and remaining space on the MMC/SD card. Pings Per Second: For maximum performance, keep the Pings Per Second setting on Auto (see Snapshot and Recording X-Press Menu). Viewing saved Screen Snapshots and Recording Playback are not available while in recording mode.

Playback a Recording

Recording File Information
Playback a Recording: 1. From the Snapshot and Recording View, press the UP or DOWN Cursor keys to scroll through the saved files and highlight a saved Recording. 2. Press the RIGHT Cursor key. Change Playback Settings: 1. Press the MENU key once to open the Snapshot and Recording X-Press Menu.

Highlighted File

Change Playback Settings
Playback indicates the control head is playing a saved recording. Open the X-Press Menu to adjust Playback settings. You can also use Freeze Frame and mark waypoints.
2. Use the X-Press Menu to adjust the Sonar Recordings Sensitivity, Upper Range, Lower Range, and the Playback Speed. See Snapshot and Recording X-Press Menu for details. Stop Playback: 1. Press the MENU key once to open the Snapshot and Recording X-Press Menu. 2. Highlight Stop Playback, and press the RIGHT Cursor key. Delete a Recording: 1. From the Snapshot and Recording View, press the UP or DOWN Cursor keys to scroll through the saved files and highlight a saved Recording. 2. Press the Menu key once, and select Delete Recording from the X-Press Menu. Press the RIGHT Cursor key. 23

Delete a Recording

From Snapshot and Recording View, select Delete Recording from the X-Press Menu.
Notes about Playback: Playback will flash periodically on the screen to indicate that the control head is playing a saved recording and not a live view. Navigation is not affected by the Sonar Recording feature, but any active navigation is cancelled and thumbnails and icons disappear when Playback begins or ends. Playback is paused automatically at the end of the recording. Freeze Frame: Press the 4-WAY Cursor Control key to pause Playback and move the Active Cursor to a location on the sonar view. The Cursor dialog box will show the depth and information for the location you choose. Press Exit to resume Playback. Press the MARK key during Playback to save a Screen Snapshot and/or mark a waypoint in the view or active cursor location you choose.

Your 300 Series Fishfinder includes a built-in UniMap with a more detailed map of North America (Domestic models) or a more detailed map of Europe and Southeast Asia, including Australia and New Zealand (International models). You can also purchase MMC/SD cards with additional chart information for a particular location. When you install the MMC/SD cards in your control head, your 300 Series Fishfinder will retrieve that chart and display it automatically.
NOTE: The MMC/SD Cards require a separate purchase. Your 300 Series Fishfinder supports Navionics Gold, HotMaps and HotMaps Premium on MMC or SD card media. Your 300 Series Fishfinder does NOT support Navionics Classic Charts or Platinum Cartography.
To insert an MMC/SD card: 1. Remove the MMC/SD slot cover. 2. Position the MMC/SD card so that the label faces the right side of the unit, and insert the card into the slot. Press down on the card until it clicks into place.
Inserting an MMC/SD into the Card Slot
3. Close the slot cover and turn the knob just 1/4 of a turn to close. Do NOT overtighten, as this will not improve water resistance and may damage the cover. 4. To Remove: Press the MMC/SD card into the slot and then release. The card will eject, and you can then pull the card from the slot.

Export Navigation Data

You can export all saved Tracks, Waypoints, and Routes from your Fishfinder to an optional-purchase MMC/SD card. To Export All Navigation Data: 1. Make sure that an optional-purchase MMC/SD card is installed in the slot. 2. Press the MENU key twice to access the Main Menu, then press the RIGHT Cursor key until the Navigation tab is selected. 3. Highlight Export All Nav Data and press the RIGHT Cursor key. The Confirm dialog box will appear. To confirm export, press the RIGHT Cursor key once more. To cancel export, press the LEFT Cursor key.
NOTE: If an MMC/SD card is not installed, an error message will be displayed. Insert the MMC/SD card and try again. NOTE: The MMC/SD cards and MMC/SD Card Reader require separate purchases. The MMC/SD Card Reader accessory can be used in conjunction with your personal computer to view and organize your exported navigation data. To purchase this accessory, visit our web site at www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468.
Whats on the 300 Series Control Head
Your 300 Series Fishfinder interface is easy to use. A combination of keys and special features allows you to control what you see on the display. Refer to the following illustration, and see Key Functions for more information.

X-Press Menu

The X-Press Menu provides a shortcut to your most frequently-used settings. The options provided on the X-Press Menu correspond with the current view. For example, if you are in a Sonar View and press the MENU key once, the Sonar X-Press Menu will display.
To use an X-Press Menu: 1. In any view, press the MENU key once. 2. Press the UP or DOWN Cursor keys to highlight an X-Press Menu option, then use the RIGHT or LEFT Cursor keys to change the menu setting.
NOTE: The X-Press Menu will collapse temporarily and the screen will update if it is affected by your menu setting change, which allows you to see the effects of your change immediately.
3. Reactivate the X-Press Menu by pressing the UP or DOWN Cursor keys. Total Screen Update - When you change any menu settings that affect the current view, the view will update immediately (i.e. you dont have to exit the menu to apply the change to the screen).
Menu options can be simplified or expanded by setting the User Mode to Normal or Advanced. See Main Menu: User Mode for details.

Main Menu

The Main Menu provides the standard set of menu options, including the settings that are changed less frequently. The Main Menu is organized under the following tabs to help you find a specific menu item quickly: Alarms, Sonar, Navigation, Chart, Setup, and Views.
NOTE: Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal. See Main Menu: User Mode for details.
Main Menu (Normal User Mode)
To use the Main Menu: 1. In any view, press the MENU key twice. 2. Press the RIGHT or LEFT Cursor keys to highlight a menu tab. 3. Press the DOWN or UP Cursor keys to select a specific menu option under that tab. 4. Press the RIGHT or LEFT Cursor keys again to change a menu setting. A down arrow at the bottom of a menu means that you can scroll to additional menu options using the DOWN Cursor key. A right or left arrow on a menu option means that you can use the RIGHT or LEFT Cursor keys to make changes or to see more information. Press the EXIT key to move quickly to the top of the tab.
Total Screen Update - When you change any menu settings that affect the current view, the view will update immediately (i.e. you dont have to exit the menu to apply the change to the screen).
Quick Tips for the Main Menu
From any menu option on a menu tab, press the EXIT key to jump directly to the top of the tab. From the bottom of a menu tab, press the DOWN Cursor key to jump directly to the top of the tab. From the top of a menu tab, press the LEFT or RIGHT Cursor keys to scroll to the next tab. You can also jump to the beginning or end of the tab rotation by repeatedly pressing the RIGHT or LEFT Cursor keys. If there is a down arrow at the bottom of a menu tab, press the DOWN Cursor key to scroll to additional menu options. If there is a right or left arrow on a menu option, press the RIGHT or LEFT Cursor keys to make setting changes or see more information. If you press MENU or EXIT to leave the Main Menu and then return to the Main Menu at a later time, the menu will open to the same tab as the last time the Main Menu was displayed.

Note for all Menu Settings
The settings in all menus are adjusted in the same way. Simply use the 4-WAY Cursor Control key to highlight a menu option, and then change the settings or activate the option (see Main Menu or X-Press Menu). Below is an example of how the menu options are described in this manual. Each description shows the menu option appearance, the available settings, and the specific control head settings required (i.e. advanced user mode, international only, view, navigation, or accesssory).
Menu Option Name Setup User Mode and other control head requirements Available Menu Settings and Default Setting Description Menu Option as it appears on the screen
User Mode (Normal or Advanced)
Menu options can be simplified or expanded by setting your Fishfinder User Mode to Normal or Advanced. Normal Mode is the default setting when you first power on your 300 Series Fishfinder. Normal mode is provided for users who want greater simplicity and fewer menu choices. Advanced Mode is provided for users who want the highest level of control over the Fishfinder. Several menu settings are added to the Main Menu when the User Mode is changed to Advanced. To change the User Mode setting: 1. Press the MENU key twice to access the Main Menu. 2. Press the RIGHT Cursor key until the Setup tab is selected. 3. Press the DOWN Cursor key to highlight User Mode on the Setup main menu. 4. Press the LEFT or RIGHT Cursor keys to change the User Mode setting. (Normal, Advanced, Default = Normal)
NOTE: Any changes made while in Advanced Mode will remain in effect after you switch back to Normal Mode. For example, the Select Readouts menu option is available when the User Mode is set to Advanced. If you change the Select Readouts settings while operating in Advanced User mode, the Select Readouts you choose will continue to display on the screen even if you switch back to Normal User Mode.

Sonar Tab, Normal Mode

Sonar Tab, Advanced Mode

Sonar X-Press Menu

(Sonar Views only)
The Sonar X-Press Menu provides a shortcut to your most frequently-used settings. Press the MENU key once while in any of the Sonar Views to access the Sonar X-Press Menu.
NOTE: Menu options can be expanded or simplified by setting the Fishfinder User Mode to Advanced or Normal. See Main Menu: User Mode for details.

Sensitivity

Settings: Low = 1, High = 20; Default = 10
Sensitivity controls how much detail is shown on the display and will adjust the sensitivity of all sonar frequencies. When operating in very clear water or greater depths, increase the sensitivity to see weaker returns that may be of interest. If the sensitivity is adjusted too high, the display may become too cluttered. Decrease the sensitivity to eliminate the clutter from the display that is sometimes present in murky or muddy water. If Sensitivity is adjusted too low, the display may not show many sonar returns that could be fish.

Bottom View

Settings: Inverse, Structure ID, WhiteLine, Bottom Black; Default = Inverse
Bottom View selects the method used to represent bottom and structure on the display. See Whats on the Sonar Display: Bottom Presentation for more information.

Bottom Range

(Sonar Zoom View only when Bottom Lock is On)
Settings: 10 - 60 feet, 2-10 fathoms, or 3-20 meters [International Models only], Default = 15 feet
Bottom Range allows you to control how much of the water column, measured up from the bottom, is shown in the Sonar Zoom View. Choose a small value to see low-lying bottom structure or details of the bottom return. Choose a larger value to see large structure in deeper water.
NOTE: It is possible to set the Bottom Range to be greater than the depth. In this case, you may see surface clutter in a wavy band that mirrors changes in the depth.

Bottom Lock

(Sonar Zoom View only)
Settings: Off, On; Default = Off
Bottom Lock changes the mode of the zoomed view in the Sonar Zoom View. Bottom Lock continuously graphs the bottom at a constant point on the display regardless of changes in depth. This flattens out the bottom contour but is effective at showing fish on or near the bottom.

Cancel Navigation

(only when Navigating)
Settings: Follow screen instructions to activate.
Cancel Navigation discards the current route and exits Navigation Mode. This menu option will only appear when you are currently navigating a route. This will not delete a previously-saved route.

Navigation X-Press Menu

(Navigation Views only)
The Navigation X-Press Menu provides a shortcut to your most frequently-used settings. Press the MENU key once while in the Bird's Eye, Chart, or Combo View to access the Navigation X-Press Menu.
NOTE: Menu options will vary depending on system settings, such as whether you are currently navigating.

Waypoint [Name]

(Only with an active cursor on a waypoint)
Settings: Edit, Delete, Target, Grid
Waypoint [Name] allows you to view the Waypoints submenu for the waypoint under your cursor. You can move the cursor onto an existing waypoint and press the MENU key once, or use Cursor to Waypoint to select a waypoint from the saved waypoints list.
NOTE: See Introduction to Navigation for more Waypoints information.
The Waypoint Submenu contains the following menu options: 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 saved waypoints list. Target allows you to apply a target to a waypoint selected from the saved waypoints list. Grid allows you to apply a trolling grid to a waypoint selected from the saved waypoints list.

Cursor to Waypoint

(Chart or Combo View only)
Cursor to Waypoint allows you to quickly move the cursor to any saved waypoint so that you can locate it or edit it. This X-Press Menu option only appears if you have saved waypoints.

Save Current Track

Save Current Track allows you to save the current track on the display. After the current track is saved, a new current track is started. Save Current Track appears on the Navigation X-Press Menu after navigation is stopped.

Clear Current Track

Clear Current Track allows you to clear the current track on the display and start a new track at the present position.

Save Current Route

Save Current Route allows you to save the current route being displayed. This menu option will only appear when you are currently navigating a route.

Skip Next Waypoint

Skip Next Waypoint removes the next waypoint from the current route. This menu option will only appear when you are currently navigating a route.

Remove Target

(only if a Target is Active)
Settings: Press the RIGHT Cursor key to activate.
Remove Target removes the waypoint target from the display. This menu option will only appear when a target has already been applied to a waypoint.
NOTE: See Introduction to Navigation: Add a Waypoint Target or Trolling Grid for more information.

Remove Grid

(only if a Grid is Active)
Remove Grid removes the waypoint grid from the display. This menu option will only appear when a grid has already been applied to a waypoint.

Sonar Window

(Combo View only)
Settings: Wide, Medium, Narrow; Default = Medium
Sonar Window sets the size of the Sonar Window in the Combo View. Sonar Window can only be accessed from the Combo View.
(Most recently-created waypoint)
Settings: Edit, Delete, Go To, Target, Grid
Waypoint [Name] allows you to view the waypoints submenu for the most recently created waypoint. You must have pressed the MARK key at least once since you last powered up the Fishfinder for this menu option to appear.

Water Type

Settings: Fresh, Salt (shallow), Salt (deep); Default = Fresh
Water Type configures your unit for operation in fresh or salt water. In salt water, you can also choose the shallow or deep setting. Water Type affects the accuracy of deep water depth readings. 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 difference. 83
Press the MENU key twice to access the Main Menu, then press the RIGHT Cursor key until the Navigation tab is selected.
NOTE: Menu options will vary depending on system settings, such as whether you are currently navigating. NOTE: Menu options can be expanded or simplified by setting the User Mode to Advanced or Normal. See Main Menu: User Mode for details.

Navigation Menu

Current Track
Settings: Save, Clear, Appearance
Current Track allows you to view the Current Track submenu. See Introduction to Navigation: Save or Clear a Current track for more information. The Current Track Submenu contains the following menu options: Save allows you to save the current track. Clear allows you to delete the current track. Appearance allows you to change the style and color of the current track. (Breadcrumb Trail, Dashed Line, Solid Line or Wide Line, and if a line, choose a grayscale color).

Saved Tracks

Settings: Edit, Delete, Default
Saved Tracks allows you view the Saved Tracks submenu. See Introduction to Navigation: Edit, Delete, or Hide Saved Tracks for more information. The Saved Tracks Submenu contains the following menu options: Edit allows you to select a saved track and change its Name, Visibility (hidden or visible), Style, and Color (for track line styles only). Delete allows you to delete a track from the saved tracks list. Default sets the default appearance of your tracks, including Visibility (hidden or visible), Style, and Color (for track line styles only).

Waypoints

Settings: Create, Edit, Delete, Cursor To, Go To, Target, Grid
Waypoints allows you to view the Waypoints submenu. See Introduction to Navigation for more information. The Waypoints Submenu contains the following menu options: Create allows you to create a new waypoint, name it, and edit it immediately. The current boat position will be used as the default, but you can set the coordinates to any valid position. The icon used to represent the waypoint in the Chart and Combo Views can also be changed. Edit allows you to choose from the saved waypoints list, and then edit the Name and Position (Latitude and Longitude), as well as assign an Icon to represent the waypoint in the Chart and Combo Views. Delete allows you to delete a waypoint from the saved waypoints list. Cursor To allows you to move the cursor quickly to a waypoint from the saved waypoints list. 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 saved waypoints list. Grid allows you to apply a trolling grid to a waypoint selected from the saved waypoints list.

Units - Depth
Settings: Domestic Models: Feet, Fathoms; International Models: Meters; Default = Feet/Meters
Units - Depth selects the units of measure for all depth-related readouts.

Units - Temp

(International only)
Settings: Celsius, Fahrenheit; Default = Celsius
Units - Temp selects the units of measure for all temperature-related readouts. International Models only.

Units - Distance

Settings: Domestic Models: Statute Miles, Nautical Miles, Default = Statute Miles; International Models: Meters/Kilometers, Meters/Nautical Miles, Feet/Statute Miles, Feet/Nautical Miles, Default = Meters/Kilometers
Units - Distance selects the units of measure for all distance-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.

Units - Speed

Settings: Domestic Models: mph, kts; International Models: kph; Default = mph/kph
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.

User Mode

Settings: Normal, Advanced; Default = Normal
User Mode sets the menu system to Normal or Advanced. When set to Normal (default setting), the basic set of menu options are shown in the menu system. When set to Advanced, additional menu options are added to the menu system. See Main Menu: User Mode for details.

Language

Settings: Various, Default = English
Language selects the display language for menus. International Models only.

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 Views to find out how to display Triplog information on the screen.

Restore Defaults

Use this menu choice with caution! Restore Defaults resets ALL menu settings to their factory defaults.

Select Readouts

(Advanced, Sonar View only)
Settings: Various, Default = Off
The readout position on the screen is shown in the Select Readouts Window.
Select Readouts sets the information to display in each of the 5 fixed-position data windows arranged around the left and bottom edges of the Sonar View screen. To leave the data window blank, select Off. See Views to change the Select Readouts. Data windows can display readouts from supported accessories such as GPS Receiver or Temp/Speed. Each data window can be empty or contain one of the following information categories: Course Navigation Position Speed Temperature Time + Date Triplog Voltage Time

*NMEA 0183 is a National Marine Electronics Association standard for data communication. NOTE: A separate purchase of accessory AS-HHGPS may be required for the NMEA output function.
The following NMEA sentences are output when NMEA Output is turned On: DPT - Depth MTW - Water Temperature GLL - Lat/Lon Position GGA - GPS Fix Data RMC - Recommended Minimum Specific GNSS Data VTG - Course Over Ground and Ground Speed ZDA - Time and Date When navigating, the following NMEA sentences are also output when NMEA Output is turned On: APB - Autopilot Sentence B BWR - Bearing and Distance to Waypoint RMB - Recommended Minimum Navigation Info 101
Sonar sets whether the Sonar views are shown in the View rotation. Select Off to deactivate Sonar and remove the Sonar Views from the View rotation.

Screen Snapshot

Screen Snapshot activates the screen snapshot function. When Screen Snapshot is enabled, pressing the MARK key creates a saved screen capture on the optional-purchase MMC/SD card installed in your units card slot. All active menus, dialog boxes, warnings and messages are captured and saved automatically.
NOTE: For more information, see Snapshot and Recording View and Snapshot and Recording X-Press Menu. NOTE: You must have an optional-purchase MMC/SD card installed for the Screen Snapshot feature to work. NOTE: If you use your MMC/SD card in two different Fishfinder units that have different screen sizes, the recordings made on one unit will still be present on the card, but will be represented by the Unavailable icon (circle with a slanted line through it) on the Snapshot and Recording View on the other unit.

Views Menu Tab

From any view, press the MENU key twice to access the tabbed Main Menu, then press the RIGHT Cursor key until the Views tab is selected. This menu tab allows you to set the available views to hidden or visible in the view rotation. The view will be removed from the view rotation if it is set to Hidden and will be displayed in the view rotation if it is set to Visible.
NOTE: See Views for more information.

Views Menu

Troubleshooting
Before contacting the Humminbird Customer Resource Center, please read the following section. Taking the time to review these troubleshooting guidelines may allow you to solve a performance problem yourself, and therefore avoid sending your unit back for repair.
Fishfinder Doesnt Power Up If your Fishfinder doesnt power up, use the Installation Guide that also comes with it for specific confirmation details, making sure that:
The power cable is properly connected to the Fishfinder control head. The power cable is wired correctly, with red to positive battery terminal and black to negative terminal or ground. The fuse is operational. The battery voltage of the power connector is at least 10 Volts. Correct any known problems, including removing corrosion from the battery terminals or wiring, or actually replacing the battery if necessary.

Grayscale The use of varying shades of gray to represent the strength of the sonar signal on the display. Traditionally, the strongest sonar signals are represented in black, and progressively weaker signals are represented in progressively lighter shades of gray. Noise The unintentional, external sound waves that interfere with the optimal operation of sonar. Noise appears as random dots on the display and is caused by a variety of sources. Many Humminbird products have a Noise Filter menu setting that allows the user to clear the screen of noise that is difficult to eliminate (also, see Troubleshooting). Pixels The picture elements, or small square blocks, that make up the image on the LCD. Measured as a vertical by horizontal number (i.e. 640V x 320H), this key specification typically indicates the quality of resolution. In fishfinders, the total resolution (vertical multiplied by horizontal) is often less important than the Vertical Pixel resolution because a greater number of vertical pixels provide finer resolution of targets detected by sonar. Sonar information on the horizontal axis can vary greatly, depending on boat speed and the Chart Speed setting. Power Output The amount of sound energy emitted into the water by the transducers
transmitter. Power output is measured using either RMS (Root Mean Square) or P-T-P (Peakto-Peak) measurement systems. Either method is acceptable, but it is important when comparing power outputs, to make sure that the same measurement system is being used for both outputs, because P-T-P numbers are 8 times higher than RMS numbers. Greater power output allows the sonar signal to penetrate through weeds and thermoclines, reach deeper depths and operate more effectively in noisy environments, such as when the boat is running at high speed.
Pulse Width (Pulse Length) The length of time that a sonar sound burst is transmitted into the water. Shorter pulse widths provide better target separation, but cannot travel to great depths. Longer pulse widths provide better depth penetration, but result in poorer target separation. Humminbird varies pulse width based on depth to optimize both target separation and depth performance. See Target Separation. Second Return Describes the appearance of a second sonar return below the primary
sonar return (bottom contour) at exactly twice the true depth. The second return is caused by the same sonar energy bouncing off the bottom once, rebounding to the water surface and then traveling back down to the bottom to be reflected again. Second returns are more common in shallow water and over hard bottoms; it is possible to see a third sonar return under some circumstances. The second return provides useful information to help determine bottom hardness, as areas with harder bottoms will generally create a second return. The second return can be used as a guide to set Sensitivity when in shallower water.

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