HDS Gen2Touch
Chartplotter Operator manual
ENGLISH
lowrance.com
Copyright © 2012 Navico
All Rights Reserved
Lowrance® and Navico® are registered trademarks of Navico.
Fishing Hot Spots® is a registered trademark of Fishing Hot Spots Inc. Copyright© 2012 Fishing Hot Spots.
Navionics® is a registered trademark of Navionics, Inc.
NMEA 2000® is a registered trademark of the National Marine Electronics Association.
Additional mapping data: Copyright© 2012 NSI, Inc.: Copyright© 2012 by Richardson’s Maptech.
Warning: It is your sole responsibility to install and use this instrument in a manner that will not cause accidents, personal injury or property damage. Always observe safe boating practices.
Global Positioning System: The Global Positioning System (GPS) is operated by the US Government which is solely responsible for its operation, accuracy and maintenance. The GPS is subject to changes which could affect the accuracy and performance of all GPS equipment anywhere in the world, including this instrument.
Electronic Chart: The electronic chart used by this instrument is an aid to navigation designed to supplement, not replace, official government charts. Only official government charts supplemented by notices to mariners contain the information required for safe and prudent navigation. Always supplement the electronic information provided by this instrument with other plotting sources such as observations, depth soundings, radar and hand compass bearings. Should the information not agree, the discrepancy must be resolved before proceeding
any further.
Navico may find it necessary to change or end our policies, regulations and special offers at any time. We reserve the right to do so without notice. All features and specifications subject to change without notice.
IMPORTANT NOTE ABOUT RESTRICTED OPERATION OUTSIDE OF THE AMERICAS
Units designed for sale in the Americas will have limited Language and Units functionality outside of a zone defined as 30 degrees West longitude on the East and the International Date Line on the West. Language options will be restricted to English (US) only and Units will be restricted to non-metric measures.
Units sold with Enhanced US Basemap, Nautic Insight, Lake Insight or Insight USA units are impacted and will not have this functionality outside of the defined region. Units sold with WorldWide Basemap will function without these restrictions.
Preface
As Navico is continuously improving this product, we retain the right to make changes to the product at any time which may not be reflected in this version of the manual. Please contact your Lowrance dealer if you require any further assistance.
It is the owner’s sole responsibility to install and use the instrument and transducers in a manner that will not cause accidents, personal injury or property damage. The user of this product is solely responsible for observing safe boating practices.
NAVICO HOLDING AS AND ITS SUBSIDIARIES, BRANCHES AND AFFILIATES DISCLAIM ALL LIABILITY FOR ANY USE OF THIS PRODUCT IN A WAY THAT MAY CAUSE ACCIDENTS, DAMAGE OR THAT MAY VIOLATE THE LAW.
Governing Language: This statement, any instruction manuals, user guides and other information relating to the product (Documentation) may be translated to, or has been translated from,
another language (Translation). In the event of any conflict between any Translation of the Documentation, the English language version of the Documentation will be the official version of the Documentation.
This manual represents the product as at the time of printing. Navico Holding AS and its subsidiaries, branches and affiliates reserve the right to make changes to specifications without notice.
Copyright
Copyright © 2012 Navico Holding AS.
Warranty
The warranty card is supplied as a separate document.
In case of any queries, refer to the brand web site of your display or system: www.lowrance.com
Declarations and conformance
This equipment is intended for use in international waters as well as inland waters and coastal sea areas administered by countries of the USA, E.U. and E.E.A. For more information refer to the separate HDS Gen 2 Touch Installation manual.
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About this manual
This manual is a reference guide for operating the Lowrance HDS Gen 2 Touch system. It assumes that all equipment is installed and configured, and that the system is ready to use.
The manual does not cover basic background information about how equipment such as radars and AIS work. Such information is available from our web site: www.lowrance.com/en/Support/Library/.
Important text that requires special attention from the reader is emphasized as follows:
¼¼ Note: Used to draw the reader’s attention to a comment or some important information.
Warning: Used when it is necessary to warn personnel that they should proceed carefully to prevent risk of injury and/or damage to equipment/personnel.
The software
This manual is written for Lowrance HDS Gen2 Touch Release to Market 1 (RTM1). Please check web site for details on release version.
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Contents
7HDS Gen2 Touch screen and keys
8The HDS Gen2 Touch home screen
9Basic operation
9The power key
9First time startup
9Using the touchscreen
10Menus
12Dialog boxes
13Positioning a Man Overboard waypoint
14Screen capture
15Pages
15 Page overview
15Selecting pages, quick splits
16Selecting Active panel
16 Customizing pages
18Data Overlay
19Chart
19The Chart page
19Vessel symbol
20Chart scale
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Using the cursor on the chart page |
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Panning the chart |
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Zooming |
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Chart menu |
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Chart options |
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Chart overlay |
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Chart Settings |
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Navionics chart options |
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Navionics settings |
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Waypoints, routes & trails |
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The waypoints, route and trails screens |
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Routes |
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Trails |
Contents | Lowrance HDS Gen2 Touch |
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36Navigating
36Goto cursor
36Navigating on the chart
37Navigation settings panel
39Steer page
40 StructureMap™
40 Turning on StructureMap overlay
40 Selecting Structure Source
42Structure options
43Logging Structure data
45Scanning Fishing areas
46 The Instruments panels
46 The dashboards
46 Customizing the Instrument panel
48Using Video (9” and 12” units only)
48The video page
48Setting up the video page
49The Alarm system
49 The alarms dialog
51Acknowledging an alarm
52Utilities
52Vessels
53Sun/moon
53Trip Calculator
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Find |
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Alarms |
53Waypoints/routes/trails
54Tides
54 Satellites
54Files
55Settings
56System Settings
56Changing system settings
57Units
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Contents | Lowrance HDS Gen2 Touch |
58Using the simulator
58Simulator mode
58Demo mode
58Selecting simulator source files
59Advanced simulator settings
60Using the radar (optional)
60Radar operation modes
61Adjusting range
61Using the cursor on the radar page
62Measuring range and bearing to a target
62Radar menu
64EBL/VRM
65Setting a guard zone around your vessel
66Radar Settings menu
67Radar orientation
68MARPA
71Radar overlay
72Radar installation menu
74Using AIS
74Target symbols
75Viewing information about AIS targets
76Vessel alarms
76 The vessel settings panel
78 Networking
78 Auto configuration
78 Data sources
81 Device list
81 Diagnostics
81SIRIUS status (US only)
82NMEA 2000
82NMEA 0183
83Fuel
83Vessel setup
84Fuel used
84Find fuel
Contents | Lowrance HDS Gen2 Touch |
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85SIRIUS™ weather (North America only)
85The weather display
86Showing detailed weather information
86 Weather symbology
88Weather alarms
89Weather reports
90Animating SIRIUS™ weather graphics
91Audio
91 Enabling audio
91The audio media bar
92Operating the audio source
92Audio controls
93Using the FM/AM radio
94Using SIRIUS radio
96 Maintenance
96 Preventive maintenance
96Simple maintenance procedures
97Software upgrades
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Troubleshooting |
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Backing up your system data |
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Index |
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Contents | Lowrance HDS Gen2 Touch |
HDS Gen2 Touch screen and keys
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1Touchscreen
2SD Card reader
Used for optional InsightHD, Navionics, other compatible third-party cartography, software updates, transfer of user data and system backup.
3Waypoint key
A short press opens the waypoint menu. A long press opens the Find menu. Press the key twice to quickly save a waypoint.
4Pages key
A short press displays the home screen. Repeated short presses toggles through favorite pages.
5IN / OUT / MOB key
Zoom key for chart and radar pages. A simultaneous press on both keys will position a Man Overboard (MOB) waypoint at the vessel’s position.
6Power key
A long press turns the unit ON/OFF.
A short press brings up the backlight and power dialog. Repeated short presses toggles between preset brightness levels.
Introduction | Lowrance HDS Gen2 Touch |
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The HDS Gen2 Touch home screen
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¼¼ Note: video is only available on HDS Gen2 Touch 9” and 12” units. The radar option will only be shown when the unit is connected to
a radar.
1Utilities panel
Tap an icon to access utility data.
2Favorites panel
Used to display Favorite pages, save new Favorites or clear previously configured pages.
3Pages
Tap a page icon to view the page full screen. Press and hold a page icon to view quick split combo page options.
4More
Tap to see the full menu.
5Back button
Tap to exit the home screen and return to the previous page.
6Local time
7Water depth
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Introduction | Lowrance HDS Gen2 Touch |
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Basic operation |
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The power key |
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Press and hold: |
Turn unit on/off |
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Display dialog for |
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Single press: |
brightness adjustment, |
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night mode, standby |
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mode and power off |
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Repeated |
Toggle preset brightness |
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levels (10 - 6 - 3- 1) |
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¼¼ Note: If the power key is released before shut-down is completed, the power off is cancelled.
A night mode which optimizes the color palette for low light conditions, is included.
¼¼ Note: Details on the chart may be less visible when Night mode is selected!
When in Standby mode, the backlight for touchscreen and keys are turned off to save power. The system will continue to run in the background. To switch from Standby mode to normal operation, press the power key.
First time startup
The device configuration dialog appears when you start up the
unit for the first time. It will reappear at the next restart if you select Maybe later. Tap Close to manually configure settings.
Using the touchscreen
Basic touchscreen operation on the different pages is shown in the table.
The Pages section later in this manual has more information about page-specific touchscreen operation.
Basic Operation | Lowrance HDS Gen2 Touch |
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Operation |
Menu/Dialogs |
Pages |
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Chart |
Radar |
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Tap |
Select/toggle item |
Activate cursor |
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Activate cursor selection mode |
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Adjust slider value |
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Scroll dialog |
Pan chart |
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Drag |
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Move cursor |
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Hide page menu |
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Menus
Menus are used to operate the system and to adjust settings.
• You select a menu item and toggle on/off menu check boxes by tapping the selected item.
• You adjust slider bar values by dragging your finger on the slide bar. Minor adjustments can be made by tapping above or below the slider bar.
• Drop-down menu items are selected by tapping the
item and then the selected value.
Toggle menu
Slide bar
Dropdown menu
Page menus
Page menus for each operation mode are on the right side of the screen.
Page menus can be hidden to allow pages to be displayed full screen. Drag the menu to the right to hide the menu.
¼¼ Note: When the cursor is active, some features on page menus will be replaced with cursor mode features.
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Basic Operation | Lowrance HDS Gen2 Touch |
Back button
You can return to the previous screen or menu by pressing the Back button.
Page menu |
Hiding page menu |
Hidden system menu
The page menu for each operation mode has a hidden system menu. To access the hidden system menu, place your finger on the top menu item and drag down.
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Basic Operation | Lowrance HDS Gen2 Touch |
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Settings dialog
You can access the settings dialog for each operation mode from the hidden system menu or from the Utilities panel on the home screen.
Dialog boxes
You select entry fields and keys in a dialog box by tapping the screen. You can only enter information when a field is selected and highlighted.
Some dialog listings might extend beyond the screen area. These dialogs will include a scroll indicator, and you scroll by dragging the list. A dialog is closed by tapping the Close button.
Numeric and alphanumeric keyboards will automatically be displayed when required for entering user information in dialogs.
A virtual keyboard is operated by tapping the virtual keys.
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Basic Operation | Lowrance HDS Gen2 Touch |
Using the cursor
The cursor is by default not shown on any page. Tap the screen to activate the cursor on the chart and radar pages. The cursor information window will show position coordinates at the cursor position and range and bearing to the vessel.
To remove the cursor and cursor window from the page, tap the
Clear cursor button.
On the Chart page, tap Restore cursor to display the cursor in its previous location. Restore cursor is a useful feature for toggling between your current boat location and the cursor position.
Panning
You can pan the chart by dragging your finger in any direction.
Cursor assist mode
Press and hold your finger on the screen to switch the cursor to selection mode. The selection tool will appear above your finger. Drag the selection tool over the desired item.
Positioning a Man Overboard waypoint
If an emergency man overboard situation should occur, you can position a Man Overboard waypoint at the vessel’s current position by pressing both zoom keys simultaneously.
When you activate the MOB function the following actions are automatically performed:
•a MOB waypoint is positioned at the vessel’s position
•the display switches to a zoomed chart page, centered on the vessel position
•the unit displays navigation information back to the MOB waypoint
Basic Operation | Lowrance HDS Gen2 Touch |
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Cancel navigation
The unit will continue navigating toward the MOB waypoint until the waypoint is reached or until you cancel navigation.
Delete a MOB waypoint
1.Cancel navigation.
2.Tap Waypoint MOB on the page menu.
3.Tap Delete.
Screen capture
Simultaneously press and hold the Pages and power keys to take a screenshot. By default, screen captures are saved to internal memory.
Refer to the Utilities section of this manual for information on viewing screen captures and saving files to a SD card.
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Basic Operation | Lowrance HDS Gen2 Touch |
2 Pages
Page overview
This unit supports up to 7 page types. Each has a corresponding group of preconfigured quick split combo pages.
Quick splits are two-panel combination pages featuring the selected page combined with each of the other pages. Quick splits can not be modified, but you can select/save your own page combination using the Favorites feature. You can save up to 10 favorites. Pages, quick splits and favorites are all accessed from the homescreen.
¼¼ Note: Video is available only on 9” and 12” units. The radar option will only be shown when the unit is connected to a radar.
¼¼ Note: Sonar and/or Structure icons will only appear on the homescreen when the unit is connected to a sonar and/or Stucture source via an Ethernet connection.
Selecting pages, quick splits
Tap a page icon to view the page full screen. Press and hold a page icon to view quick split combo page options.
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Pages | Lowrance HDS Gen2 Touch |
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Selecting Active panel
You can change active panels by tapping the desired panel. The active panel will have an orange border.
Adjusting splits
The size of panels can be adjusted by tapping Adjust splits on the hidden system menu. Drag the adjustment button horizontally to resize the panels. Tap Save to confirm changes.
Customizing pages
Saving Favorites
You can save and edit Favorite pages from the page editor screen.
1.Tap an empty Favorites icon on the Favorites panel or tap Customize to modify an existing favorite
-- The Page editor panel will be displayed
2.Drag and drop page icons to set up your custom screen
3.Select a panel configuration
4.Save the page layout by tapping Save.
¼¼ Note: Tap Clear to cancel changes and select a new panel configuration. Tap Discard to cancel changes and return to the
homescreen.
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Pages | Lowrance HDS Gen2 Touch |
You can select from seven different panel configurations as illustrated below.
¼¼ Note: You can cycle through favorite pages by pressing the Pages key.
Editing favorites
1.Tap Customize on the Favorites panel
2.Tap an existing favorite
3.Drag a page icon from the preview
4.Tap Save
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Pages | Lowrance HDS Gen2 Touch |
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Deleting favorites
1.Tap Customize on the Favorites panel
2.Tap the page icon for the page you want to remove
3.Tap Clear and tap Save
Data Overlay
Allows you to overlay information on the active page. You can turn on/off viewing of overlay data and edit/add overlay data by accessing the hidden system menu from any page screen.
1.Access the hidden system menu
2.Tap Edit overlay and tap Add
3.Select a data category
4.Tap the data you want to overlay
5.Drag the overlay data into the desired position on the page
6.Tap Save
Customizing overlay data
You can toggle the overlay data type between an analog and digital display, select data size, and change previously configured data from the Edit overlay configuration menu.
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Pages | Lowrance HDS Gen2 Touch |
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Chart
The chart page displays your position relative to land and other chart objects. On the page you can plan and navigate routes, place waypoints, overlay a radar image, a StructureMap image and weather information, and display AIS targets.
Note: This unit has different embedded cartography depending on the region.
The first part of this section describes how to use the charts, and is common to both Insight and Navionics. Chart options depend on which cartography is in use on the unit.
The Chart page
* Optional chart items
Extension line * Vessel
Grid lines
Opens page menu
Waypoint *
Cursor
Range rings *
Trail*
Zoom keys |
Chart range scale |
¼¼ Note: You turn the optional images on/off individually. Refer to Chart settings later in this section.
Vessel symbol
When a GPS and a suitable heading sensor are connected to the system, the vessel symbol indicates vessel position and heading.
Without a heading sensor installed, the icon will position itself using COG (Course over Ground). If no GPS is available the vessel symbol will include a question mark.
Chart | Lowrance HDS Gen2 Touch |
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Chart scale
You zoom in and out on the chart by using the Zoom keys.
Chart range scale and range rings interval (when turned on) will be shown in the lower right corner of the chart panel.
Using the cursor on the chart page
The cursor is by default not shown on the chart page.
When you tap the screen, the cursor will become visible and the cursor position window will be activated. When the cursor is active, the chart will not follow the vessel.
Press and hold the screen to activate cursor assist mode. Cursor assist places the cursor above your finger and stops chart scrolling to allow for accurate placement of waypoints.
To remove the cursor and cursor window from the chart, tap Clear cursor. Tap the Restore cursor button to reactivate the cursor and
cursor window.
Goto cursor
You can navigate to the cursor by tapping Goto cursor on the menu.
Panning the chart
You can move the chart in any direction by dragging your finger in any direction.
Tapping Clear Cursor will remove the cursor from the page, and the chart center will be positioned at the vessel.
Zooming
You zoom in/zoom out the chart by tapping the onscreen Zoom keys. You Zoom in to see less of the map with more detail; zoom out to see more of the map with less detail. You can also use the dedicated +/- keys to zoom.
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Chart | Lowrance HDS Gen2 Touch |
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Chart menu |
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When the cursor is active, some features on the chart |
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menu will be replaced with cursor mode features. |
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Tap Clear cursor to return to the normal chart menu. |
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Saving waypoints |
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When the cursor is not active, you can save a waypoint |
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at the vessel position by tapping New waypoint on the |
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chart menu. |
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Using the touchscreen to save a waypoint at the cursor: |
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Active cursor |
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Tap New on the chart menu |
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3. Tap New waypoint and tap Save
¼¼ Note: You can also save a waypoint by pressing the dedicated waypoint key twice. With the cursor active, the waypoint will
be saved at the cursor position. When the cursor is inactive, the waypoint will be saved at the vessel position.
Creating routes
You can quickly create routes on the chart page.
1.Tap the screen to activate the cursor
2.Tap New on the menu
3.Tap New route
4.Tap the screen to position the first routepoint. Tap the screen to place more routepoints
5.Save the route by tapping Save on the menu
Measuring distance
The cursor can be used to measure the distance between your vessel and a selected position, or between two points on the chart.
Chart | Lowrance HDS Gen2 Touch |
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¼¼ Note: To measure distance from your vessel, tap the desired location on the map and the distance to that location will be shown in the info box in the lower left corner of the screen.
1.Tap the screen and then tap Measure on the menu
•The measuring icons will appear with a line drawn from the vessel center to the cursor position, and the distance will be listed in the info box.
2.Drag one of the map pins to the desired point. The distance between the two points will be shown in the info box.
You can turn off the measuring function by tapping Finish measuring on the menu.
¼¼ Note: You can use the measure function in conjunction with cursor assist mode to accurately position the map pins.
Find
You can search for items on the chart by using the Find feature. Tap the desired location on the screen to search from the cursor position. Clear the cursor from the screen to search from the vessel position.
¼¼ Note: You must have a SIRIUS data package subscription to search for Fueling stations and an AIS receiver to search for vessels.
Chart options
Orientation
Several options are available for how the chart is rotated on the page. The chart orientation symbol in the upper right corner of the page indicates the north direction.
North up
Displays the chart with the north direction upward. Corresponds to the usual orientation of nautical charts.
North up |
Heading up |
Course up |
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Chart | Lowrance HDS Gen2 Touch |
Heading up
Displays the chart with the vessel’s heading directly up on the chart image. Heading information is received from a compass. If heading is not available, then the COG from the GPS will be used.
Course up
Rotates the chart in the direction of the next point when in navigation mode. If the unit is not in navigation mode the heading up orientation will be used until you start navigating
Look ahead
This option centers the chart slightly forward of your vessel so you can maximize your view ahead.
View 2D, 3D
You can toggle the view on the chart between 2D and 3D by tapping the View button.
3D chart view options
There are two 3D views available:
•Rotate - default mode keeping the boat in center on the chart panel
•Pan - allows you to move the 3D chart view away from the vessel
You toggle between these two modes by pressing Camera on the menu or by tapping the pan and rotate icons at the top of the screen.
Rotate mode
In this mode the camera follows the vessel. The vessel’s position will be in center if Look Ahead is not selected.
The camera angle is by default as seen from your eye position, looking toward the vessel. The vessel’s rotation on the chart is defined by the chart orientation settings.
Chart tilted in rotate mode
Chart | Lowrance HDS Gen2 Touch |
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You can change the camera tilt angle and rotate the camera around the vessel by dragging your finger on the screen.
¼¼ Note: When in rotate mode, use horizontal motions to rotate the vessel. Use vertical motions to change the viewer perspective.
When rotate is selected the camera position is fixed, and the camera can only be rotated and tilted. You rotate and tilt the camera by tapping and dragging your finger on the screen.
Pan mode
You switch from Rotate mode to Pan mode by tapping Camera on the menu or by tapping the rotate icon at the top of the screen.
The Rotate mode allows you to view the entire 3D chart, regardless of vessel position.
You can rotate and move the camera (pan) away from your vessel. You switch between panning and rotating camera motion by tapping the icons on the right side of the chart panel.
When pan is selected, you move the camera away from the vessel and around in the chart by tapping and dragging on the screen. When you remove your finger from the chart the view will remain in the selected position.
Imagery
Lowrance mapping can be displayed in two different imagery styles, either as 2D basic mapping style, or with shaded relief presenting chart including terrain imaging.
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2D mapping |
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Chart detail
Low
This is the basic level of information that includes information that is required in all geographic areas. It is not intended to be sufficient for safe navigation.
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Chart | Lowrance HDS Gen2 Touch |
Medium
This is the minimum information sufficient for navigation
Full
This is all available information for the chart in use
Categories
Insight charts includes several categories and sub-categories that you can turn on/off individually depending on which information you want to see on your display.
Displaying information about chart and chart objects
When you tap a chart item, a waypoint, a route or a target, basic information about the item will appear on the screen and an Info button will appear on the page menu.
Tap the onscreen basic information display or tap the Info button to view all available information for the item.
¼¼ Note: Popup information has to be enabled to see basic item information.
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Chart | Lowrance HDS Gen2 Touch |
Selecting chart data
This unit can use built-in Lowrance map data as well as Navionics,
Fishing Hotspots, legacy LakeMaster and other third-party mapping cards. Tap Change to Navionics or Change to Lowrance to
switch chart data the unit is using.
¼¼ Note: The system will not automatically switch to embedded cartography if the SD card is removed. A low-resolution chart will be displayed until you re-insert the SD card or manually switch back to embedded cartography. When a third-party mapping card is inserted, the system will prompt you to switch to SD card cartography, if the unit is not in the correct chart mode.
Chart overlay
Radar, StructureMap and weather information can be displayed as overlay on the chart page.
¼¼ Note: Weather overlay currently is only available in the United States. When radar, weather or StructureMap overlay is selected, the chart context menu will be expanded to include basic functions for the selected overlay.
Radar, StructureMap and SIRIUS weather functions are described in separate sections in this manual.
Chart Settings
3D boat selection
You can select different boat icons that will be used as the current position symbol when the chart is in 3D mode.
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Chart | Lowrance HDS Gen2 Touch |
Range Rings
You can turn on/off range rings from the chart settings menu.
The range rings can be used to show the distance from your vessel to other chart objects. The range scale is set automatically by the system to suit the chart scale.
Heading and Course extension
The length of the extension lines are either set as a fixed distance, or to indicate the distance the vessel will move in the selected time period.
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COG |
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Heading |
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For other vessels COG data is included in the message received from the AIS system.
Pop-up information
Selects whether basic information for chart items shall be displayed when you tap the item.
Grid lines
Turns on/off viewing of longitude and latitude grid lines on the chart.
Waypoints, routes and trails
You can turn on/off viewing of waypoints, routes and trails on the chart.
Navionics chart options
To view Navionics data, you must insert a Navionics mapping card into the SD card slot on the front of the unit. The system will prompt you to switch to SD card cartography when a card is inserted..
Orientation
Several options are available for how the chart is rotated on the page. The chart orientation symbol in the upper right corner of the page indicates the north direction.
Chart | Lowrance HDS Gen2 Touch |
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Look ahead
This option centers the chart slightly forward of your vessel so you can maximize your view ahead.
View
The Navionics chart database provides you with detailed coastal cartography, with 2D and 3D view options.
•2D presents chart information in a basic mapping mode with Navionics details
•3D provides a three dimensional graphical view of land and sea contours
Synchronize 2D/3D chart
Links the position shown on one chart with the position shown on the other chart when a 2D and a 3D chart are shown side by side. You can turn on/off Synchronize 2D/3D from the chart settings menu when Navionics is the selected chart data.
Community layer
Turns on/off viewing of user generated data downloaded from the Navionics website.
Presentation
Shading
Shading adds terrain information to the chart.
Traditional 2D chart |
Chart with shading |
Photo overlay
Photo overlay enables you to view satellite photo images of an area as an overlay on the chart. The availability of such photos is limited to certain regions and only available on certain Navionics mapping cards. You can view photo overlays in either 2D or 3D modes.
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Chart | Lowrance HDS Gen2 Touch |