Lowrance HOOK-4 User manual

lowrance.com
ENGLISH
HOOK Series
Operation manual
HOOK-4 HOOK-5 HOOK-7 HOOK-9

Copyright © 2016 Navico
All rights reserved.
Lowrance® and Navico® are registered trademarks of Navico.
Fishing Hot Spots® is a registered trademark of Fishing Hot Spots Inc.
Navionics® is a registered trademark of Navionics, Inc.
Navico may nd it necessary to change or end our policies, regulations and special oers at any time. We reserve
the right to do so without notice. All features and specications subject to change without notice.
Compliance Statements
Lowrance HOOK-4, HOOK-5, HOOK-7 and HOOK-9
• meets the technical standards in accordance with Part 15.103 of the FCC rules
• complies with CE under RTTE directive 1999/5/EC
• complies with the requirements of level 2 devices of the Radiocommunications (Electromagnetic
Compatibility) standard 2008
For more information please refer to our website: www.lowrance.com.

WARNING: When a GPS unit is used in a vehicle, the vehicle operator is solely responsible for operating
the vehicle in a safe manner. Vehicle operators must maintain full surveillance of all pertinent driving or
boating conditions at all times. An accident or collision resulting in damage to property, personal injury or
death could occur if the operator of a GPS-equipped vehicle fails to pay full attention to travel conditions
and vehicle operation while the vehicle is in motion.
Warning
The user is cautioned that any changes or modications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment o and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that of the receiver
• Consult the dealer or an experienced technician for help
NOTE: This manual covers HOOK-4, HOOK-5, HOOK-7 and HOOK-9 units. As a result, screenshots of
menus and dialogs may not match the look of your unit.

45
Table of Contents | HOOK series Table of Contents | HOOK series
Introduction...................................... 6
Unit controls.............................................6
Inserting microSD cards ..........................7
Basic operation................................ 8
Setup wizard............................................8
Pages ......................................................8
Selecting pages....................................... 8
Page menus ............................................8
Working with menus ..............................10
Dialogs...................................................10
Entering text .......................................... 11
Fishing modes ....................................... 11
Cursor....................................................12
Goto cursor............................................12
Advanced mode ....................................13
Standby mode .......................................13
Restore defaults ....................................13
Pages.............................................. 14
Steer page............................................. 14
Sonar page............................................ 14
Downscan page ....................................15
Chart page.............................................15
Combo pages ........................................16
Overlay data ..........................................17
Sonar operation............................. 18
CHIRP ...................................................18
Trackback ..............................................19
Sonar menu........................................... 19
Sonar options ........................................23
Downscan options .................................24
Sonar settings........................................25
Installation .............................................27
Table of contents

45
Table of Contents | HOOK series Table of Contents | HOOK series
DownScan operation..................... 28
Trackback .............................................28
DownScan menu ...................................28
Ping speed.............................................30
Downscan options .................................30
Chart operation.............................. 33
Chart menu............................................33
Waypoints, Routes, Trails......................34
Routes screen .......................................35
Trails screen ..........................................39
Orientation............................................. 41
Chart settings ........................................42
Navigation settings ................................43
AIS................................................... 45
AIS setup............................................... 45
Target symbols ......................................46
Viewing AIS target information ..............47
Settings .......................................... 48
Settings menu........................................48
System...................................................48
Alarms ..................................................50
Saving screenshots ...............................50
Specications ................................ 52
Index ............................................... 56

67
Introduction | HOOK series Introduction | HOOK series
Getting started
Turn unit
on/off
To turn on/off the unit, press and
hold the LIGHT/POWER key for
three seconds.
Man
Overboard
waypoint
Press the ZOOM IN and ZOOM OUT
keys at the same time to set a Man
Overboard waypoint. Your system will
automatically create an active route
back to the MOB waypoint. You must
cancel navigation to terminate the
function.
Adjusting
the
backlight
This unit has 10 backlight levels.
Press the LIGHT/POWER key to
switch backlight levels.
Muting
Audio
Select Audio from the System
menu and press ENTER. Enable/
disable Mute.
Unit controls
LIGHT/POWER: controls backlight level
and turns unit on/off
KEYPAD: controls cursor & selects
items on menus
PAGES: allows you to select a page to
view
MENU: opens settings, context and
page menus
ENTER: nalizes menu selections; save
waypoint at cursor position
MOB: press and hold both Zoom keys to
create a Man Overboard waypoint
ZOOM Keys: used to zoom in/zoom out
microSD slot: insert a blank microSD card to save
screen captures; or insert a microSD mapping card to
use mapping data
Introduction

67
Introduction | HOOK series Introduction | HOOK series
Inserting microSD cards
HOOK-5, HOOK-7 and HOOK-9 HOOK-4
Carefully slide the microSD card into the slot until it clicks into place. To remove, carefully push in the
card until it clicks out of place.

89
Basic Operation | HOOK series Basic Operation | HOOK series
Selecting pages
To select a page, press the keypad in the direction
of the desired page and press ENTER.
Page menus
The Steer, Downscan, Sonar and Chart pages have
menus that can only be accessed when those
pages are displayed.
Steer page
Steer menu
Setup wizard
The Setup wizard will appear when the unit is
turned on for the rst time. To choose your own
settings, do not run the setup wizard. To restart
the Setup wizard, restore defaults.
Pages dialog
Pages
Basic operation
NOTE: Available pages vary depending
on the unit and the connected transducer.

89
Basic Operation | HOOK series Basic Operation | HOOK series
Chart page Chart menu
Downscan page
Downscan menu
Sonar page
Sonar menu
Combo pages
Press the PAGES key twice to switch active
panels. The page menu for active page will be
displayed when the MENU key is pressed. The
active panel is denoted by an orange border.
Accessing the Settings menu
x2
Two-panel page Three-panel page

10 11
Basic Operation | HOOK series Basic Operation | HOOK series
On/Off features
Select an on/o menu item and
press ENTER to turn it on/o.
Dropdown menus
Access the dropdown
menu and press the
keypad up/down to select
the desired item and press
ENTER.
Dialogs
Dialogs are used for user input
or for presenting information to
the user. Depending on the type
of entry, dierent methods are
used to conrm, cancel or close
the dialog.
Accessing menu items
The keypad and ENTER key are used to select
menu items and open submenus. Use the keypad
to highlight the desired item and press ENTER.
Working with menus
There are several menu types used to make
adjustments to options and settings, including
scrollbars, on/o features and dropdown menus.
Scrollbars
Select the scrollbar and press the
keypad left (decrease) or right
(increase).
NOTE: Press the MENU key to Exit
menus.