Lowrance HOOK-3x User manual

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HOOK-3x DSI
Operation manual
HOOK-3x DSI

Copyright © 2015 Navico
All rights reserved.
Lowrance® and Navico® are registered trademarks of Navico.
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 Statement:
Lowrance HOOK-3x DSI
• Comply with CE under EMC directive 2004/108/EC
• Comply with the requirements of level 2 devices of the Radiocommunications (Electromagnetic
Compatibility) standard 2008.
The relevant Declaration of Conformity is available in the following website under model documentation
section: http://www.lowrance.com.
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.

PB 3
Introduction | HOOK-3x DSI Introduction | HOOK-3x DSI
Getting Started
Turn unit
on/o
To turn on/o the unit, press and
hold the LIGHT/POWER key for
three seconds.
Adjusting
the
backlight
Press the LIGHT/POWER key to
switch backlight levels. This unit
has 11 backlight levels.
Muting
audio
Select Audio from the Settings
menu to turn on/o unit audio.
Unit Controls
LIGHT/POWER: controls backlight level
and turns unit on/o
KEYPAD:controls cursor & selects items
on menus
FREQUENCY: changes the transducer
frequency
MENU: opens settings and page menus
ENTER:nalizes menu selections
ZOOM KEYS:(+) zooms in display; (-)
zooms out display
Introduction

4PB
Basic Operation | HOOK-3x DSI Basic Operation | HOOK-3x DSI
Basic Operation
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 to
open its submenu or dialog.
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.
Cursor
The keypad moves the cursor on the display.
Restore defaults
Resets the unit to default
settings. Restore defaults is
accessed on the Settings menu.
NOTE: Press the MENU key to exit
menus.

PB 5
DownScan Operation | HOOK-3x DSI DownScan Operation | HOOK-3x DSI
DownScan menu
Press MENU from the
DownScan page to view the
DownScan menu.
DownScan Operation Contrast
Adjusts the brightness ratio
between light and dark areas
on the screen, making it easier
to distinguish suspended
objects from the background.
Range
Range settings display the section
of the water column from the
water surface to the selected
depth range.
Frequency
Controls the transducer frequency
used by the unit. 800 kHz oers
the best resolution, while 455 kHz
has greater depth coverage.

6PB
DownScan Operation | HOOK-3x DSI DownScan Operation | HOOK-3x DSI
Ping Speed
Controls the rate the unit uses to send sonar waves
into the water. Ping speed adjustments can help
reduce interference from other transducers.
Overlay Data
Allows you to select data to be
displayed on top of the DownScan
page.
Settings
Accesses the Settings menu.
Overlay data

PB 7
Settings | HOOK-3x DSI Settings | HOOK-3x DSI
Settings menu
x2
Alarms
Enables alarms and selects alarm thresholds.
Alarms
Deep
Sounds the alarm when the vessel
enters water deeper than the selected
threshold
Shallow
Sounds the alarm when the vessel
enters water shallower than the selected
threshold
Low battery Sounds the alarm when voltage falls
below the selected threshold
To input threshold values:
1. Select Set Value
2. Press the keypad up
or down to increase/
decrease the numerical
value.
3. Press the keypad left/right to select the
previous/next digit.
Units
Selects the unit of measure used for
depth and temperature (Metric or
US Standard).
Backlight
Adjusts the brightness of the backlight. This unit
has 11 backlight levels. The backlight can also be
adjusted by tapping the LIGHT/POWER key.
Settings

8PB
Settings | HOOK-3x DSI Settings | HOOK-3x DSI
Audio
Turns on/o unit audio.
Language
Selects the language used on menus, dialogs and
text boxes. The unit will restart when the language
is changed.
Simulator
Simulates sonar activity allowing
you to become familiar with the
unit before taking it out on the
water.
Restore Defaults
Resets the unit to default settings.
About
Displays software information about the unit.

PB 9
Specications | HOOK-3x DSI Specications | HOOK-3x DSI
HOOK-3x DSI
General
Case Size 5.4” H (134 mm) x 6.8”W (174 mm); 6” H (152 mm) with bracket
Display (3.5” (8.9 mm) diagonal) 256 color TFT LCD
Waterproof standard IPX7
Backlight LED (11 levels)
Power
Transmit Power 500 W RMS
Power Requirement 12 V
Voltage Input 10 to 17 V
Fuse type 3-amp Automotive
Sonar
Max depth 300 ft (91 m)
Transducer Frequency 455/800 kHz
Max speed 70 mph
Transducer 455/800 kHz DSI transducer
Transducer cable 20 ft (6 m)

10 PB
Specications | HOOK-3x DSI Specications | HOOK-3x DSI