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 trouble-free 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 one-year 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 the full benefit from
all the features and applications of your Humminbird® product.
Contact our Customer Resource Center at 1-800-633-1468 or visit our Web
site at 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 youto 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.
WARNING! This product contains chemicals known tothe State of California to cause
cancer and/or reproductive harm.
WARNING! Do not travel at high speed with the unit cover installed. Removethe unit
cover before traveling at speeds above 20 mph.
WARNING! Humminbird® is not responsible for the loss of data files (waypoints,
routes, tracks,groups, recordings, etc.)that may occur due to director indirectdamage
to the unit’s hardware or software. It is important to back up your control head’s data
files periodically. Data files should also be saved to your PC before restoring the unit’s
defaults or updating the software. See the following sections of your Humminbird®
manual: Snapshot and Recording View, SD Card Slot, and PC Connect. Also, contact
our Customer Resource Center with any questions.
NOTE: The illustrations in this manual may not look exactly like the display on your
Humminbird® model, but your model will work in the same way.
NOTE: Some featuresdiscussed in this manual require a separate purchase,and some
features are only available on international models. Every effort has been made to
clearly identify those features. Please read the manual carefully in order to understand
the full capabilities of your model.
NOTE: To purchase accessories for your fishfinder, visit our Web site at
humminbird.com or contact our Customer Resource Center at 1-800-633-1468.
ROHS STATEMENT: Product designed and intended as a fixed installation or part of
a system in a vessel may be considered beyond the scope of Directive 2002/95/EC of
the European Parliament and of the Council of 27 January 2003 on the restriction of
the use of certain hazardous substances in electrical and electronic equipment.
ATTENTION INTERNATIONAL CUSTOMERS: Products sold in the U.S. are not
intended for use in the international market. Humminbird® international units
provide international features and are designed to meet country and regional
regulations. Languages, maps, time zones, units of measurement, and warranty
are examples of features that are customized for Humminbird® international
units purchased through our authorized international distributors.
To obtain a list of authorized international distributors, please visit our Web
site at humminbird.com or contact our Customer Resource Center at
(334) 687-6613.
700 Series™, Cannon®, CannonLink™, Contour XD™, Down Imaging™, DualBeam PLUS™,
Fish ID+™, Humminbird®, HumminbirdPC™, InterLink™, LakeMaster®, ProMap™,
QuadraBeam PLUS™, RTS™, RTS Window™, Structure ID®, WeatherSense®, WhiteLine™,
WideSide®, UniMap™, X-Press™ Menu, and Xtreme Depth Series™ are trademarked by or
registered trademarks of Johnson Outdoors Marine Electronics, Inc.
Baekmuk Batang, Baekmuk Dotum, Baekmuk Gulim, and Baekmuk Headline are registered
trademarks owned by Kim Jeong-Hwan.
Navionics® Gold, HotMaps®, and HotMaps® Premium are registered trademarks of Navionics®.
XM WX® is a registered trademark of XM Satellite Radio and Weather to the Power of X® is a
registered trademark of XM Satellite Radio Inc. All rights reserved.
Select Readouts
Depth Offset
Temp. Offset
Speed Calibration
Local Time Zone
Daylight Saving Time
Position Format
Time Format
Date Format
Digits Format
NMEA Output
Finding the Cause of Noise .................................................................................. 176
Specifications177
Glossary182
Contact Humminbird®190
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 Web site at humminbird.com or contact our Customer Resource Center at
(334) 687-6613.
NOTE: Entriesin this Table of Contents which list (with Temp/Speed only) require
the purchase of separate accessories. Visit our Web site at humminbird.com
to order accessories online or contact our Customer Resource Center at
1-800-633-1468.
NOTE: Contact our Customer Resource Center to determine which accessory
transducers are compatible with your Humminbird® Fishing System, or visit our
Web site at humminbird.com.
ix
Power On
Follow the instructions below to power on your Humminbird® control head.
788ci HD Title Screen
1. Press thePOWER/LIGHT key.
2. When the Title screen is displayed, press the MENU key to access the
Start-Up Options Menu.
3. If a functioning transducer is connected, Normal operation will be
selected automatically, and your Fishing System can be used on the
water. See Start-Up Options Menu for more information.
• If a transducer is not connected and you wait too long to select a
Start-Up Option, the system will default to whichever menu is
already highlighted.
• You can also select Simulator to learn how to use your control
head and save settings in advance for later use.
4. Quick Setup: If this is the first time the unit has been powered on (after
installation or after restoring defaults), the Quick Setup dialog box will
display on the screen. Use the 4-WAY Cursor Control key to set the
Language, Water Type, and Max Depth. Press the EXIT key to close the
dialog box.
NOTE: The Quick Setup settings can be changed at any time. See each menu
option in The Menu System for details.
1
Power On
How Sonar Works
Sonar technology is based on sound waves. The 700 Series™ Fishing System
uses sonar to locate and define structure, bottom contour and composition, as
well as depth directly below the transducer.
Your 700 Series™ Fishing System sends a sound wave signal and determines
distance by measuring the time between the transmission of the sound wave
and when the sound wave is reflected off of an object; it then uses the reflected
signal to interpret location, size, and composition of an object.
Sonar is very fast. A sound wave can travel from the surface to a depth of
240 ft (70 m) and back again in less than 1/4 of a second. It is unlikely that your
boat can “outrun“ this sonar signal.
SONAR is an acronym for SOund and
NAvigation Ranging. Sonar utilizes precision
sound pulses or “pings“ which are emitted
into the water in a teardrop-shaped beam.
The sound pulses “echo“ back from objects
in the water such as the bottom, fish, and
other submerged objects. The returned
echoes are displayed on the LCD screen.
Each time a new echo is received, the old
echoes are moved across the LCD, creating
a scrolling effect.
How Sonar Works
2
When all the echoes are viewed side by side, an
easy to interpret “graph“ of the bottom, fish, and
structure appears.
The sound pulses are transmitted at various
frequencies depending on the application. Very
high frequencies (455 kHz) are used for greatest
definition but the operating depth is limited. High
frequencies (200 kHz) are commonly used on
consumer sonar and provide a good balance
between depth performance and resolution. Low
frequencies (83 kHz) are typically used to achieve
greater depth capability.
The power output is the amount of energy
generated by the sonar transmitter. It is commonly
measured using two methods:
• Root Mean Square (RMS) measures power
output over the entire transmit cycle.
• Peak to Peak measures power output at the
highest points.
The benefits of increased power output are the
ability to detect smaller targets at greater distances,
ability to overcome noise, better high speed
performance, and enhanced depth capability.
3
How Sonar Works
DualBeam PLUS™ Sonar
(DualBeam PLUS™ models only [788ci HD])
Your 788ci HD Fishing System uses a
200/83 kHz DualBeam PLUS™ sonar system with
a wide (60°) area of coverage. DualBeam PLUS™
sonar has a narrowly focused 20° center beam,
surrounded by a second beam of 60°, expanding
your coverage to an area equal to your depth. In
20 feet of water, the wider beam covers an area
20 feet wide.
DualBeam PLUS™ sonar returns can be blended
together, viewed separately, or compared sideby-side. DualBeam PLUS™ is ideal for a wide
range of conditions - from shallow to very deep
water in both fresh and salt water. Depth
capability is affected by such factors as boat
speed, wave action, bottom hardness, water
conditions and transducer installation.
How Sonar Works
4
Down Imaging™ Sonar
75 Degree Total Coverage
16°
75°
25°
455kHz
200kHz
455kHz
45°
800kHz
(Down Imaging™ models only [788ci HD DI])
Your 788ci HD DI Fishing System uses Down
Imaging™ technology. The Down Imaging™
transducer scans the water with razor-thin,
high-definition beams. The beams are wide
(side to side) but very thin front to back.
The Down Imaging™ beams can be operated
at two frequencies: 455 kHz (75°) or 800 kHz
(45°). Select 455 kHz for the best overall
image quality and depth. Select 800 kHz for
the sharpest image. See Down Imaging™X-Press™ Menu: Imaging Frequency for
more information.
The transducer also uses conical beams to
provide data in traditional 2D format (see
What’s on the Sonar Display). Select 455 kHz
for a narrowly focused 16° center beam, or
select 200 kHz for a wider 25° beam (see SonarMenu Tab: Beam Select).
Depth capability is affected by such factors
as boat speed, wave action, bottom hardness,
water conditions and transducer installation.
5
How Sonar Works
Xtreme Depth Sonar
(Xtreme Depth Series™ models only [788ci HD XD])
Your 788ci HD XD Fishing System uses the XD
transducer to provide extreme depth coverage
with DualBeam PLUS™ technology.
The Xtreme Depth sonar beams can be operated
at two frequencies: 50 kHz (74°) and 200 kHz
(20°). The wide, 50 kHz beam transmits at a low
frequency to provide greater depth coverage, up
to 2500 ft (762 m). The narrow, 200 kHz center
beam transmits at a high frequency to provide
maximum detail at shallower depths.
The DualBeam PLUS™ technology allows you to
view the sonar returns blended together,
separately, or side-by-side (see Sonar MenuTab: Beam Select and Views for more
information).
Depth capability is affected by such factors as
boat speed, wave action, bottom hardness,
water conditions and transducer installation.
How Sonar Works
6
Dual Beam Ice Transducer
(with optional-purchase XI 9 20 Ice Transducer)
The XI 9 20 Ice Transducer provides
selectable dual-frequency sonar with a
wide area of coverage. Selectable dualfrequency gives you the option of two
beams, and both beams will cover the
bottom and provide high definition. The
20° center beam provides the highest
definition, while the 60° beam provides
wider coverage. Depth capability is
affected by such factors as bottom
hardness and water conditions. Whether
fishing in shallow or very deep water,
selectable dual-frequency is ideal for a
variety of conditions.
NOTE: Contact our Customer Resource
Center to determine which accessory
transducers are compatible with your
Humminbird® Fishing System, or visit our
Web site at humminbird.com.
7
How Sonar Works
QuadraBeam PLUS™ Sonar
90° Total Coverage
Bottom Coverage=2 x Depth
35°60° 20°35°
455 kHz455 kHz
83 kHz
200 kHz
(optional-purchase QuadraBeam PLUS™
transducer)
QuadraBeam PLUS™ sonar provides an
extremely wide 90° area of coverage.
QuadraBeam PLUS™ starts with two fanshaped 35° 455 kHz Side Structure locating
sonar beams to spot fish, bait, and structure
to the left and right of the boat over an area
of the bottom that’s always equal to twice
your depth. For a detailed view below the
boat, QuadraBeam PLUS™ uses DualBeam
PLUS™ technology, with precision 20° and
wide 60° beams. QuadraBeam PLUS™ finds
more fish faster and can even tell you where
to put your bait by showing if fish are to the
left, right, or directly beneath your boat.
NOTE: Contact our Customer Resource
Center to determine which accessory
transducers are compatible with your
Humminbird® Fishing System, or visit our
Web site at humminbird.com.
How Sonar Works
8
WideSide® Sonar
(optional-purchase WideSide® transducer)
The WideSide® transducer is a specialized
"side-looking" transducer that is extremely
useful for bank fishing or looking for bait
fish in open water. The WideSide®
transducer uses three different sonar
elements that transmit signals to the left,
right, and straight down from your boat.
The downward beam is 200 kHz with a 24°
area of coverage. This beam maintains a
continuous digital depth readout from the
bottom directly beneath your boat. The side
beams are 455 kHz with a 16° area of
coverage. The side-looking elements can
be used independently or together to
locate targets near the surface of the water
on either side of your boat.
NOTE: Contact our Customer Resource
Center to determine which accessory
transducers are compatible with your
Humminbird® Fishing System, or visit our
Web site at humminbird.com.
Your 700 Series™ Fishing System supports Universal Sonar 2, a state-of-theart, integrated and protected transducer that is built into the lower unit of
Minnkota trolling motors. With Universal Sonar 2, all wiring is concealed inside
the indestructible composite shaft—out of sight and out of harm’s way, with
no clamps, ties, or exposed wires. Universal Sonar 2 features new temperature
sensing and the performance of DualBeam PLUS™ technology (available with
all Humminbird® DualBeam PLUS™ models). An expanded view and greater
bottom detail gives you a totally new perspective of the water below, along
with optimal sonar performance to help you find fish.
How GPS Works
Your 700 Series™ Fishing System also supports GPS (Global Positioning
System) and chartplotting. It uses GPS and sonar to determine your position,
display it on a grid, and provide detailed underwater information.
GPS uses a constellation of satellites that
continually send radio signals to the earth. The
GPS receiver on your boat receives signals from
satellites that are visible to it. Based on time
differences between each received signal, the GPS
receiver determines its distance to each satellite.
With distances known, the GPS receiver
mathematically triangulates its own position. With
once per second updates, the GPS receiver then
calculates its velocity and bearing.
GPS was originally intended for military use; however, civilians may also take
advantage of its highly accurate position capabilities, typically within +/- 4.5
meters, depending on conditions. This means that 95% of the time, the GPS
receiver will read a location within +/- 4.5 meters of your actual position. Your
GPS Receiver also uses information from WAAS (the Wide Area Augmentation
System), EGNOS (the European Geostationary Navigation Overlay Service), and
MSAS (the MTSAT Satellite Augmentation System) satellites if they are
available in your area.
How GPS Works
10
The following GPS functionality is currently supported by the 700 Series™
Fishing System when it is connected to the included GPS receiver:
• View current position
• View current track (breadcrumb trail)
• View precision speed and heading from your GPS receiver
• Save tracks, waypoints, and routes
• Travel a route and navigate from one waypoint to the next
See Chart View and Add Maps to Your Fishing System for more information.
11
How GPS Works
What’s on the Control Head
Your 700 Series™ 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.
2
4
3
1
ScreenMENU key
1
CHECK/INFO key
2
ZOOM (–) key
3
ZOOM (+) key
4
VIEW key
5
4-WAY Cursor Control key
6
(LEFT, RIGHT, UP, or DOWN Cursor keys)
MARK key
EXIT key
GOTO key
VIEW PRESET keys
POWER/LIGHT key
SD Card slot cover
*Your control head will have one of the CHECK/INFO keys shown here
Both keys function in the same way.
5
6
7
8
9
10
11
12
13
7
8
9
10
11
12
13
.
The Control Head
12
Key Functions
Your Fishing System user interface consists of a set of easy-to-use keys that
work with various on-screen views and menus to give you flexibility and control
over your fishing experience.
POWER/LIGHT Key
The POWER/LIGHT key is used to power the Fishing System on
and off. You can also use the POWER/LIGHT key to adjust the
backlight and contrast of the display.
Power On: Press the POWER/LIGHT key to power the unit on. When the Title
screen is displayed, press the MENU key to access the Start-Up Options Menu.
Power Off: Press and hold the POWER/LIGHT key for 3 seconds. A message will
appear to indicate how many seconds there are until shutdown occurs. To
ensure that shutdown occurs properly and any menu settings will be saved,
your Fishing System should always be turned off using the POWER/LIGHT key.
Adjust the Backlight or the Display Background
Color: Press the POWER/LIGHT key to access the
Light and Background submenu. Use the 4-WAY
Cursor Control key to select Light or Background,
and then use the LEFT or RIGHT Cursor key to
change the settings. Press EXIT to exit the Light
and Background submenu.
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 or Views Menu Tab).
NOTE: Press the EXIT key to cycle through the views in reverse order.
13
Key Functions
ZOOM (+/–) Key
The +/– Zoom key has multiple functions, depending on
the situation:
• In any of the Navigation Views or the Sonar Zoom View, press the
+/– Zoom key to change the scale of the view to appear closer or farther
away. See Views and Introduction to Navigation for more information.
• In the Circular Flasher View (Ice Fishing Mode: On), press the +ZOOM
key to display a 2x magnified view of the selected area on the Flasher
dial. See Views: Circular Flasher View for more information.
• Down Imaging™ View: Use the 4-WAY Cursor Control key to move the
active cursor to a position on the screen. Press the + ZOOM key to
magnify your selection. Press the – ZOOM key to decrease the scale.
NOTE: The cursor must be active for the zoom feature to work in the Down
Imaging™ View.
4-WAY Cursor Control Key
(LEFT, RIGHT, UP, or DOWN Cursor keys)
The 4-WAY Cursor Control key has multiple functions, depending
on the view, menu, or situation.
• Menu Selection: Press the DOWN or UP Cursor keys to highlight a
menu option, then press the RIGHT or LEFT Cursor keys to change a
menu setting.
NOTE: Menu settingsare implemented and saved immediately - no further action
is required.
• Freeze Frame: In Sonar View and Down Imaging™ View, press any
arrow on the 4-WAY Cursor Control key to freeze the display and move
the active cursor to a location on the screen. A cursor dialog box will
display to show the depth of the location you choose.
• Active Cursor: Press any arrow on the 4-WAY Cursor Control key, and
the active cursor will appear on the screen.
Key Functions
14
• Chart View: Press any arrow on the 4-WAY Cursor Control key to pan
the chart and highlight decluttered waypoint icons.
NOTE: In either Freeze Frame or Active Cursor mode, you can also make the
cursor move diagonally by pressing in between two of the arrows on the
4-WAY Cursor Control key.
• Bird’s Eye View: The 4-WAY Cursor Control key controls the motion of
the eye point.
• Snapshot and Recording View: Press the UP or DOWN Cursor keys to
highlight a recording icon, and then press the RIGHT Cursor key to start
recording playback. Press the RIGHT or LEFT Cursor keys to control the
speed of playback.
• Circular Flasher View (Ice Fishing Mode: On): Press the UP or DOWN
Cursor keys to move the Depth Cursor. Press the RIGHT or LEFT Cursor
keys to adjust the Zoom Range (see Views: Circular Flasher View).
CHECK/INFO Key
Press the CHECK/INFO key while in Bird's Eye, Chart, or
Combo View to display information about objects that are near
an active cursor. If the cursor is not active, the Chart Info
submenu will be displayed. See Views: Viewing Cartography
for more information.
NOTE: Your controlhead will have one of the keys shown here.Both keys function
in the same way.
15
Key Functions
MENU Key
The MENU key is used to access the menu system. See The
Menu System for more information.
• Start-Up Options Menu: Press the MENU key during the power up
sequence to view the Start-Up Options menu.
• X-Press™ Menu: Press the MENU key once in any view to access the
X-Press™ Menu, which provides frequently-used menu settings that
correspond with the current view or navigation mode.
• Main Menu: Press the MENU key twice in any view to access the Main
Menu, which is organized under tabbed headings to help you find a
specific menu item quickly.
MARK Key
Press the MARK key while in any view to mark the position of a
waypoint. The MARK key function works if you have the GPS
receiver connected.
• Active Cursor: The waypoint will be marked at the cursor location.
• Without Active Cursor: The waypoint will be marked at the boat
location.
• If Screen Snapshot is active, a waypoint will be created, and a screen
snapshot will also be saved to the optional-purchase SD memory card
(see Views: Snapshot and Recording View). Navigation is not affected
by the Screen Snapshot feature.
NOTE: If Screen Snapshot is enabled but there is not a GPS receiver connected,
pressing the MARK key will capture the screen image and display an error saying
that a GPS position fix is required to create a waypoint.
NOTE: You must have an optional-purchase SD memory card installed for the
screen snapshot feature to work.
Key Functions
16
GOTO Key
The GOTO key has multiple functions, depending on the situation:
• If the Cursor is active, press the GOTO key while in any view to create
a waypoint and start navigation towards that waypoint.
• If the Cursor is not active, press the GOTO key to display the saved
waypoints list, and then highlight a waypoint. Press the RIGHT Cursor
key to begin navigation.
• Man Overboard: Press and hold the GOTO key for more than 1.5 seconds
to activate the Man Overboard (MOB) function. Once MOB is activated,
any current navigation will be canceled and the current route will be
discarded without notification (see Man Overboard (MOB) Navigation).
VIEW PRESET Keys
The VIEW PRESET keys are used to save your three favorite views
for quick retrieval. Instead of using the VIEW key to cycle through
all the views to find the one you want, you can program the VIEW
PRESET keys to display a specific view immediately. See Views
for more information.
EXIT Key
The EXIT key has multiple functions, depending on the situation:
• If an alarm is sounding, press the EXIT key to cancel the alarm.
• If a menu tab is selected, press the EXIT key to exit the menu mode and
return to the view.
• If a menu is active, press the EXIT key to return to the previous level in the
menu system.
• From any view, press the EXIT key to cycle through the available views in
reverse order.
• If Freeze Frame is active, press the EXIT key to returnto a scrolling display.
• If the Cursor is active, press the EXIT key to remove the cursor from the
display.
17
Key Functions
SD Memory Card Slots
The SD memory card slots on your control head
can be used with SD memory cards (optionalpurchase required) to add detailed charts to
your Fishing System, update software, or export
Inserting an SD
into the Card Slot
NOTE: The SD Memory Cards require a separate purchase. For more
information, visit our Web site at humminbird.com or contact our Customer
Resource Center at 1-800-633-1468.
To insert an SD card:
1. Remove the SD slot cover.
2. Position the 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.
3. Close the slot cover and turn the knob just 1/4 of a turn to close. Do
NOT over-tighten, as this will not improve water resistance and may
damage the cover.
To remove an SD card
:
1. Remove the SD slot cover.
2. Press the SD card into the slot and then release. The card will eject
from the slot.
navigation data from your Fishing System.
NOTE: Do not leave the SD slot cover open. The slot cover should alwaysbe closed
to prevent water damage to the unit.
SD Card Slots
18
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