Humminbird 788ci HD DI User manual

A
788ci HD, 788ci HD DI,
& 788ci HD XD Combo
Operations Manual
788ci HD, 788ci HD DI,
& 788ci HD XD Combo
Operations Manual
531833-3 N_A

Thank You!
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.
ontact our ustomer Resource enter 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 you to 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 to the State of California to cause
cancer and/or reproductive harm.
WARNING! Do not travel at high speed with the unit cover installed. Remove the unit
cover before traveling at speeds above 20 mph.
WARNING! umminbird® is not responsible for the loss of data files (waypoints,
routes, tracks, groups, recordings, etc.) that may occur due to direct or indirect damage
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 umminbird®
manual: Snapshot and Recording View, SD Card Slot, and PC Connect. Also, contact
our Customer Resource Center with any questions.
N TE: The illustrations in this manual may not look exactly like the display on your
umminbird® model, but your model will work in the same way.

N TE: Some features discussed 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.
N TE: To purchase accessories for your fishfinder, visit our Web site at
humminbird.com or contact our Customer Resource Center at 1-800-633-1468.
R HS 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.
700 Series™, annon®, annonLink™, ontour XD™, Down Imaging™, DualBeam PLUS™,
Fish ID+™, Humminbird®, HumminbirdP ™, 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.
© 2011 Johnson Outdoors Marine Electronics, Inc. All rights reserved.
ATTENTION INTERNATIONAL CU TOMER : Produ ts 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 ountry and regional
regulations. Languages, maps, time zones, units of measurement, and warranty
are examples of features that are ustomized for Humminbird® international
units pur hased through our authorized international distributors.
To obtain a list of authorized international distributors, please visit our Web
site at humminbird.com or onta t our Customer Resour e Center at
[phone].

Power On 1
How onar Works 2
DualBeam PLUS™ Sonar (DualBeam PLUS™models only [788ci D]) .......................... 4
Down Imaging™ Sonar (Down Imaging™ models only [788ci D DI])..............................5
Xtreme Depth Sonar (Xtreme Depth Series™ models only [788ci D XD]) ........................6
Dual Beam Ice Transducer (with optional-purchase XI 9 20 Ice Transducer) .................... 7
QuadraBeam PLUS™ Sonar
(with optional-purchase QuadraBeam PLUS™ transducer) .............................................. 8
WideSide® Sonar (with optional-purchase WideSide® transducer) .................................. 9
Universal Sonar 2 (compatible w/ optional-purchase Minnkota trolling motors) .............. 10
How GP Works 10
What’s on the Control Head 12
Key Functions 13
POWER/LIGHT Key .................................................................................................. 13
VIEW Key ................................................................................................................ 13
ZOOM (+/-) Key........................................................................................................ 14
4-WAY ursor ontrol Key ...................................................................................... 14
HE K/INFO Key...................................................................................................... 15
MENU Key .............................................................................................................. 16
MARK Key ................................................................................................................ 16
GOTO Key.................................................................................................................. 17
VIEW PRESET Keys .................................................................................................. 17
EXIT Key .................................................................................................................. 17
D Memory Card lots 18
Add Maps to Your Fishing System.......................................................................... 19
Export Navigation Data............................................................................................ 20
Update Software ...................................................................................................... 22
Accessory Bus 23
Table of Contents
i

ii
What’s on the onar Display 24
Understanding the Sonar Display ........................................................................ 26
Real Time Sonar (RTS™) Window ........................................................................ 26
Sonar olors and Bottom View ............................................................................ 27
SwitchFire™ .......................................................................................................... 29
Freeze Frame and Active ursor .......................................................................... 29
Instant Image Update............................................................................................ 29
What’s on the Down Imaging™ Display
(Down Imaging™ models only [788ci HD DI]) 30
Understanding the Down Imaging™ Display ...................................................... 32
Interpreting the Display ........................................................................................ 32
Down Imaging™ Sensitivity.................................................................................. 33
Freeze Frame and Active ursor .......................................................................... 33
Views 34
ustomize your View Rotation.............................................................................. 34
Program each PRESET Key.................................................................................... 35
hange the Digital Readouts ................................................................................ 35
Sonar View ............................................................................................................ 36
Sonar Zoom View .................................................................................................. 37
Split Sonar View .................................................................................................... 38
Big Digits View ...................................................................................................... 39
Down Imaging™ View (Down Imaging™ models only [788ci D DI]).......................... 40
ircular Flasher View ............................................................................................ 42
Snapshot and Recording View.............................................................................. 47
Side Beam View (with optional-purchase QuadraBeam PLUS™ transducer).................. 54
WideSide® View (with optional-purchase WideSide® transducer) ................................ 58
Bird’s Eye View ...................................................................................................... 59
hart View.............................................................................................................. 60
hart/Sonar ombo View...................................................................................... 62
Table of Contents