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Sherwood Scuba Insight User manual

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1

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2
RESPONSIBLE COMPUTER DIVING
Since the advent of dive computers, it is a common mistake to assume that the old traditional rules of diving no longer apply,
but the truth is just the opposite. Before you dive using your Insight, keep these basic rules in mind:
 Plan each dive, and dive your plan - Your Insight was not designed to make decisions for you, only to provide you
with the information you need to make responsible decisions for yourself. This begins with a dive plan that will
help you avoid a low air or decompression situation.
 Do not plan any dive that e ceeds your training or e perience level.
 Inspect your computer before every dive - If it shows any signs of damage or abnormal function, D N T dive with
it until it has received factory service.
 Make your deepest dive first - When making repetitive dives, it is imperative to ensure that each consecutive dive is
shallower than the one before. This will allow your body's slower tissues to continue outgassing nitrogen.
 Make the deepest part of your dive first, and gradually work your way to the surface using a staircase profile - The abil-
ity to perform multilevel diving is one of the most important contributions of a dive computer, and you should
take advantage of it. It will increase your bottom time and at the same time decrease your risk of decompression
sickness.
 Ascend slowly by following an ascent line whenever possible, or by ascending diagonally toward the surface - Watch
the Ascent Rate Indicator closely while you ascend, and keep it in the green zone as much as possible.
 A Safety Stop of 3 minutes or more is recognized as a prudent action to reduce the probability of bubble forma-
tion in divers.
Responsible
Responsible
3
Insight
The following symbols are used throughout this manual to bring your attention to situations that require special consid-
eration. Be sure to read and follow all instructions carefully.
A N TE is used to emphasize an important maintenance technique.
A CAUTI N is used before a maintenance technique that will result in damage to parts if that tech-
nique is not followed carefully.
A WARNING is used before a procedure that will result in serious injury or death if the procedure
is not followed carefully.
N
4
WARNINGS:
 The Insight is intended for use by recreational divers who have successfully completed a nationally
recognized course in scuba diving, and diving with enriched nitrogen-oxygen (nitrox) breathing gas
mixtures
 It is intended only for no decompression diving, NOT intentional decompression diving
 It must not be used by untrained persons who may not have knowledge of the potential risks and haz-
ards of scuba diving, and diving with enriched nitrogen-oxygen (nitrox) mixtures
 You must obtain scuba certification, and certification in diving with enriched nitrogen-oxygen mixtures
(nitrox) before using the Insight if you have not already done so
 It is NOT for use by military and commercial divers
 It should NOT be utilized for any competitive, or repetitive square wave or decompression diving, as it
is intended solely for recreational use and no decompression multilevel diving
 As with all underwater life support equipment, improper use or misuse of this product can cause seri-
ous injury or death
 Conduct your dives in such a manner so as to insure that you continuously check the computer's
proper function
 Read and understand this owners manual completely before diving with the Insight
 If you do not fully understand how to use this dive computer, or if you have any questions, you should
seek instruction in its use from your authorized Sherwood dealer before you utilize this product
 Never participate in sharing or swapping of a dive computer Doing so may result in injury or death
The Insight provides information based upon a divers personal dive profile, and therefore must not be
shared between divers You should never, under any circumstances, swap your computer with an-
other unit between dives, or share your computer with another diver underwater
5
Insight
LIMITED TWO-YEAR WARRANTY
Sherwood Scuba guarantees, to the original purchaser only, that the Insight will be free of defects in materials and/or craftsmanship under normal recreational
multilevel scuba use for two years from date of purchase, provided proper care and annual service are performed as described within this dive computer manual.
Should your Insight prove to be defective for any reason (other than those listed in the limitations section below) it will be repaired or replaced (at Sherwood
Scuba's discretion) free of charge excluding shipping and handling charges.
his warranty will be considered void if the registration card is not filled out completely at the time of purchase and mailed to Sherwood Scuba within 30 days
of purchase, and/or if the annual inspection is not done according to this dive computer manual. his warranty is non-transferrable and applies to the original
purchaser only. All correspondence concerning this warranty must be accompanied by a copy of the original sales receipt and a copy of the owners portion of
the warranty registration card including the annual inspection record.
Once each year you must return the Insight to an Authorized Sherwood Dealer within 30 days of the original purchase date anniversary to keep the
two year limited warranty in force. Annual inspection includes verification of depth accuracy and proper general function. Labor charges for the annual in-
spection are not covered by the warranty. You must provide a copy of the original sales receipt and a copy of the owners portion of the warranty registration
card including the annual service record to obtain warranty service.
Statement of imitations - General:
Warranty does not cover damage from accident, abuse, battery leakage, tampering, lack of proper care and maintenance and/or proper annual servic-
ing, or improper use of the Insight. Modifications or repair by anyone other than a Sherwood Sales and Service Center authorized to service the Insight will
void the warranty. Sherwood Scuba will not be responsible for recovery or replacement of the product in the event of loss or theft. Sherwood Scuba, its dis-
tributors, and retailers make no warranties, either expressed or implied, with respect to this product or its owners manual except those stated in the preceding
paragraphs. In consideration of the sale of the Insight to you, you agree and understand that in no event will Sherwood Scuba, its distributors or retail-
ers, be held liable for any personal injuries resulting from its operation, or for any other damages whether direct, indirect, incidental, or consequential
even if Sherwood Scuba is advised of such damages.
Some states do not allow the exclusion or limitation of implied warranties or liabilities for incidental or consequential damages, so the above limitation may not
apply to you.
Warranty does not extend to plastic gauge face, o-rings, batteries, or damage due to accident, abuse, modification, or tampering.
6
COPYRIGHT NOTICE
his dive computer manual is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to
any electronic medium or machine readable form without prior consent in writing from Sherwood Scuba LLC / 2002 Design.
Insight Dive Computer Manual, Doc. No. 12-2704
© 2002 Design, 2005
TRADEMARK NOTICE
Sherwood Scuba, the Sherwood Scuba logo, and HydroGlo are registered trademarks of Sherwood Scuba LLC, Insight and the Insight logo are also trade-
marks of Sherwood Scuba LLC. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued, or applied for, to protect the following design features:
Data Sensing and Processing Device (U.S. Patent no. 4,882,678), Dive ime Remaining (U.S. Patent no. 4,586,136), and Ascent Rate Indicator (U.S. Patent
no. 5,156,055).
DECOMPRESSION MODEL
he programs within the Insight simulate the absorption of nitrogen into the body by using a mathematical model. his model is merely a way to apply a lim-
ited set of data to a large range of experiences. he Insight dive computer model is based upon the latest research and experiments in decompression theory.
Still, using the Insight, just as using the U.S. Navy (or other) No Decompression Tables, is no guarantee of avoiding decompression sickness, i.e. the
bends. Every divers physiology is different, and can even vary from day to day. No machine can predict how your body will react to a particular dive pro-
file.
7
Insight
CONTENTS
FEATURES and DISPLAYS ......................................................................................................................... 11
Introduction ................................................................................................................................................... 12
Control Buttons ............................................................................................................................................. 13
Intuitive Displays ........................................................................................................................................... 14
Bar Graphs ............................................................................................................................................... 15
Ascent Rate Indicator............................................................................................................................ 15
Nitro en Bar Graph ............................................................................................................................... 16
Depth Displays .......................................................................................................................................... 17
Date Display ............................................................................................................................................. 17
Time Displays ........................................................................................................................................... 18
Temperature Display ................................................................................................................................. 19
Backli ht Feature .......................................................................................................................................... 19
Operatin Temperature ................................................................................................................................. 19
Audible Alarm ................................................................................................................................................ 20
ACTIVATION and SETUP ...........................................................................................................................21
Push Button Activation .................................................................................................................................. 22
Water Contact Activation .............................................................................................................................. 23
Surface Mode ............................................................................................................................................... 24
Enterin Settin s .......................................................................................................................................... 24
To Set FO2 (50%) Default ......................................................................................................................... 25
To Set Units of Measure ........................................................................................................................... 26
To Set Date/Time ...................................................................................................................................... 26
To Set Dive Profile Data Samplin Rate ................................................................................................... 28
To Set Alarms ............................................................................................................................................ 28
To Set Wet Activation ................................................................................................................................ 29
Responsible
8
CONTENTS (CONTINUED)
Reset (Clear) ................................................................................................................................................ 30
PRE DIVE and DIVE MODES ...................................................................................................................... 1
Pre Dive Modes ............................................................................................................................................ 32
FO2 Mode ................................................................................................................................................. 32
FO2 Set for Use with Air .......................................................................................................................... 33
FO2 for Use with Nitrox ........................................................................................................................... 33
FO2 50% Default ON ............................................................................................................................ 33
FO2 50% Default OFF .......................................................................................................................... 34
Settin FO2 for Use with Nitrox ............................................................................................................ 34
Plan Mode ................................................................................................................................................. 35
No Decompression Dive Mode ..................................................................................................................... 36
No Decompression Dive Mode Safety Stop ............................................................................................ 38
POST DIVE MODES .................................................................................................................................... 9
Post Dive Surface Mode ............................................................................................................................... 40
Transition Period ....................................................................................................................................... 40
After the Transition Period (the First 2 Hours) .......................................................................................... 41
To view Temperature and O2SAT ......................................................................................................... 41
To access FO2 Mode ............................................................................................................................ 41
To access Plan Mode ............................................................................................................................ 42
To access Fly/Desat Mode .................................................................................................................... 42
Lo Mode .................................................................................................................................................. 43
After the First 2 Hours ............................................................................................................................... 45
External Access Mode .............................................................................................................................. 46
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9
Insight
CONTENTS (CONTINUED)
SPECIAL SITUATIONS ................................................................................................................................47
Emer ency Decompression ......................................................................................................................... 48
Nitro en Bar Graph ................................................................................................................................... 48
Decompression Dive Mode ...................................................................................................................... 49
Mana in Decompression Stops .............................................................................................................. 51
Violation Modes ............................................................................................................................................ 52
Conditional Violation Mode ....................................................................................................................... 52
Delayed Violation Mode ............................................................................................................................ 53
Immediate Violation Mode and Gau e Mode ........................................................................................... 55
Permanent Violation ................................................................................................................................. 56
Oxy en Exposure ......................................................................................................................................... 57
Partial Pressure of Oxy en ....................................................................................................................... 57
Hi h PO2 Dive Mode ............................................................................................................................ 57
Oxy en Accumulation ............................................................................................................................... 58
Hi h O2 Saturation ............................................................................................................................... 59
Unexpected Loss of Displayed Information .................................................................................................. 60
Special Warnin s and Additional Safety Information .................................................................................... 61
CARE, INSPECTION, and SERVICE .......................................................................................................... 6
Care and Cleanin ........................................................................................................................................ 64
Annual Inspections and Service ................................................................................................................... 65
Battery Life .................................................................................................................................................... 66
Low Battery Condition ................................................................................................................................... 66
Battery Replacement .................................................................................................................................... 67
Responsible
10
CONTENTS (CONTINUED)
REFERENCE ................................................................................................................................................ 7
Dive Time Remainin .................................................................................................................................... 74
Altitude Divin ............................................................................................................................................... 75
Flyin After Divin ......................................................................................................................................... 76
Nitrox Divin ................................................................................................................................................. 77
Multiple Tissue Trackin ............................................................................................................................... 78
Repetitive Decompression Divin ................................................................................................................. 79
No Decompression Limits ............................................................................................................................. 80
Specifications ................................................................................................................................................ 81
Glossary ........................................................................................................................................................ 84
Inspection / Service Record .......................................................................................................................... 86
Full LCD Display ........................................................................................................................................... 87
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