Suunto ZOOP User manual

EN
USER’S GUIDE
SUUNTO
ZOOP

The Smart Button: - Activation - Mode Operations
Current Time Display Surface Interval Time No Flying Time No-Decompression Time TotalAscent Time
Safety Stop Time
°
C
Low Battery Warning
Temperature Week Day Mode Text
PersonalAdjustment Mode
Do Not Fly Icon
Bar Graph: - Mode Indicator - Consumed Botton Time - Oxygen Limit Fraction
Bar Graph: - Ascent Rate Indicator - Battery Power Indicator - Logbook Page Indicator
Present Depth Dive Counter
Dive Planning Button Scroll Button (increase value, ascend)
Oxygen Percentage in Nitrox Mode
Arrows: - Decompression Stop at the Ceiling Depth - Mandatory Safety Stop Zone - Ascent Recommended - Must Descend
Dive Time Time Month, Day
Maximum Depth Ceiling Depth on Decompression Mandatory Safety Stop Depth Average Depth on Logbook Oxygen Partial Pressure AM/PM Indicator
HighAltitude Mode
Logbook Symbol
DiveTime/Depth Alarm
On Indicator
Dive Attention Symbol
Indicators for the Scroll Buttons Time (alternative display) Button
Scroll Button (decrease value, descend)
Fast Ascent Warning (SLOW)
Safety Stop Warning
Safety Stop Indicator
Indicators for the Smart Button
Quick reference guide ZOOP

1
WARNING is used in connection with a procedure or situation
that may result in serious injury or death.
CAUTION is used in connection with a procedure or situation
that will result in damage to the product.
NOTE is used to emphasize important information.
DEFINITION OF WARNINGS, CAUTIONS AND NOTES
Throughout this manual, special references are made when deemed im-
portant. Three classifications are used to separate these references by their
order of importance.
COPYRIGHT, TRADEMARK AND PATENT NOTICE
This instruction manual is copyrighted and all rights are reserved. It may
not, in whole or in part, be copied, photocopied, reproduced, translated, or
reduced to any media without prior written consent from SUUNTO.
SUUNTO, ZOOP, Consumed BottomTime (CBT), Oxygen Limit Fraction
(OLF), SUUNTO Reduced Gradient Bubble Model (RGBM), Continuous
Decompression and their logos are all registered or unregistered trademarks
of SUUNTO. All rights are reserved.
CE
The CE mark is used to mark conformity with the European Union EMC
directive 89/336/EEC.
The instruments must be serviced by an authorized dealer every second year
or after 200 dives (whichever comes first).
EN 13319
EN13319 “Divingaccessories-Depthgaugesand combined depth andtime
measuring devices - Functional and safety requirements, test methods” is a
European diving depth gauge standard. The ZOOP is designed to comply
with this standard.

2
ISO 9001
SUUNTO Oy’s QualityAssurance System is certified by Det NorskeVeritas to be
according to the ISO 9001 in all SUUNTO Oy’s operations (Quality Certificate
No. 96-HEL-AQ-220).
SUUNTO Oy does not assume any responsibility for losses or claims by third
parties, which may arise through the use of this device.
Due to continuous product development, the ZOOP is subject to change without
notice.

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WARNING!
READ THIS MANUAL! Carefully read this instruction manual in its entirety
payingcloseattentiontoallwarningslistedbelow,includingsection1.1.“Safety
Precautions”. Make sure that you fully understand the use, displays and limita-
tions of the dive computer because any confusion resulting from neglecting to
follow this instruction manual or from improper use of this device may cause
a diver to commit errors that may lead to serious injury or death.
WARNING!
NOT FOR PROFESSIONAL USE! Suunto dive computers are intended for
recreational use only. The demands of commercial or professional diving
may expose the diver to depths and exposures that tend to increase the risk of
decompression illness (DCI).Therefore, Suunto strongly recommends that the
device be not used for commercial or professional diving activity.
WARNING!
ONLY DIVERS TRAINED IN THE PROPER USE OF SCUBA DIVING
EQUIPMENT SHOULD USEA DIVE COMPUTER! No dive computer can
replace the need for proper dive training. Insufficient or improper training may
cause diver to commit errors that may lead to serious injury or death.
WARNING!
THERE ISALWAYSA RISK OF DECOMPRESSION ILLNESS (DCI) FOR
ANY DIVE PROFILE EVEN IF YOU FOLLOW THE DIVE PLAN PRE-
SCRIBEDBYDIVETABLES ORA DIVECOMPUTER.NOPROCEDURE,
DIVECOMPUTER OR DIVETABLEWILL PREVENTTHE POSSIBILITY
OFDCI OROXYGENTOXICITY!Anindividual’s physiologicalmakeupcan
vary from day to day. The dive computer cannot account for these variations.
You are strongly advised to remain well within the exposure limits provided
by the instrument to minimize the risk of DCI.As an added measure of safety,
you should consult a physician regarding your fitness before diving.

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WARNING!
SUUNTO STRONGLY RECOMMENDS THAT SPORT DIVERS LIMIT
THEIR MAXIMUM DEPTH TO 40 M [130 FT] OR TO THE DEPTH CAL-
CULATED BY THE COMPUTER BASED ON THE SELECTED O2%AND
A MAXIMUM PO2OF 1.4 BAR!
WARNING!
DIVESWITH REQUIRED DECOMPRESSION STOPSARENOT RECOM-
MENDED. YOU SHOULD ASCEND AND BEGIN DECOMPRESSION
IMMEDIATELY WHEN THE DIVE COMPUTER SHOWS YOU THAT A
DECOMPRESSION STOP IS REQUIRED! Note the blinking ASC TIME
symbol and the upward pointing arrow.
WARNING!
USE BACK-UP INSTRUMENTS! Make sure that you use back-up instru-
mentation including a depth gauge, submersible pressure gauge, timer or
watch, and have access to decompression tables whenever diving with the
dive computer.
WARNING!
PERFORM PRECHECKS! Always activate and check the device before
diving in order to ensure that all Liquid Crystal Display (LCD) segments are
completely displayed, that the device has not run out of battery power, and
that the oxygen, altitude and personal adjustments are correct. Also, exit the
PC Settings (PC SET) sub-mode before diving, as the computer does not au-
tomatically revert to Dive mode from the PC Settings mode.
WARNING!
YOU ARE ADVISED TO AVOID FLYING ANY TIME THE COMPUTER
COUNTS DOWN THE NO-FLYING TIME. ALWAYS ACTIVATE THE
COMPUTER TO CHECK THE REMAINING NO-FLY TIME PRIOR TO
FLYING!Thecomputergoes into the stand-bydisplay automatically 5 minutes
after the dive has ended.The stand-by display shuts off after two hours. Flying
or traveling to a higher altitude within no-fly time can greatly increase the risk
of DCI. Review the recommendations given by Diver’sAlert Network (DAN)

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inchapter3.5.3. “FlyingAfterDiving”.Therecannever bea flyingafterdiving
rule that is guaranteed to completely prevent decompression illness!
WARNING!
THE DIVE COMPUTER SHOULD NEVER BE TRADED OR SHARED
BETWEEN USERS WHILE IT IS IN OPERATION! Its information will not
apply to someone who has not been wearing it throughout a dive or sequence
of repetitive dives. Its dive profiles must match that of the user. If it is left on
the surface during any dive, it will give inaccurate information for subsequent
dives.Nodivecomputer cantakeintoaccountdivesmadewithout thecomputer.
Thus any diving activity up to four days prior to initial use of the computer
may cause misleading information and must be avoided.
WARNING!
THE DIVE COMPUTER WILL NOT ACCEPT FRACTIONAL PERCENT-
AGE VALUES OF OXYGEN CONCENTRATION. DO NOT ROUND UP
FRACTIONAL PERCENTAGES! For example, 31.8% oxygen should be
entered as 31%. Rounding up will causenitrogen percentages to be understated
and will affect decompression calculations. If there is a desire to adjust the
computer to provide more conservative calculations, use the personal adjust-
ment feature to affect decompression calculations or reduce the PO2setting to
affect oxygen exposure.
WARNING!
SET THE CORRECT ALTITUDE ADJUSTMENT MODE! When diving at
altitudes greater than 300 m [1000 ft] the Altitude Adjustment feature must
be correctly selected in order for the computer to calculate the decompres-
sion status. The dive computer is not intended for use at altitudes greater than
3000 m [10000 ft]. Failure to select the correct Altitude Adjustment setting
or diving above the maximum altitude limit will result in erroneous dive and
planning data.

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WARNING!
SET THE CORRECT PERSONAL ADJUSTMENT MODE! Whenever it
is believed that factors that tend to increase the possibility of DCI exist, it is
recommended that you use this option to make the calculations more conser-
vative. Failure to select the correct Personal Adjustment setting will result in
erroneous dive and planning data.
NOTE!
You can change from Air mode to Nitrox mode at any time. It is however not
possible to revert back to Air mode from Nitrox mode before the instrument has
counted down the no-flying time.
When planning both air and nitrox dives during the same dive series, you should
set the instrument in Nitrox mode and modify the gas mix accordingly.

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TABLE OF CONTENTS
WARNINGS....................................................................................3
1. INTRODUCTION......................................................................9
1.1. SAFETY PRECAUTIONS............................................................10
1.1.1. Emergency Ascents..................................................................10
1.1.2. Dive Computer Limitations .....................................................11
1.1.3. Nitrox.......................................................................................11
2. GETTING ACQUAINTED .....................................................12
2.1. FUNCTIONS.................................................................................12
2.2. PUSH BUTTONS .........................................................................12
2.3. WATER CONTACTS....................................................................14
3. DIVING WITH THE ZOOP...................................................15
3.1. BEFORE DIVING ........................................................................15
3.1.1. Activation and Prechecks.........................................................15
3.1.2. Battery Indication ....................................................................17
3.1.2.1. Battery Power Indicator .............................................17
3.1.3. Dive Planning [PLAN] ............................................................18
3.1.4. User Definable Functions and Alarms.....................................19
3.2. SAFETY STOPS...........................................................................19
3.2.1. Recommended Safety Stop......................................................19
3.2.2. Mandatory Safety Stop ............................................................19
3.3. DIVING WITH THE ZOOP .........................................................20
3.3.1. Basic Dive Data .......................................................................20
3.3.2. Bookmark.................................................................................21
3.3.3. Consumed Bottom Time (CBT)...............................................22
3.3.4. Ascent Rate Indicator...............................................................22
3.3.5. Decompression dives...............................................................23
3.4. DIVING IN NITROX MODE.......................................................27
3.4.1. Before Diving...........................................................................27
3.4.2. Oxygen Displays......................................................................28
3.4.3. Oxygen Limit Fraction (OLF) .................................................29
3.5. AT THE SURFACE.......................................................................30
3.5.1. Surface Interval........................................................................30
3.5.2. Dive Numbering.......................................................................31
3.5.3. Flying After Diving..................................................................31

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3.6. AUDIBLE AND VISUAL ALARMS............................................33
3.7. HIGH ALTITUDE DIVES AND PERSONAL ADJUSTMENT..34
3.7.1. Altitude Adjustment.................................................................34
3.7.2. Personal Adjustment................................................................35
3.8. ERROR CONDITIONS ................................................................36
4. MENU BASED MODES .........................................................37
4.1. MEMORY FUNCTIONS [1 MEMORY] .....................................38
4.1.1. Logbook and Dive Profile Memory [1 LOGBOOK]...............39
4.1.2. Dive History Memory [2 HISTORY] ......................................42
4.1.3. Data Transfer and PC-Interface [3 PC-SET] ...........................42
4.2. SET MODES [2 SET]...................................................................44
4.2.1. Dive Computer Model Settings[1 SET MODEL ] ..................44
4.2.1.1. Nitrox Oxygen Settings..............................................44
4.2.2. Alarm settings [2 SET ALMS].................................................45
4.2.2.1. Dive Time Alarm Setting ...........................................45
4.2.2.2. Maximum Depth Alarm Setting.................................45
4.2.3. Setting Time and date [3 SET TIME]......................................46
4.2.4. Personal adjustments [4 SET ADJ]..........................................47
5. CARE AND MAINTENANCE OF MY SUUNTO
DIVING COMPUTER............................................................48
5.1. BATTERY REPLACEMENT .......................................................50
6. TECHNICAL DESCRIPTION...............................................54
6.1. OPERATING PRINCIPLES .........................................................54
6.2. SUUNTO REDUCED GRADIENT BUBBLE MODEL
(RGBM) ........................................................................................56
6.3. OXYGEN EXPOSURE.................................................................57
6.4. TECHNICAL SPECIFICATION ..................................................57
7. SUUNTO LIMITED WARRANTY FOR SUUNTO
DIVING COMPUTERS AND SUUNTO DIVING
COMPUTER ACCESSORIES ...............................................61
8. SUUNTO DIVE MANAGER (SDM)......................................65
9. GLOSSARY..............................................................................66

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INTRODUCTION1.
Congratulations on your purchase of the SUUNTO ZOOP dive computer. The
ZOOP builds on the Suunto tradition of delivering feature-rich easy-use dive
computers. Push button controls access a wide selection of choices and the
display is optimized for the dive mode chosen. This dive computer is a compact
and sophisticated multipurpose dive instrument, designed to give you years of
trouble-free service.
Choice of Operating Modes and Set-up Options
User options for the ZOOP are selected using the push buttons.
Pre Dive configuration and setup options include:
• Choice of operating mode - Air / Nitrox
• Choice of unit - Metric / Imperial
• Maximum depth alarm
• Dive time alarm
• Clock, calendar
• Mix Oxygen fraction % (Nitrox mode only)
• Maximum PO2(Nitrox mode only)
• Altitude adjustment
• Personal adjustment
Continuous Decompression with Suunto RGBM
The Suunto Reduced Gradient Bubble Model (RGBM) utilized in the ZOOP
predicts both dissolved and free gas in blood and tissues of divers. It is a signifi-
cant advance on the classic Haldane models, which do not predict free gas. The
advantage of Suunto RGBM is additional safety through its ability to adapt to a
variety of situations and dive profiles.
In order to optimize how to respond to different added risk situations an additional
category ofstop, referred toasaMandatory Safety Stop,has beenintroduced.Also
a countdown for the Recommended Safety Stop is included. The combination of
stop types will depend on the specific dive situation.
Toget themost fromthesafetybenefitsbesuretoreadthesummary oftheReduced
Gradient Bubble Model in chapter 6.2.

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SAFETY PRECAUTIONS1.1.
Do not attempt to use the dive computer without reading this instruction manual
in its entirety, including all the warnings. Make sure that you fully understand the
use, displays and limitations of the instrument. If you have any questions about
the manual or the dive computer, contact your SUUNTO dealer before diving
with the dive computer.
Always remember thatYOUARE RESPONSIBLE FORYOUR OWN SAFETY!
When used properly, the dive computer is an outstanding tool for assisting
properly trained, certified divers in planning and executing sport dives. It is NOT
ASUBSTITUTE FORCERTIFIEDSCUBA INSTRUCTION,including training
in the principles of decompression.
Diving with enriched air mixtures (nitrox) exposes the user to risks different from
those associated with diving with standard air. These risks are not obvious and
require training to understand and avoid. Risks include possible serious injury
or death.
Do not attempt to dive with any gas mix other than standard air without first
receiving certified training in this specialty.
Emergency Ascents1.1.1.
In the unlikely event that the dive computer malfunctions during a dive, follow
the emergency procedures provided by your certified dive training agency or,
alternatively,
STEP 1: Assess the situation calmly and then move promptly to less than 18 m
[60 ft].
STEP 2: At 18 m [60 ft], slow down your ascent rate to 10 m/min [33 ft/min]
and move to a depth between 3 and 6 meters [10 to 20 ft].
STEP 3: Stay there as long as you assess your air supply will safely allow.After
reaching the surface stay out of the water for at least 24 hours.

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Dive Computer Limitations1.1.2.
While the dive computer is based on current decompression research and
technology, you must realize that the computer cannot monitor the actual
physiological functions of an individual diver. All decompression schedules
currently known to the authors, including the U.S. Navy Tables, are based on
theoretical mathematical models, which are intended to serve as a guide to reduce
the probability of decompression illness.
Nitrox1.1.3.
Diving with nitrox provides the diver with an opportunity to increase bottom times
or reduce the risk of decompression illness by reducing the nitrogen content in
the breathing gas mix.
However, when the gas mix is altered, the oxygen content of the mix is generally
increased. This increase exposes the diver to an oxygen toxicity risk not usually
considered in recreational diving. In order to manage this risk, the dive computer
tracks the time and intensity of the oxygen exposure and provides the diver with
information to adjust the dive plan in order to maintain oxygen exposure within
reasonably safe limits.
In addition to the physiological effects of enriched air on the body there are
operational considerationstobeaddressedwhenhandling alteredbreathingmixes.
Elevated concentrations of oxygen present a fire or explosion hazard. Consult the
manufacturer of your equipment in regards to its compatibility with nitrox.

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GETTING ACQUAINTED2.
FUNCTIONS2.1.
The Suunto ZOOP can be set to function as a regular air dive computer or as a
nitrox dive computer.
The ZOOP features two dive computer models (AIR, NITROX), three main
operating modes (TIME/STAND-BY, SURFACE, DIVING), two menu based
main modes (MEMORY, SET) and seven menu based submodes (review separate
Quick Reference Guide).Youcanscrollthrough themodesusingthepush buttons.
The mode indicator at the left side and the mode text at the bottom of the display
indicate the selected mode.
The timekeeping display is the default display of the instrument (Fig. 2.1.). If a
button is not pressed within 5 minutes, the dive computer beeps and returns to
the timekeeping display automatically (except in Diving mode). The timekeep-
ing display shuts off after two hours, but pressing the PLAN or TIME button
activates it.
Making the ZOOP Personal
For best use of the ZOOP take some time and make
itYOUR computer.
Set the correct time and date. Read this manual. Set
dive alarms and make all the other settings listed in
the introduction in this manual. Install the ZOOP in
your console or fit it on to your wrist.
All this so you know your computer and have it set
up as you want it before getting into the water.
PUSH BUTTONS2.2.
The ZOOP has easy-to-use push buttons and an ad-
visory display, which guides the user. The SMART
(MODE) button is the key to the system. The two
scroll buttons, PLAN and TIME, are used for scrol-
ling up and down the menus and to show the alter-
native displays.Thedive computer is controlled with
these three push buttons as follows (see Fig. 2.2.).
Fig. 2.1. Timekeeping
display. Pressing PLAN
or TIME button activates
display.
Fig. 2.2. Push buttons of the
dive computer.
The SMART button
The PLAN, TIME and
SCROLL buttons

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Press the SMART (MODE) button
• To activate the dive computer.
• To change from the Surface Mode to the
menu based modes.
• To select, conrm or quit a submode (short
press).
• To immediately exit any submode to the
Surface Mode (long press).
Press the arrow up scroll (PLAN) button
• To activate the timekeeping display, if the
display is blank.
• To activate the Dive Planning in the Surface
Mode.
• To make a special bookmark in the prole
memory during a dive.
• To scroll up the options (, increase).
Press the arrow down scroll (ALTER) button
• To activate the timekeeping display, if the
display is blank.
• To activate the alternative display(s).
• To scroll down the options (, decrease).
The dive computer is controlled with the SMART
(MODE/On/Select/OK/Quit) and the PLAN and
TIME push buttons and with the water contacts
as follows:
Activation press the SMART (On) button
or immerse the instrument
in water for five (5) seconds.
Dive
Planning in the Surface Mode, press the
PLAN (s) button.
Menu Modes press the SMART (MODE)
button.

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WATER CONTACTS2.3.
The water contacts control the automatic activation
of the Dive Mode.
The water and data transfer contacts are located on
bottom of the case (Fig 2.3). When submerged the
water contacts are connected to the push buttons
(which are the other pole of the water contact) by
the conductivity of the water. The “AC” text (Active
Contacts, Fig. 2.4.) will appear on display. The AC
text will be shown until the water contact deac-
tivates or the dive computer enters the Dive Mode
automatically.
Fig. 2.4. Active water
contacts are indicated by the
text AC.
Fig 2.3. Depth sensor (A),
water/data transfer contacts
(B).
C
L
O
S
E
O
P
E
N
A
B

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DIVING WITH THE ZOOP3.
This section contains instructions on how to operate
the dive computer and interpret its displays.You will
find that this dive computer is easy to use and read.
Each display shows only the data relevant to that
specific diving situation.
BEFORE DIVING3.1.
Activation and Prechecks3.1.1.
The dive computer will activate if submerged deeper
than 0.5 m (1.5 ft). However, it is necessary to turn
on the Dive Mode before diving to check the altitude
and personal adjustment settings, battery condition,
oxygensettingsetc.PresstheSMART(Mode)button
to activate the instrument.
After activation all display elements will turn on sho-
wing mostly figure 8’s and graphical elements (Fig.
3.1.).A few seconds later the battery power indicator
isshownandthebuzzerisactivated(Fig.3.2. display
a, b, c or d depending on the battery voltage). If set to
AirmodethescreenwillentertheSurfacemode (Fig.
3.3.) and if set to Nitrox mode the essential oxygen
parameters are shown with the text NITROX (Fig.
3.20.) before the Surface mode.
Fig. 3.1. Startup I. All seg-
ments shown.
Fig. 3.2. Startup II. Battery
power indicator.
°
C
QUIT
OK

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At this time, perform your prechecks making sure
that:
• the instrument operates in the correct mode
and provides a complete display (Air/Ni-
trox modes)
• the low battery indicator is not on
• the altitude and personal adjustment set-
tings are correct
• the instrument displays correct units of
measurement (Metric/Imperial)
• the instrument displays correct temperature
and depth (0.0 m [0 ft])
• the buzzer beeps
AndifsettoNitroxmode(refertochapter3.4 Diving
in Nitrox mode), make sure that:
• the oxygen percentage is adjusted accord-
ing to the measured Nitrox blend in your
cylinder
• the oxygen partial pressure limit is set cor-
rectly.
The dive computer is now ready for diving.
Fig. 3.4. Low Battery
Warning. Battery symbol
indicates that the battery is
low and battery replacement
is recommended.
Fig 3.3. Startup III. Surface
mode. Depth and dive time
are zero, current tempera-
ture, 20 °C. Pressing TIME
button activates alternative
display of current time.
TIME
DIVE
m
TIME
º C
TIME
DIVE
m
ºC
Fig. 3.5. Dive Planning.
Planning mode is indicated
by PLAN text. No-decom-
pression time limit at 30.0 m
[100 ft] is 14 minutes in
A0/P1 mode.
QUIT
DIVE
NODEC TIME
MAX

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Battery Indication3.1.2.
Battery Power Indicator3.1.2.1.
This dive computer has a unique graphic Battery Power Indicator designed to give
you an advance notice of impending need to change the battery.
The Battery Power Indicator can always be seen when the Dive Mode is activated.
The following Table and Figure show the various warning levels.
TABLE 3.1. BATTERY POWER INDICATOR
Temperature or an internal oxidationofthebattery affectsthe batteryvoltage. Ifthe
instrument is stored for a long period, the low battery warning may be displayed
even though the battery has enough capacity. The low battery warning may also
be displayed at low temperatures, even though the battery has enough capacity in
warmer conditions. In these cases repeat the battery check procedure.
After battery check the Low Battery Warning is indicated by the battery symbol
(Fig. 3.4.).
If the battery symbol is displayed in the Surface mode or if the display is faded
or weak, the battery may be too low to operate the dive computer and battery
replacement is recommended.
Display Operation Figure 3.2
BAT +
4 segments + OK Normal, full battery. a
BAT +
3 segments Normal, battery power is getting low or the temperature is low.
Battery replacement is recommended
if you are going to colder conditions
or if you are planning to make a dive trip.
b
LOWBAT +
2 segments +
low battery symbol
Battery power is low and the battery
replacement is recommended.
The battery symbol is displayed.
c
LOWBAT +
1 segments + QUIT+
low battery symbol
Change the battery!
Returns to the Time display.
Activation and all functions are disabled.
d

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Dive Planning [PLAN]3.1.3.
To enter Planning Mode, press the PLAN button at any time during Surface
Mode. After showing the text “PLAN” (Fig. 3.5.), the display will show the no-
decompression limit for the depth of 9 m [30 ft]. By pressing the down arrow
() (TIME) button, the dive computer will calculate and show the next deeper
no-decompression limits in 3 m [10 ft] increments ending at 45 m [150 ft]. By
pressing the up arrow () (PLAN) button, the next shallower depth will be
shown again.
The Planning Mode is canceled by pressing the SMART (QUIT) button.
NOTE! The Planning mode is disabled in Error mode (see section 3.8. “Error
Conditions”).
Higher Altitude and conservative Personal Adjustment Modes will shorten the
no-decompression time limits. These limits at different Altitude and Personal
Adjustment Mode selections are shown in Table 6.1 and 6.2 in section 6.1.
“Operating Principles”.
The Planning mode also accounts for the following information from previous
dives:
• any calculated residual nitrogen
• all dive history for the past four days
• oxygen toxicity (Nitrox mode)
The no-decompression times given for different depths will therefore be shorter
than before your first “fresh” dive.
DIVE NUMBERING SHOWN DURING DIVE PLANNING
Dives belong to the same repetitive dive series if the instrument was still counting
down the no-fly time at the beginning of the dive.
The surface interval must be at least 5 minutes for a dive to be considered a repe-
titive dive. Otherwise, it is considered a continuation of the same dive. The dive
number will not change and the dive time will continue where it left off (see also
section 3.5.2. “Dive Numbering”).
User Definable Functions and Alarms3.1.4.
The ZOOP has several user definable functions and depth and time related alarms
that you can set according to your personal preference.