D710
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D710/D716
INSTRUCTION MANUAL
2
Unauthorized reproduction of any or all of this manual is strictly prohibited.
The contents of this manual are subject to change without notice.
The manufacturer is not responsible for any or all damages, lost profits or demands from a third party
resulting from use of this manual or products described therein.
• Windows 98, Windows 98SE, Windows Me, Windows 2000 and Windows XP are registered
trademarks or trademarks of the Microsoft Corporation, USA.
• Other firm names and product names contained in this manual are also the registered trademarks or
trademarks of their respective firms.
• The algorithm of this dive computer is licenced from the Defence and Civil Institute of
Environmental Medicine (DCIEM) of Canada.
3
Before Using
Please make sure to adequately charge the
watch using the charger provided.
This watch is rechargeable.
In addition, the watch display has been turned off prior to shipment from the factory
in order to reduce power consumption by the energy storage cell of the watch.
* Remove the display seal affixed to the watch display before using the watch.
Before using, fully charge the watch by following the procedure described below.
The display can then be illuminated by performing the all-reset procedure.
* Refer to the section entitled, “Charger”, for details on the procedure for installing the 4 pcs.
of size AA alkaline batteries and the procedure for charging the watch.
(1) Install 4 pcs. of size AA alkaline batteries in
the charger provided.
(2) Place the watch in the charger and
charge the watch until the LED on
top of the charger goes out. (It
takes about 7 hours to fully charge
the watch.)
(3) When the lower right button (A), upper
right button (B), upper left button (C) and
lower left button (D) are pressed
simultaneously and released, an alarm
tone sounds after “INITIALIZE” is
displayed and the entire display is
illuminated (all-reset).
(4) When any one of the buttons is pressed
and released, the time and date are
displayed after “LOADING” is displayed.
(5) Correctly set the time, date and each mode by referring to the respective
sections of the instruction manual.
* Refer to “Using the Standard Mode: 1. Using the Time Mode” of this manual for
information on correcting the time and date.
(C)
(D)
(B)
(A)
English English English English English English
Charger
LED
4
Thank you for your purchase of this Citizen CYBER AQUALAND Nx. Please make sure to
read this manual carefully before using your watch to ensure that it is used properly.
Furthermore, store this manual in a safe place for future reference as necessary.
CYBER AQUALAND Nx is a divers watch equipped with its own depth gauge, and
features an internal dive computer compatible with both NITROX and high-altitude diving.
The watch automatically stores various data (including maximum depth, dive time and
other parameters) as well as diving profile data during diving, and displays that data in the
form of log data.
Diving data stored in the watch can be loaded into a personal computer using an infrared
communication interface or separately sold communication unit (USB interface) by
installing AQUALAND GRAPH Nx in your personal computer from the CD-ROM disc
provided.
Once diving data has been loaded into your personal computer, you can enter characters,
generate graphs of diving data or paste still images or animated data, and manage them
collectively in the form of a daily log. Since the daily log can be printed out or converted to
an HTML format, it offers considerable convenience in storing diving records.
In addition, installing the CAPgm software provided with the watch not only lets you set
various functions of the watch (travel time, alarm time, timer setting and so forth) on your
personal computer, but also lets you display your favorite graphic on the watch display on
different days of the week.
We hope that the use of your CYBER AQUALAND Nx will let you get more enjoyment
from your diving.
* For Customers Using Our Existing CYBER
AQUALAND (Movement No. D70*) and HYPER
AQUALAND (Movement No. D20*) Products:
• In the case of using CYBER AQUALAND or HYPER AQUALAND software, existing
diving data managed with the respective versions of AQUALAND GRAPH can continue
to be used by importing to AQUALAND GRAPH Nx.
• CYBER AQUALAND and HYPER AQUALAND data can be received using AQUALAND
GRAPH Nx. However, the communication unit and connection cable for use with
HYPER AQUALAND are required to receive data from HYPER AQUALAND.
• The communication unit and USB cable provided with CYBER AQUALAND can continue
to be used as a charger and USB interface for CYBER AQUALAND Nx.
(Please refer to the AQUALAND GRAPH Nx instruction manual contained on the CDROM provided for further information regarding the procedures for importing and
receiving data.)
Introduction
5
Safety Precautions: Observe at All Times
The following provides an explanation of those matters that should be observed at all
times to prevent injury to the wearer or other persons as well as damage to property
before they occur.
Important Notes
WW
The degree of injury or damage resulting from incorrect use while
ignoring the indicated matters is classified and explained using the
following markings.
DANGER
This marking indicates matters for which there is a
high risk of death or serious injury.
WARNING
This marking indicates matters for which there is the
risk of death or serious injury.
CAUTION
This marking indicates matters for which there is the
risk of injury or property damage only.
WW
The types of matters to be observed are classified and explained using
the following mark (the following indicates two examples of icons).
This mark indicates that caution or attention is required.
This mark indicates prohibited matters.
WARNING
Read this manual carefully and pay attention to all dangers, warnings
and cautions. Make sure you fully understand the use, displays and
limitations of the watch. Neglecting to understand and follow the
instruction manual may cause errors to be made during diving that may
lead to serious injury or death.
6
Diving is a potentially dangerous sport. When using this watch for diving,
make sure to have a correct understanding of this watch as described in
this manual and strictly adhere to the procedures for its operation.
The watch may not function properly if handled in a manner not described in this
manual.
General Cautions Regarding Diving
WARNING
In the case of using this watch for diving, always make sure to receive the
proper scuba diving training from a certified instructor so that you have the
necessary experience and skills required for safe diving. In addition, make
sure that you have completely mastered the handling and operation of this
watch.
Even though you may only be engaged in recreational diving, any type of diving can
be potentially dangerous. Attempting to engage in diving with improper or inadequate
training can result in a fatal or serious accident.
WARNING
Never attempt NITROX diving unless you have received special training for
NITROX diving.
Although this watch is also compatible with NITROX diving, NITROX diving presents
serious or potentially fatal risks unlike ordinary diving using compressed air.
WARNING
Each diver should be responsible for formulating and executing a diving
plan to ensure safety that matches his or her own abilities.
The dive computer function of this watch is not designed to completely prevent the
occurrence of decompression sickness. In addition, it is unable to monitor differences
in the physiological functions of individual divers or differences in physical condition
on a particular day. Since physical condition has a considerable effect on the
occurrence of decompression sickness, the degree of the risk of decompression
sickness varies depending on the physical condition of the diver on that day. It is
therefore recommended to avoid diving when physical condition is poor, such as in
the case of illness, fatigue, lack of sleep or hangover.
7
Cautions Regarding Use of this Watch
DANGER
Do not use this watch during decompression diving, especially during
NITROX diving.
Although this watch will provide data on decompression diving in an emergency,
using this watch for decompression diving entails risks. Since decompression diving
during NITROX diving in particular is very dangerous, never use this watch under
these conditions. Decompression diving during NITROX diving can lead to an
accident causing death or serious injury. (The DCIEM algorithm generates a
particularly hard error in the case of decompression diving during NITROX diving.)
DANGER
Never loan or share the watch with another person when resting on the
surface (while the watch is operating in the surface mode). In addition, do
not use the data displayed by the watch as the data for a person other than
the user.
This watch is designed on the premise of use by a single user.
Since calculations made by the dive computer based on previous diving are continued
to be used during operation in the surface mode, use of the watch by another person
can prevent the dive computer from making calculations suitable for the user,
resulting in the risk of an accident causing death or serious injury.
DANGER
Avoid traveling in an aircraft while the surface mode is activated.
Traveling in an aircraft without allowing sufficient time to rest after diving results in the
risk of decompression sickness. It is recommended to avoid traveling in an aircraft for
at least 24 hours after diving whenever possible even if the surface mode is no longer
displayed. There are no rules for completely preventing decompression sickness
caused by flying in an aircraft after diving.
WARNING
In the case of using this watch for diving, always make sure to also use
other backup equipment (including a DCIEM dive table, divers watch,
residual pressure gauge and water depth gauge).
Sudden fluctuations in the atmosphere and changes in water temperature may have
an effect on the display and performance of the watch. Always make sure to use this
watch in combination with other backup instruments in case the watch should happen
to malfunction. The dive computer functions of this watch are not intended to
completely protect you from decompression sickness and oxygen toxication. Since
the watch is only intended to display information to serve as a reference for
minimizing the risk of decompression sickness and so forth, it is not intended to
completely ensure the safety of the user.
8
WARNING
Always make sure to inspect all functions of the watch prior to each dive to
prevent malfunction of the watch and accidents caused by use of the watch
at improper settings. (Refer to the section entitled, “Cautions Regarding
Use During Diving” (p. 17), for information on the inspection procedure.) In
particular, always make sure to check whether the watch is sufficiently
charged, whether the oxygen concentration (O
2%) is set correctly, and
whether there are warnings being displayed.
WARNING
Diving when using this watch is limited to recreational diving at a water
temperature from +10°C to +40°C (50°F to 104°F).
Do not use this watch for saturation diving using helium gas, diving at a water
temperature outside the above temperature range or high-altitude diving at 3,000 m
(10,000 ft) above sea level or higher since this can prevent the watch from functioning
properly or lead to an accident resulting in danger. In addition, this watch does not
display depth properly when used in water other than seawater (specific gravity of
1.025).
WARNING
In order to ensure safe diving, dive while allowing an adequate margin of
safety relative to the displayed no-decompression limit time.
WARNING
If decompression diving should happen to occur, immediately start to
ascend while observing an ascent rate of no more than 18 m (60 ft)/min.
Since decompression diving is associated with a high risk of decompression sickness,
observe the following matters at all times.
• Make a decompression stop while ascending in accordance with decompression
stop instructions.
• When making a decompression stop, never ascend to a depth less than the
instructed depth.
• Since it is difficult to maintain a constant depth when there are high waves and so
forth, make decompression stops at depths a little deeper than the instructed depth
to prevent decompression sickness.
* A permanent error (ERROR) occurs when continuing to dive while ignoring decompression stop
instructions during the course of decompression diving, and the watch will not switch to the dive
mode for 24 hours after that time.
9
WARNING
Skin diving after scuba diving is not recommended since it can have a
serious effect on your health. It is recommended to avoid skin diving for at
least two hours after scuba diving and not to exceed a depth of 5 m (15 ft).
CAUTION Data Storage
Always make sure to keep a separate record of important data recorded in
the watch.
Diving data in particular should be transferred to your PC or recorded in a log book as
quickly as possible. The various data recorded in the watch may be lost when
subjected to incorrect use or the effects of strong electricity and electrical noise as
well as during a malfunction and repair.
10
CONTENTS
Before Using ............................................................................................................ 3
Introduction ............................................................................................................. 4
Checking Accessories ......................................................................................... 14
Cautions Regarding Use During Diving ........................................................... 15
Features .................................................................................................................. 18
Charger ................................................................................................................... 20
1. Names and Functions of Components .............................................................. 20
2. 4 pcs. of size AA Alkaline Batteries Installation Procedure ............................... 21
3. Charging the Watch .......................................................................................... 22
Names of Components ........................................................................................ 24
Watch Display Modes (Functions) ..................................................................... 24
Charge Level Indicator and Continuous Usage Time .................................... 26
1. How to Read the Charge Level Indicator of the watch ...................................... 26
2. Continuous Usage Time .................................................................................... 27
Using the EL Light ................................................................................................ 27
Switching the Mode .............................................................................................. 28
Using the Standard Mode .................................................................................... 30
1. Using the Time Mode ........................................................................................ 30
A. Switching the Display .................................................................................... 30
B. Setting the Time and Date ............................................................................ 31
C. Daily Graphic Display ................................................................................... 32
2. Using the Travel Time Mode ............................................................................. 33
A. Switching the Display .................................................................................... 33
B. Setting the Travel Time ................................................................................. 33
C. Interchanging Locations Between Travel Time Mode and Time Mode ........ 34
3. Using the Destination Timer Mode .................................................................... 35
A. Setting the Destination Timer ....................................................................... 35
B. Destination Timer Measuring Procedure ...................................................... 36
4. Using the Alarm Mode ....................................................................................... 38
A. Alarm ON/OFF and Alarm Monitor ............................................................... 38
B. Setting the Alarm .......................................................................................... 38
11
5. Using the Chronograph Mode ........................................................................... 40
A. Reading the Display ...................................................................................... 40
B. Chronograph Timing Procedure ................................................................... 40
6. Using the Timer Mode ....................................................................................... 41
A. Setting the Timer .......................................................................................... 41
B. Timer Measuring Procedure ......................................................................... 42
7. Using the System Monitor Mode ....................................................................... 43
A. Switching the Display .................................................................................... 43
B. Charge Level Indicator .................................................................................. 43
C. Flash Memory Status Display ....................................................................... 44
D. Garbage Collection Operating Procedure .................................................... 44
Locations Displayed by this Watch ................................................................... 46
Warning Functions ............................................................................................... 47
1. Types of Warning Functions and Conditions for Activation of Warning .................
Functions ........................................................................................................... 47
2. Explanation of Warning Functions .................................................................... 48
Diving Terms Used by this Watch ..................................................................... 52
Using the Dive Plan Mode ................................................................................... 55
1. Switching the Display ........................................................................................ 55
2. NITROX Setting ................................................................................................ 56
3. High-Altitude Setting ......................................................................................... 56
4. Dive Condition Marks ........................................................................................ 57
5. Switching Dive Condition and Setting Oxygen Concentration (O
2%) ................ 57
A. NITROX Setting and Oxygen Concentration Setting .................................... 57
B. Switching from NITROX Setting to AIR Setting ............................................ 57
6. Calling Up No-Decompression Limit Time ........................................................ 58
7. Dive Alarm ......................................................................................................... 58
A. Setting the Dive Alarm .................................................................................. 59
B. Dive Alarm Monitor ....................................................................................... 59
12
Using the Scuba Diving Log Mode and Skin Diving Log Mode
.................... 60
1. Calling Up Scuba Diving Log Data .................................................................... 60
2. Calling Up Skin Diving Log Data ....................................................................... 61
3. Deleting Log Data ............................................................................................. 62
Using the Dive Mode ............................................................................................ 63
1. Explanation of Display During Water Depth Measurement ............................... 64
A. Display during AIR Setting ............................................................................ 64
B. Display during NITROX Setting .................................................................... 65
2. Safety Stop Graph and Decompression Stop Graph ........................................ 66
A. Safety Stop Graph Display ........................................................................... 66
B. Decompression Stop Graph ......................................................................... 66
3. Depth Measurement .......................................................................................... 66
4. Dive Time Measurement ................................................................................... 67
5. Water Temperature Measurement .................................................................... 67
6. No. of Dives Per Day and Recording Log Data ................................................. 67
7. Ending the Dive Mode ....................................................................................... 67
Using the Surface Mode ...................................................................................... 68
Low power mode (Temporary function) ........................................................... 69
1. Switching the Display ........................................................................................ 69
2. Setting the Time and Date ................................................................................ 70
Data Communication Functions ........................................................................ 71
1. Infrared Communication .................................................................................... 71
A. Communication Range ................................................................................. 71
B. Infrared Communication Mode Operating Procedure ................................... 72
2. Communication by USB Interface ..................................................................... 73
3. Data Communication with PC ........................................................................... 73
A. Preparations for Communication .................................................................. 74
B. Sending and Receiving Data ........................................................................ 75
4. Data Communication Between Watches ........................................................... 75
All Reset ................................................................................................................. 77
Formatting Flash Memory ................................................................................... 78
13
Accessory Software
............................................................................................. 79
1. Operating Environment ..................................................................................... 79
2. Installing AQUALAND GRAPH Nx (Diving Data Management Software) ......... 80
3. Installing CAPgm (Watch Setting Software) ...................................................... 81
4. Startup and Ending AQUALAND GRAPH Nx and CAPgm ............................... 83
A. Startup of AQUALAND GRAPH Nx and CAPgm .......................................... 83
B. Ending AQUALAND GRAPH Nx and CAPgm .............................................. 83
Communication Unit ............................................................................................ 84
1. Names and Functions of Components .............................................................. 85
2. Using the Communication Unit .......................................................................... 86
A. Installing Batteries ........................................................................................ 86
B. Attaching and Removing the Watch ............................................................. 86
3. Installing the USB Driver ................................................................................... 87
Troubleshooting .................................................................................................... 93
Handling Precautions (for the watch) ............................................................... 97
Specifications ...................................................................................................... 100
1. Watch .............................................................................................................. 100
2. Charger ........................................................................................................... 101
3. Communication Unit (Sold Separately) ........................................................... 102
14
After opening the package, first check that all of the following products and accessories
are present.
Size AA alkaline
batteries - 4 pcs.
Instruction Manual (this manual)
Watch - 1 pc.
CD-ROM - 1 pc.
Charger - 1 pc.
Special-Purpose Trunk
Checking Accessories
15
WARNING
When using the watch during diving, always make sure to receive the proper
diving instruction and training and use the watch while obeying all rules.
Failure to observe these matters can lead to decompression sickness,
oxygen toxication or other accidents involving death or serious injury.
* Please refer to these matters along with the section describing “Safety Precautions”
on pp. 7-11 for further details.
• In the case of using this watch for diving, always make sure to also use other
backup equipment (including a DCIEM dive table, divers watch, residual pressure
gauge and water depth gauge) to ensure safety.
• Inspect the watch to make sure that all functions operate properly before diving.
• It is recommended to only use this watch for recreational diving down to a depth of
about 18 m (60 ft). Do not attempt to dive below the limit depth of 40 m (131 ft)
during recreational diving.
• Always make sure to allow an ample margin for no-decompression time.
• Perform adequate safety stops and decompression stops. Even in the case of no-
decompression diving, always make a safety stop at 5 m (15 ft) to ensure safety. In
addition, in the case the decompression stop display appears, try to stop for a period
longer than that indicated on the display.
• Allow for a sufficient rest period after diving in accordance with safety rules.
Boarding an airplane or moving to a high altitude without allowing for a sufficient rest
period after diving results in the risk of decompression sickness.
PROHIBITED Prohibited Use During Diving
Never attempt to use this watch for diving under the following
circumstances.
• When diving is prohibited in the system monitor mode:
··· The watch will not switch to the dive mode when [ ] has changed to NG.
• When the watch has stopped running or an error has occurred (be careful not to
bump the watch against hard objects such as equipment or rocks when diving).
• When measuring water depth outside the guaranteed temperature range or at an
altitude of 3,000 m (10,000 ft) or higher
··· The temperature range for which the water depth measurement accuracy of this
watch is guaranteed is from +10°C to +40°C (50°F to 104°F).
··· The water depth measurement function does not operate at high altitudes
equivalent to 3,000 m (10,000 ft) above sea level or higher.
• When engaged in dangerous behavior or when a situation is judged to be
dangerous:
··· This watch is not built to function as a preventive or emergency instrument such
as for use during marine accidents.
• When using in a helium gas atmosphere (saturation diving, etc.):
··· Use under these conditions can cause a malfunction or damage to the watch.
Cautions Regarding Use During Diving
16
Cautions Regarding Use During Diving
Please make sure to observe the following matters before, during and after diving.
WARNING Cautions Before Diving
• Sufficiently charge the watch and confirm that the watch is reliably charged and that
the watch can be used for diving by referring to the system monitor mode. If the
watch is not sufficiently charged, the watch will not switch to the dive mode even if
diving is started. In addition, try to start a dive after first sufficiently charging the
watch before diving to avoid having the watch become insufficiently charged while
diving.
• During NITROX diving, check that the oxygen concentration (O
2%) is correctly set to
the oxygen concentration of the tank actually used before each dive. Diving with the
oxygen concentration set incorrectly may cause incorrect information to be displayed
during diving, greatly increasing the risk of decompression sickness and oxygen
toxication. The oxygen concentration (O
2%) cannot be set or changed while in the
water and after a dive has been started. Always make sure to check and set the
oxygen concentration prior to diving.
• Check whether “ERR (Error)”, “CHK (Check)” or “CHRG (Charge)” is displayed on
the display. The watch will not switch to the dive mode when “ERR” or “CHK” are
displayed. If “CHRG (Charge)” is displayed, since this indicates that the watch is not
fully charged, the watch may become insufficiently charged while diving.
• Confirm that the band is securely attached to the watch body.
• Confirm that the band and glass are free of cracks, scratches, chips and other
abnormalities.
• Confirm that the time and date are set correctly.
• Confirm that the depth alarm and dive time alarm are set correctly.
• When there is a large difference between the temperature of the watch and the
water temperature, immerse the watch in the water for at least 5 minutes to
acclimate the temperature of the watch to the water temperature and then remove it
from the water before diving. A large difference between the watch temperature and
water temperature (such as in the case of placing the watch in water having after
allowed it to sit in direct sunlight) can prevent water depth from being measured
accurately.
WARNING Cautions During Diving
• Avoid ascending too rapidly. A rapid ascent can cause decompression sickness and
have other detrimental effects on the body. Observe the safe ascent rate at all times.
• Please note that when underwater, it may be difficult to hear the sound of the dive
alarm or other alarms depending on surrounding conditions (such as breathing noise
and air bubble noise) and the manner in which the watch is worn.
• Be careful not to run out of air. This watch does not manage the amount of air
remaining in the air tank. The diver is responsible for managing the amount of air
remaining.
• In the event the watch should happen not to operate properly while underwater,
either ascend immediately while following the instructions of the instructor or begin
ascending immediately at an ascent rate of no more than 18 m (60 ft) per minute
and make a safety stop at 5 m (15 ft) as long as your air lasts.
17
WARNING Cautions After Diving
• Make sure to rest sufficiently after diving by referring to the surface mode (which
measures the amount of time elapsed after diving and no fly time).
• After removing any moisture, mud, sand or other foreign matter adhered to the
watch by thoroughly rinsing with fresh water, completely wipe off the watch with a
dry cloth.
• Do not attempt to remove the sensor cover or poke at it with a sharp object to
attempt to remove any dirt or debris trapped in the pressure sensor. In addition, do
not spray the pressure sensor with air under high pressure such as that from an air
gun. In the case that debris has become trapped in the pressure sensor, rinse it out
with fresh water. If it is still unable to be removed, consult your nearest Citizen
Service Center.
CAUTION Diving in Fresh Water
• Although this watch is compatible with high-altitude diving, since it is ultimately
designed on the premise of diving in seawater, it does not display the correct water
depth if used in water other than seawater.
• Only use this watch for diving in fresh water after having received special safety
training. Since this watch displays water depth by converting on the basis of
seawater (specific gravity: 1.025), the water depth is actually 2.5% deeper than the
displayed depth.
Example: Displayed water depth of 20 m
M 1.025 = 20.5 m (actual water depth)
(66 ft
M 1.025 = 68 ft)
* Although an error occurs in the displayed water depth during freshwater diving at high altitudes
and so forth, the calculations of the dive computer are performed correctly.
18
This watch is provided with numerous convenient
functions used during diving.
L
Various information is displayed to serve as a reference for safe diving by calculating
residual body nitrogen based on depth during diving, dive time and previous dive history,
etc. (Dive Computer Function).
* Decompression Calculation Algorithm
This watch employs the calculation formula of the Canadian Defense and Civil Institute of
Environmental Medicine (DCIEM).
L
This watch is compatible with NITROX diving (NITROX: mixed gas having an oxygen
concentration that differs from compressed air used in ordinary diving) and high-altitude
diving.
• The oxygen concentration (O2%) of the mixed gas can be set within the range of 22% to 50%.
• Since the pressure sensor periodically measures air pressure even when on land and
calculates the body’s nitrogen level each time, decompression calculations are performed
corresponding to altitude based on actual air pressure prior to diving during high-altitude
diving as well.
L
Measurement of water depth begins automatically simply by placing the watch on your
wrist and entering the water, and various data (depth, elapsed time, etc.) are measured
automatically while diving.
L
This watch distinguishes between skin diving and scuba diving according to diving
conditions (depth and dive time), and a maximum of 100 sets of log data are
automatically recorded for both types of diving.
L
This watch is also provided with various warning functions necessary for safe diving.
L
Log data and profile data (up to 2 hours) automatically recorded in the watch can be
transferred to a PC by using the infrared communication interface or communication
unit*
1
, making it possible to easily manage and generate graphic representations of
transferred data on your PC.
Various watch functions can be set on your PC.
L
The following watch settings can be transferred to and edited on your PC using the
infrared communication interface or communication unit*
1
.
• Addition, deletion and alteration of locations displayed in each mode by the watch.
• Various travel time, alarm and destination timer settings.
• Setting of dive alarm used during diving and entry of the number of previous dives.
• Setting of daily graphics and graphics displayed on anniversaries (graphic display).
This watch is also equipped with an infrared
communication function.
L
The wrist watch infrared communication standard (IrWW) is used for infrared
communication. This enables the time and alarm time to be set between watches using
this standard.
L
If a friend or acquaintance has the same watch, data can be transferred between those
watches (including time, date, alarm and dive alarm settings). In addition,
communication with a PC can also be performed using infrared communication.
Features
19
This watch is of the rechargeable type.
L
The energy storage cell used for the power source of the watch is completely free of
mercury and other hazardous substances making it environmentally friendly.
L
The energy storage cell of the watch is charged using the charger or communication
unit*
1
. Once fully charged, the watch can be used continuously for about one month
under standard operating conditions. (Continuous usage time varies according to the
use of additional functions and other conditions of use. For further details, refer to the
section on "Charge Level Indicator and Continuous Usage Time".)
L
This watch is also equipped with a charge level indicator that provides a general
indication of the charge level of the watch, as well as an insufficient charge warning
function that informs the wearer that the watch is insufficiently charged on the display.
Other Convenient Functions
L
This watch is also equipped with a travel time function that enables you to easily display
local time when traveling or on business overseas, as well as a destination timer
function that displays the amount of time remaining until you reach your destination.
L
You can select from 15 types of preset sounds that are heard in each of the alarm,
destination timer and timer modes.
L
An EL illumination function is provided that makes it possible to confirm display contents
even in dark locations.
L
Other convenient functions offered by this watch include a 24 hour format alarm,
chronograph capable of timing up to 99 hours 59 minutes 59.99 seconds in 1/100
second increments, and a timer function that can be set up to 99 minutes.
*1: The communication unit (USB interface which also serves as a charger) is sold separately.
Since this product requires special techniques and equipment for final adjustment and
confirmation following completion of repairs, all repairs (excluding the watch band)
must be performed at a Citizen Service Center. Please contact your nearest Citizen
Service Center when requesting repairs or inspections.
20
CAUTION Handling of the Charger
• Do not allow water to contact the charger or allow the charger to become wet. The
charger is not of water resistant construction. In addition, entrance of sand, dust or
other debris inside the charger can cause a malfunction. Particular caution is
required when using the charger outdoors. Make sure that the watch is not wet
when placing it in the charger.
• When transporting the charger, always make sure to place it in its special-purpose
trunk or place it in a bag wrapped in cloth or sponge that prevents the passage of
electricity. Carrying the charger unprotected can cause generation of heat or the 4
pcs. of size AA alkaline batteries inside the charger to become worn down due to
shorting between the terminals. When storing the charger at home, be careful so
that the terminals of the charger are not shorted due to contact with metal.
• Use and store the charger within a temperature range of +10°C to +40°C (50°F to
104°F), and humidity range of 20% to 80% (with no condensation of moisture).
Avoid storing and using in environments subject to sudden changes in temperature.
• Avoid storing and using the charger in locations subject to direct sunlight or high
levels of sand and dust. Do not allow the charger to remain inside an automobile in
particular.
• Do not attempt to disassemble or modify the charger. This can cause a malfunction.
• Do not connect the charger to other brands of watches or other models of Citizen
watches. This charger is to be used exclusively with CYBER AQUALAND Nx
(Movement No. D71*).
• Do not drop the charger or subject it to strong shocks. This can cause the risk of
cracking and malfunction.
• Please be aware that the manufacturer is not responsible for any damage, lost
revenues or demands for compensation from a third party that occur as a result of
the use of this product.
• Please be aware that the manufacturer is not responsible for any damage, lost
revenues or demands for compensation from a third party attributable to repair or
malfunction of this product.
1. Names and Functions of Components
Charger
Connection
Pins
Battery holder
Battery holder cover
Locking Tab
LED
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LED (Light Emitting Diode)
The LED lights during charging. When the watch is placed in the charger, the LED lights
to indicate that charging has started. The LED goes out when charging is completed.
Connection Pins
There are four connection pins. The two center pins are contacted with the charging
terminal and water sensor of the watch, while the two outside pins are contacted with the
watch case.
Locking Tab
This is used to clamp the watch to the connection pins and lock it in position.
Battery Holder (inside of the charger)
The battery holder holds 4 pcs. of size AA alkaline batteries. The battery holder is
connected to the charger with a cable.
Battery Holder Cover
This battery holder cover is opened when installing or replacing the 4 pcs. of size AA
alkaline batteries to install or remove the 4 pcs. of size AA alkaline batteries.
2. 4 pcs. of size AA Alkaline Batteries Installation Procedure
CAUTION Handling of Size AA Alkaline Batteries
Since improper use of the batteries can result in the risk of leakage of battery fluid or
rupture, use particular caution with respect to the following items.
• Install the size AA alkaline batteries with the polarity (+,-) correctly aligned.
• Use same types of size AA alkaline batteries installed in the charger.
• Do not use fresh size AA alkaline batteries with old ones. When replacing the size
AA alkaline batteries, replace all of the size AA alkaline batteries with 4 pcs. of fresh
size AA alkaline batteries of the same type.
(1) Open the battery holder cover on the
side of the charger. The battery
holder cover can be opened by sliding
in the direction of the arrow while
pressing lightly on the battery holder
cover.
(2) Pull out the battery holder from the
charger.
Battery holder
(1)
(2)
Battery holder cover
22
(3) Place 4 pcs. of size AA alkaline batteries
in the battery holder aligned in the proper
manner by referring to the illustration seal
on the front of the battery holder.
(4) Place the battery holder in the charger
with the front of the battery holder (side
with the illustration) facing towards you.
(5) Securely close the battery holder cover.
* Do not pull on the battery holder with excessive force when pulling out the battery holder from
the charger or installing the battery holder in the charger. Subjecting the connection cable
connecting the charger and battery holder can cause a poor connection.
* Close the battery holder cover tightly. Be careful not to lose the battery holder cover when
removing it.
* Be careful not to damage the tab when removing the battery holder cover.
* 4 pcs. of size AA alkaline batteries in the charger will continue to wear down, although very
slowly, even when they are not being charged. It is recommended to remove 4 pcs. of size AA
alkaline batteries from the charger if they are not to be charged for a long period of time.
3. Charging the Watch
(1) Sufficiently open up the locking tab on the left
side of the charger.
(5)
(1)
Locking Tab
(3)
(4)
Illustration
seal
(2) Attach the watch to the charger so that the
two center connection pins of the four
connection pins on the right side of the
charger make contact with the two terminals
(gold) at the 3:00 position on the watch.
* If the watch display is not showing before charging,
simultaneously press the lower right button (A),
upper right button (B), upper left button (C) and lower
left button (D) and then release with the watch
attached to the charger to perform the all reset
procedure. (Refer to the section on "All Reset" for
information on the all reset procedure.)
(3) Charging will begin if the watch is properly connected to the charger. The LED on the
top of the charger lights when charging begins, and goes out when charging is
completed (when the watch is fully charged).
(4) Sufficiently open the locking tab of the charger and remove the watch from the charger.
* Approximately 7 hours is required for charging when the energy storage cell of the watch is
completely discharged.
* Try to recharge the watch before the energy storage cell of the watch becomes completely
discharged. There is no risk of overcharging no matter how long the watch is connected to the
charger.
* When the LED does not light and the charge level indicator of the watch does not indicate that
the watch is fully charged even if the watch has been attached to the charger, the 4 pcs. of size
AA alkaline batteries of the charger are worn out. Replace all 4 pcs. of size AA alkaline
batteries with fresh size AA alkaline batteries and repeat charging.
* Attempting to attach or remove the watch without opening the locking tab sufficiently may cause
the connection pins to become worn or damaged resulting in malfunction of the charger.
However, please note that opening the locking tab beyond what is necessary can damage the
locking tab.
* This charger has been designed for use with CYBER AQUALAND Nx equipped with an original
urethane band. Please note that if this charger should happened to be used with a different
band other than the original urethane band or the urethane band is replaced with a metal band,
the contacts of the watch and charger may become unstable, thereby preventing the watch from
being charged properly.
Watch Display During Charging
Once charging begins, the watch automatically switches to
the system monitor mode (charge level indicator) after the
mark in the lower left section of the watch display
flashes. ("CHRG" is displayed in the lower left section of
the display.)
* When the watch has been charged to a certain extent (when all the sections of the charge level
indicator are lit), although the diver mark remains flashing without the watch switching to the
system monitor mode, charging is still performed correctly even in this state.
* Although "CHK" may flash in the lower left section of the display during charging, charging is
performed correctly in this case as well. "CHK" is no longer displayed and the display returns to
normal when the watch is removed from the charger after charging is completed.
23
(C)
(D)
(B)
(A)
(2)
24
Standard Mode
The watch is usually used in this mode. The standard mode consists of the following seven
modes.
1. Time Mode
In this mode, the watch displays the time and date (main time) that are the basic
parameters of this watch. This mode is normally displayed when wearing the watch.
2. Travel Time Mode
In this mode, the watch displays the time and date for a different location from the time
mode.
3. Destination Timer Mode
In this mode, the watch displays the time remaining until a preset arrival time in 1 second
units after a destination and arrival time have been preset. This convenient function can be
used when traveling or on business overseas.
* Maximum measuring range: 99 hours 59 minutes 59 seconds
4. Alarm Mode
In this mode, the watch displays the preset alarm time.
5. Chronograph Mode
In this mode, the watch measures time with a chronograph up to 99 hours, 59 minutes
59.99 seconds in 1/100-second units.
6. Timer Mode
In this mode, the watch measures time with a count down timer in 1 second units (and can
be set up to 99 minutes in 1 minute units).
7. System Monitor Mode /
In this mode, the watch displays the charge level of the watch along with a general
indication of the usage status of flash memory.
Names of Components
Display screen (full dot display)
Button (C)
Pressure sensor
Button (D)
EL light button
Infrared transmitter/receiver
Button (B)
Water sensor
(USB communication
terminal pin)
Charging terminal pin
Button (A)
Watch Display Modes (Functions)
25
Dive Plan Mode
This mode is used to set the plan for the next dive. It can be used to change the AIR or
NITROX settings and set the oxygen concentration (O
2%) for the next dive, display the no-
decompression limit time and set the dive alarms used during diving.
Scuba Diving Log Mode
This mode is used to confirm the logs of previous scuba diving. In this mode, the watch
displays various data (logs) for scuba diving automatically recorded while diving.
Skin Diving Log Mode
This mode is used to confirm the logs of previous skin diving. In this mode, the watch
displays various data (logs) for skin diving automatically recorded while diving.
Dive Mode
This mode is used for diving. The watch automatically switches to the dive mode when a
dive is started, and displays current water depth, dive time and other data required while
diving during the course of a dive.
Surface Mode
In this mode, the watch displays the elapsed time since completion of the most recent
scuba dive and the amount of time flying in an aircraft is prohibited (maximum 24 hours)
(no fly time). The surface mode is no longer displayed once the no fly time has elapsed.
Infrared Communication Mode
This mode is for communicating with a PC or communicating between watches using the
infrared communication function.
Low power mode (Temporary function)
The low power mode is a temporary function for powering the watch with the minimum
amount of current consumption. The watch automatically switches to the low power mode
when it has become insufficiently charged.
Do not wear the watch in the low power mode during daily use. Although the watch
can be manually switched to this mode by operating the buttons, all functions except
for time and date display and correction do not operate. In addition, the watch cannot
be switched from the low power mode to the dive mode.
26
An approximate indication of the amount of charge remaining in the watch can be
confirmed on the display. The charge level indicator can be displayed in either the time
mode of the standard mode (location display) or the system monitor mode.
1. How to Read the Charge Level Indicator of the watch
The charge level indicator changes in the manner shown below according to the amount
of elapsed time the watch has been used.
Charge Level Indicator and Continuous Usage Time
Amount of Charge
The "Insufficient Charge Warning Function (BATT
displayed)" is activated here. Charge the watch
immediately. (Refer to the section on "Warning
Functions" for further details.)
All watch
functions stop.
Usage
time
The watch switches to
the "Low power
mode" here.
About 60%
charged to fully
charged
About 10-20%
charged
Insufficiently charged. The watch
cannot be used for diving.
Charge the watch immediately.
Nearly insufficiently charged.
Charge the watch promptly. Since
the watch may become
insufficiently charged during diving,
charge the watch sufficiently before
diving to ensure safety.
* The above illustration provides a graphic representation of the amount of residual charge in the
watch and the changes in the charge level indicator.
27
2. Continuous Usage Time
This watch will continue to run for about 1 month (until the insufficient charge warning
function is activated) once it has been fully charged.
This is roughly based on the conditions of use indicated below.
• Diving (water depth measurement): Twice/week (30 min./dive)
• Alarm: 30 seconds/day
• Chronograph measurement: 1 hour/week
• EL light: 4 seconds/day
* The continuous usage time of the watch becomes shorter the more often the alarm,
chronograph and other functions are used. In addition, the continuous usage time is further
reduced by infrared communication.
* Since the water sensor is activated when the watch gets wet even when not diving, the
continuous usage time becomes correspondingly shorter.
Using the EL Light
The EL light is illuminated for about 1 second when the EL
light button on the front of the watch is pressed in any of the
modes except for the infrared communication mode. The
EL light is illuminated for about 5 seconds when the EL light
button is pressed continuously.
CAUTION
The EL light is desighed to enhance daylight viewing. At night an external light source
may be required to view the display.
EL light button
Using the EL Light
(C)
(D)
(B)
(A)
28
• The mode of the standard mode changes in the order of time, travel time, destination
timer, alarm, chronograph, timer and system monitor each time the lower right button (A)
is pressed in the standard mode.
• The mode changes in the order of standard mode, dive plan mode, scuba diving log
mode, skin diving log mode and surface mode each time the lower left button (D) is
pressed.
• The watch automatically switches to the dive mode (preliminary dive display) when the
water sensor gets wet in any mode (excluding the infrared communication mode and low
power mode).
• The watch switches to the infrared communication mode (initial display) when the lower
left button (D) is pressed for at least 2 seconds and then released in any mode
(excluding the dive mode and low power mode).
Switching the Mode
[Standard Mode]
Time
Surface
(only when activated)
[Dive Mode
(preliminary dive display)]
* Refer to the section on "Using the
Dive Mode" for further details.
* Refer to the section on "Data
Communication Functions" for further
details.
[Infrared Communication
Mode (initial display)]
Travel time Destination timer Alarm
System monitor Timer Chronograph
Skin Diving Log
If the water sensor gets wet
The lower left button (D)
pressed for at least 2 seconds
Scuba Diving Log
Dive Plan
(D)
(D)
(D) (D) (D)
(A)
(A) (A) (A)
(A)
(D)
(A) (A) (A)
29
* The surface mode is no longer displayed once measurement of no fly time (timer) is completed
after scuba diving. The watch switches to the time mode of the standard mode when the lower
left button (D) is pressed in the skin diving log mode when the surface mode is not activated.
* When none of the buttons are pressed for about 3 minutes in any of the modes of the standard
mode, dive plan mode, scuba diving log mode or skin diving log mode, the watch automatically
returns to the time mode of the standard mode (except that it returns to the surface mode when
the surface mode has been activated).
* The watch switches to the low power mode when the lower right button (A) and lower left button
(D) are pressed for at least 2 seconds and then released in the time mode of the standard
mode.
* If "BATT", "ERR" or "CHK" is flashing in the lower left section of the display in any of the modes
(indicating that a warning function has been activated), and during correction in any mode, the
watch does not switch to the dive mode even if the water sensor gets wet.
* The hourglass mark or "LOADING" are displayed when switching to and from the dive mode,
infrared communication mode or low power mode. The water sensor along with all button
operations do not function while these are displayed.
30
1. Using the Time Mode
This mode is the basic mode of this watch that displays the time and date.
A. Switching the Display
• The display switches between the Day Display and Location Display each time the upper
left button (C) is pressed once.
• When the upper right button (B) is pressed once when either the Day Display or Location
Display is displayed, the display changes to the Enlarged Display. Pressing the upper
right button (B) again returns it to the original display.
* When the charge of the watch becomes low (when the charge level indicator indicates ),
the “Day Display” or “Enlarged Display” automatically change to the “Location Display” after
about 3 minutes to indicate that the watch should be charged.
Using the Standard Mode
[Day Display]
Month, date
Day
Alarm ON
mark
Location
Charge Level
Indicator
Time
(B)
(C)
Dive Condition
Mark
[Location Display]
[Enlarged Display]
(C)
(C)
(D)
(B)
(A)
(B)
Time
Daily graphic
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