Seiko Astron, Astron 8X82, 8X22 Series, 8X53 Series, 8X82 Series Complete User Manual
8X82 GPS SOLAR WATCH (Chronograph)
Complete User Guide
CONTENTSREAD FIRST
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ASTRON 8X82 GPS SOLAR
CONTENTS
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Length adjustment service for metallic bands is available at the retailer from whom
the watch was purchased. If you cannot have your watch repaired by the retailer
from whom the watch was purchased because you received the watch as a gift,
or you moved to a distant place, please contact SEIKO WORLDWIDE SERVICE
NETWORK. The service may also be available on a chargeable basis at other
retailers, however, some retailers may not undertake the service.
If your watch has a protective film for preventing scratches, make sure to peel it off
before using the watch. If the watch is used with the film on it, dirt, sweat, dust, or
moisture may be attached under the film and may cause rust.
For proper and safe use of your SEIKO watch,
please read carefully the instructions in this
Complete User Guide before using it.
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ASTRON 8X82 GPS SOLAR
CONTENTS
READ FIRST
1
HANDLING CAUTIONS
WARNING
To indicate the risks of serious consequences such as severe injuries
unless the following safety regulations are strictly observed.
• Keep the watch and accessories out of the reach of babies and children.
Care should be taken to pr event a baby or a child acc identally swallowing the
accessories.
If a baby or child swallows the battery or accessories, immediately consult a doctor,
as it will be harmful to the health of the baby or child.
• Immediately stop wearing the watch in the following cases.
{If the watch body or band becomes edged by corrosion etc.
{If the pins protrude from the band.
½Immediately consult the retailer from whom the watch was purchased or SEIKO
WORLDWIDE SERV ICE NET WORK.
• Do not remove the secondary battery from the watch.
½About the secondary battery Power Source P. 4 0
Replacement of the secondary battery requires professional knowledge and skill.
Please ask the retailer from whom the watch was purchased for replacement of
the secondary battery.
Installation of an ordinary silver oxide battery can generate heat that can cause
bursting and ignition.
• Avoid wearing or storing the watch in the following places.
{Places where volatile agents (cosmetics
such as polish remover, bug repellent,
thinners etc.) are vaporizing
{Places where the temperature drops below
5 ºC or r ises abov e 35 ºC for a long time
{Place s of high humidi ty
{Places affec ted by strong
magnetism or static ele ctricit y
{Dust y places
{Places affec ted by strong vibr ations
CAUTIONS
• If you observe any allergic symptoms or skin irritation
Stop wearing the watch immediately and consult a specialist such as a dermatologist
or an allergis t.
• Other cautions
{Replacement of the met al band requires professional knowledge and sk ill. Please
ask the retailer from whom the watch was purchased for replacement of the metal
band, as there is a risk of hand or finger injury and fear of losing parts.
{Do not disassemble or tamper with the watch.
{Keep the watch out of the reach of babies and children. Extra care should be taken
to avoid risks of any injury or allergic rash or itching that may be caused when they
touch the watch.
{When disposing of used bat teries, follow the instruc tions of your local authorities.
{If your watch is of the f ob or pendant type, the s trap or chain attached t o the watch
may damage your clothes, or injure the hand, neck, or other parts of your body.
{Please keep in mind that if a watch is taken off and placed dow n as it is, the case
back, the band and the clas p will rub against each other possibly causing scratche s
on the case back. We recommend placing a soft cloth between the case back, the
band and the clasp after taking off your watch.
To indicate the risks of light injuries or material damages unless the
following safety regulations are strictly observed.
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ASTRON 8X82 GPS SOLAR
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CAUTIONS
Do not turn or pull out the crown when the
watch is wet.
Water may get inside of the watch.
½
If the inner surface of the glass is clouded with condensation
or water droplets appear inside of the watch for a long time,
the water resistant performance of the watch is deteriorated.
Immediately consult the retailer from whom the watch was
purchased or SEIKO WORLDWIDE SERVICE NETWORK.
Do not wear the watch while taking a bath or
a sauna.
Steam, soap or some components of a hot spring
may accelerate the deterioration of water resistant
performance of the watch.
Do not leave moisture, sweat and dirt on the
watch for a long time.
Be aware of a risk that a water resistant watch may
lessen its water resistant performance because of
deterioration of the adhesive on the glas s or gasket, or
the development of rust on stainless steel.
WARNING
Do not use the watch in scuba diving or
saturation diving.
The various tightened inspections under simulated harsh
environment, which are usually required for watches
designed for scuba diving or saturation diving, have not
been conducted on the water-resistant watch with the
BAR (barometric pressure) display. For diving, use special
watches for diving.
Do not pour running water directly from faucet.
The water pressure of tap water from a faucet is high
enough to degrade the water resistant per formance of a
water resistant watch for everyday life.
CAUTIONS
GPS signal reception Solar charging Function Automatic time adjustment function
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ASTRON 8X82 GPS SOLAR
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1
This is a GPS solar watch.
This watch has the following features.
Features
GPS is an abbreviation for Global Positioning System.
For details, see P. 5
This watch can be set to the precise local time
by just one button operation
anywhere in
the world.
DST (Daylight Saving Time) can be set manually.
This watch quickly adjusts the time by receiving GPS
signals from GPS satellites.
Place where GPS signals can be easily received/
cannot be received P. 1 5
This watch responds to a total of 40 time zones around
the world
Time Zone P. 6
When the region or time zone where the watch is used
is changed, please carry out operation of “time zone
adjustment.”
How to adjust the time zone P. 1 7
This watch operates by solar charging.
Expose the dial to light to charge the watch.
Once fully charged, the watch runs for approximately
6 months.
When the energy stored in the watch runs out
completely, it takes time to fully charge the watch, so
please keep in mind to charge the watch regularly.
How to charge the watch P. 1 3
Standard charging time P. 1 3
This watch automatically adjusts the time in
accordance with action patterns during use.
When the watch has sensed sufficient brightness under
an open sky, it automatically receives GPS signals
from GPS satellites. This func tion enables the watch to
automatically adjust the time precisely even while you
are using the watch.
Automatic time adjustment P. 2 4
This watch is unable to receive GPS signals when the energy
stored in the watch is low.
Check the Charging Status P. 1 2
Unlike navigation equipment, this GPS solar watch is not designed to constantly receive GPS signals from GPS satellites without any operation.
This watch receives GPS signals only in the time zone adjustment mode, automatic or manual time adjustment mode.
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ASTRON 8X82 GPS SOLAR
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Mechanism by which the GPS solar watch sets time and date
What GPS is
GPS stands for Global Positioning System, a satellite positioning system
for determining the current position on the earth.
24 satellites cover the earth, and at present, the system is operated by
approximately 30 GPS satellites.
Wherever you are in the world, the position can be determined
(positioned) by information from more than 4 GPS satellites.
Mechanism by which this watch sets the time
and date
This watch receives GPS signals from GPS satellites to set the
time and date based on the following information.
GPS satellite
This is a satellite operated by the United States
Department of Defense (official name is NAVSTAR), and
orbits the earth at an altitude of 20,000 km.
Initially, this was a military satellite, but at present,
information is partially disclosed to the public and used in
various equipment including car navigation systems and
cellular phones.
The GPS satellite is mounted with a high-accuracy atomic
clock with an accuracy deviation of 1 second per 100,000
years.
• Precise time and date based on the atomic clock
• Information about a time zone where you are
(The current location is basically positioned by more
than 4 GPS satellites, and which zone of the total of 40
time zones around the world you are in is identified.)
To receive information about a time zone where you
are, it is necessary to adjust the time zone.
How to adjust the time zone P. 1 7
Unlike navigation equipment, this GPS solar watch is
not designed to constantly receive GPS signals from
GPS satellites without any operation.
This watch receives GPS signals from GPS satellites
only in the time zone adjustment mode, automatic or
manual time adjustment mode.
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ASTRON 8X82 GPS SOLAR
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+5
+5
+9.5
+8.75
+3.5
+4.5
+5.5
+5.5
+5.5
+5.5
+6.5
+6.5
+10.5
+11.5
+12.75
+5.75
+11
+10
+10
+12
+9
+5
+5
+3
+2
+2
+1
0
+3
+4
+3
-1
+1
0
+8
+7
+6
+4
+12
+11
+9
-10
+13
+14
-8
+5
+6
-12
-12
-11
-11
-11
+13
-3.5
-3
-9.5
-9
-8
-7
-6
-5
-1
0
-3
-4
-4
-5
-5
-4
-4.5
-6
-7
-10
-3
-3
-10
-2
0
-1 -1
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
-12
-1
0
+1
+2 +4
+5
+6
+7
+8
+9
+10
+11
+12
-12
+3
-11
-10
-9
-7
-6
-4
-8
-5
-3
-2
-11
-10
-9
-8
-7
-6
-5
-4 -3
-2 -1
Time zone
Time zone
Based on Coordinated Universal Time (UTC), the standard time
commonly used is adopted by countries and regions around the world.
The standard time is determined by each country or region, and the
region where the same standard time is adopted is referred to as the
time zone, and presently, the time zone is divided into 40 zones.
DST (Daylight Saving Time)
Depending on the area, DST (Daylight Saving Time) is individually set.
Daylight Saving Time means summer time, which is a system to
lengthen daylight time by advancing 1 hour when daylight time is
long in summer. Daylight saving time has been adopted in about 80
countries, mainly in Europe and North America. The adoption and
duration of daylight saving time vary depending on the country.
Daylight Saving Time is subject to change owing to circumstances of the country or region.
Set DST (Daylight Saving Time) P. 1 8
Coordinated Universal Time (UTC)
UTC is the universal standard time coordinated through an
international agreement. This is used as the official time for recording
time around the world. The time obtained by adding a leap second
to the “International Atomic Time (TAI)” determined based on the
atomic clock around the world and coordinated in order to compensate
for deviations from universal time (UT) which is astronomically
determined is the UTC.
Each time zone is based on data as of January 2014.
Please be advised that regions for which the time zone is changed thereafter cannot be
reflected.
The time differences and use of daylight saving time in each city are subject to
change according to the governments of the respective countries or regions.
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ASTRON 8X82 GPS SOLAR
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The following functions are included
Los Angeles 7:00 pm on 6th
London
1:00 pm on 7th
When the region or time zone where the watch is used is
changed
Adjust the time zone.
The watch displays the precise local time.
Time zone adjustment P. 1 6
Time Zone P. 6
Time zone display and list of time zones around the world P. 11
To set only the time
The watch displays the precise time of the time zone that is set by
operation of “manual time adjustment.”
How to manually adjust the time P. 2 3
Check the time zone and DST (Daylight Saving Time) setting P. 1 9
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ASTRON 8X82 GPS SOLAR
CONTENTS
CONTENTS
2
CONTENTS
1. READ FIRST
.................................................................................................... 2
2. CONTENTS
..................................................................................................... 8
3. BEFORE USE
.................................................................................................. 9
Names of the parts ....................................................................................... 9
Indicator hand display and reception result display ............................... 10
Time zone display and list of time zones around the world ................... 11
Check the charging status .......................................................................... 12
About charging ........................................................................................... 13
4. BASIC OPER ATION (H OW TO S ET THE TIME/HOW TO RECEIVE
GPS SIGNALS, ETC.)
.................................................................................. 14
Basic operation flow .................................................................................. 14
Place where GPS signals can be easily received/Place where GPS
signals cannot be received ........................................................................ 15
When the region or time zone where the watch is used is changed
(Time Zone Adjustment) ............................................................................ 16
Set DST (Daylight Saving Time) ................................................................ 18
Check the time zone and DST (Daylight Saving Time) settings .............. 19
When boarding (in-flight mode (
)).......................................................... 20
To set the watch to the local time of the destination in an airplane,
etc. (Manual time zone setting) ................................................................. 21
To set only the time (manual time adjustment) ....................................... 22
Automatic time adjustment ....................................................................... 24
GPS signal reception .................................................................................. 25
Leap second (Automatic leap second reception function) ..................... 26
Check that reception was successful (reception result display) ............. 27
Check the leap second data reception was successful ............................ 28
How to use the stopwatch ......................................................................... 29
5. IN CASE OF AN UNUSUAL MOVEMENT OF THE SECOND HAND
.. 32
Small second hand movement and watch state (energy depletion
forewarning function) ................................................................................ 32
6. TO PRESERVE THE QUALITY OF YOUR WATCH
................................... 34
Daily care .................................................................................................... 34
Performance and caliber / case number ................................................... 34
Water resistance ......................................................................................... 35
Magnetic resistance (Magnetic influence) ............................................... 36
Band ............................................................................................................ 37
How to use an adjustable three-fold clasp ............................................... 38
Lumibrite ..................................................................................................... 39
Power Source .............................................................................................. 40
After-sale service ........................................................................................ 41
7. TROUBLESHOOTING
................................................................................. 42
When the watch is unable to receive GPS signals .................................. 42
When the stopwatch hands, the time / date or indicator hand
position is misaligned ................................................................................ 44
Cancel the light detection .......................................................................... 49
Troubleshooting ......................................................................................... 50
8. FUNCTION LIST/SPECIFICATIONS
......................................................... 56
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ASTRON 8X82 GPS SOLAR
CONTENTS
BEFORE USE
3
Names of the parts
Crown
Minute hand
Date
Stopwatch 1/5 second hand
Stopwatch minute hand
Button C
Indicator hand (Stopwatch hour hand)
Button D
Button B
Hour hand
Button A
Small second hand
Continued on the
following page
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ASTRON 8X82 GPS SOLAR
BEFORE USE
CONTENTS
3
Check the charging status. P. 1 2
How to charge the watch P. 1 3
Hand
position
full middle low
Display
Hand
position
・
(OFF) DST (ON)
Display
Hand
position
In-flight mode
( ) status
Display
In-flight mode ( ) P. 20
Display of charging status
Display of DST
(Daylight Saving Time)
Display of receiving process
Display of in-flight mode ( )
Receiving
process
1 (time
adjustment)
4+ (time zone
adjustment)
Receiving leap
second data
Display
Y ... Reception su ccessful
(52-second position)
N ... Reception fail ed
(38-secon d position)
[Checking the reception
result] P. 2 7
Display of
reception result
Indicator hand display and reception result display
Position of each display may differ depending
on the model (design).
Check DST (Daylight Saving Time) P. 19
Set DST (Daylight Saving Time) P. 1 8
Check the reception result P. 27
Manual time adjus tment P. 22
Time zone adjustment P. 1 6
Automatic time adjustment P. 24
Receive leap second data P. 26
Continued on the
following page
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ASTRON 8X82 GPS SOLAR
BEFORE USE
CONTENTS
3
The displays of city code and the time difference from UTC are Subject to change owing to models.
“·” between figures of the display of time difference shows that there is the time zone on that place.
Time zone display and list of time zones around the world
City
code
Display
of time
difference
City name
UTC
± hours
BJS
8
Beijing
+8
—
•
Eucla +8.75
TYO
9
Tokyo
+9
ADL
•
Adelaide
+9.5
SYD
10
Sydney
+10
—
•
Lord Howe Island
+10.5
NOU
11
Nouméa
+ 11
—
•
Norfolk Island
+11.5
WLG
12
Wellington
+12
—
•
Chatham Islands
+12.75
TBU
13
Nuku’alofa
+13
CXI
14
Kiritimati
+14
—
–12
Baker Island
–12
MDY
– 11
Midway islands
–11
City
code
Display
of time
difference
City name
UTC
± hours
LON UTC
London
0
PAR
1
Paris/Berlin
+1
CAI
2
Cairo
+2
JED
3
Jeddah
+3
—
•
Tehran
+3.5
DXB
4
Dubai
+4
—
•
Kabul
+4.5
KHI
5
Karachi
+5
DEL
•
Delhi
+5.5
—
•
Kathmandu
+5.75
DAC
6
Dhaka
+6
—
•
Yangon
+6.5
BKK
7
Bangkok
+7
City
code
Display
of time
difference
City name
UTC
± hours
HNL
–10
Honolulu
–10
—
•
Marquesas Islands
–9.5
ANC
–9
Anchorage
–9
LAX
–8
Los Angeles
–8
DEN
–7
Denver
–7
CHI
–6
Chicago
–6
NYC
–5
New York
–5
CCS
•
Caracas
–4.5
SCL
–4
Santiago
–4
—
•
St. John’s
–3.5
RIO
–3
Rio de Janeiro
–3
FEN
–2
Fernando de
Noronha
–2
PDL
–1
Azores
–1
The following list shows the relationship between displays of the bezel and dial ring and time difference from the UTC.
Please refer to the second hand positions below to set the time zone or to check the time zone setting.
DST (Daylight Saving Time) is used in time zones with a mark.
In the Lord Howe Island time zone in Australia with a
mark, the time is advanced by 30 minutes while DST (Daylight Saving Time) is in effect.
This watch corresponds to DST in the Lord Howe Island time zone.
Each time zone is based on data as of January 2014.
Display of time zone
Representative city names
…
29 cities among the total of 40
time zones around the world
Time difference
…
+14 hours ~ –12 hours
[Check the time zone] P. 1 9
[Time Zone Adjus tment] P. 1 6
Display of time difference
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ASTRON 8X82 GPS SOLAR
BEFORE USE
CONTENTS
3
Indicator display
Charging status
Solution
full
Reception is
allowed.
Proceed to P. 14
middle
Reception is
allowed, but keep
in mind to charge
the watch.
About charging
P. 1 4
Indicator display
Movement of second hand
Charging status Solution
1-second
interval
movement
low
The watch is
unable to receive
GPS signals, but
has energy to
operate.
Charge the watch at least until the indicator
hand points to the level position so that the
watch is able to receive GPS signals.
About charging P. 1 3
2-second
interval
movement
The watch is
unable to receive
GPS signals,
and does not
have energy to
operate. (The
energy depletion
forewarning
function is
activated. P. 32)
Continue to charge the watch
at least until the indicator hand
points to the level position so that
the watch is able to continuously
operate and receive GPS signals.
About charging P. 1 3
5-second
interval
movement
The charging status
is not displayed for
the in-flight mode
( ).
Reset the in-flight mode ( ) as
long as possible.
Reset the in-flight mode
( ) P. 2 0
When the indicator hand points
to “E,” charge the watch following
the above.
Check the charging status
The indicator hand position shows whether this watch is able or unable to receive GPS signals.
In addition, for the low charging state, the movement of the second hand shows the energy depletion state in further detail.
GPS signal reception requires a lot of energy. Keep in mind to regularly charge the watch by expose to light. About charging P. 1 3
Reception is
allowed
Reception is
not allowed
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ASTRON 8X82 GPS SOLAR
BEFORE USE
CONTENTS
3
Illumination
lx (LUX)
Light
source
Condition
(Example)
From the state where the watch is
stopped (not charged)
In the state where
the hand moves
(the watch is
charged)
To fully charged
To one-second interval
movement is secured
To move for one day
700
Fluorescent light
General offices
－ －
3.5 hours
3,000
Fluorescent light
30W 20cm
420 hours 12 hours 1 hours
10,000
Fluorescent light
Sunlight
Cloudy day
30W 5 cm
115 hours 4 hour s 15 minutes
100,000
Sunlight
Sunny day
(Under the direct sunlight
on a summer day)
50 hours 1.5 hours 10 minutes
About charging
How to charge the watch
Expose the dial to light to charge the watch.
Under the following situations, the energy of
the watch is likely to be depleted, resulting in
stoppage of the watch.
• The watch is concealed under a sleeve.
• The watch is used or stored under conditions
where it cannot be exposed to light for a long
time.
To ensure optimal perf ormance
of the watch, make sure that the
watch is kept suf ficiently charged
at all time.
When charging the watch, make sure that the watch is not heated to a high
temperature. (The operational temperature range is between –10 °C and +60 °C.)
When first using the watch or starting to use the watch after it has stopped
because of the energy depletion, sufficiently charge the watch referring to the
table on the page at the right.
Standard Charging Time
For an approximate time required to charge the watch, refer to the
table below.
GPS signal reception consumes a lot of energy. Keep in mind to charge
the watch by expose to light so that the indicator hand points to the “level
position (middle)” or “F (full).”
(If the charging status is displayed as “E (low),”
the reception will not start even with operation of GPS signal reception.)
Check the charging status. P.12
The required charging time slightly varies depending on the design and the dial color of the
watch.
The figures of “Time required for charging the watch to st art moving at one-sec ond
intervals” are estimations of time required to charge the stopped watch by exposing
it to light until it moves at steady one-second intervals. Even if the watch is par tially
charged for a shorter period, the watch will resume one-second- interval movement.
However, it may shortly return to t wo-second-inter val movement. Use the charging
time in this column as a rough guide for sufficient char ging time.
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ASTRON 8X82 GPS SOLAR
CONTENTS
BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS SIGNALS, ETC.)
4
• When the
region or time
zone where the
watch is used
is changed
• To set only the
time
Time zone setting is not
correct
Time zone setting is correct
How to manually set the time
and date P. 4 3
How to manually set the time
zone P. 21
2. Set the time zone and set the time and date
Basic operation flow
1. Check the place where GPS
signals can be easily received
Place where GPS signals can be easily
received/Place where GPS signals
cannot be received P. 1 5
• Receive GPS signals,
set the time zone and
set the time and date
• Set DST (Daylight
Saving Time) as
necessary
How to adjust the
time zone P. 17
Set DST (Daylight
Saving Time) P. 18
Set only the time
How to manually
adjust the time
P. 2 3
<
Setting by GPS signal reception
>
<
Manual setting
>
Check the time zone
and DST (Daylight
Saving Time) se tt ing
P. 19
Place where GPS signals cannot
be received
Example: Within a subway station
Place where GPS signals can be
easily received
Outdoors under an open sky with
good visibility
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ASTRON 8X82 GPS SOLAR
BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS SIGNALS, ETC.)
CONTENTS
4
• Outdoors under an open sky with good
visibility
• The sky cannot be seen or only part of the
sky can be seen.
• There is something hindering the reception.
• The smaller the sky, the more difficult it is to
receive GPS signals. In addition, it will also
be difficult to receive GPS signals, if there
is something that obstructs the GPS signals
during reception (in particular, during time
zone adjustment).
Easy to receive Cannot receiveDifficult to receive
Place where GPS signals can be easily received/Place where GPS signals cannot be received
There are places where GPS signals can be easily received and places where GPS signals cannot be received.
Examples: • Between tall buildings
• Near wooded area
• Station/Airport
• Indoors with windows
GPS signals cannot be received
depending on window glass type.
Refer to the “
×
Cannot receive.”
Examples: • Indoors without windows
• Underground
• During passage of a tunnel
• Through special glass with thermal
emission shield effect, etc.
• Close to equipment generating noise or
performing wireless communications
16
ASTRON 8X82 GPS SOLAR
BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS SIGNALS, ETC.)
CONTENTS
4
The time zone where you are is localized to adjust the watch
to the precise current time by just one button operation
anywhere in the world.
DST (Daylight Saving Time) can be set manually.
How to adjust the time zone P. 17
Time zone adjustment
When the region or time zone where the watch is used is changed (Time Zone Adjustment)
Continued on the
following page
Precautions on time zone adjustment
If the time zone is adjusted near a time zone boundary, the time
of the adjacent time zone may be displayed.
In some areas the boundaries observed by the watch may not
exactly correlate to the actual time zone markers on the land.
This does not indicate a malfunction.
In this case, set the time zone in the manual time zone setting
mode.
How to manually set the time zone P. 2 1
When the time zone is adjusted while traveling on land, avoid
time zone boundaries to carry out time zone adjustment in the
representative cities in the time zone whenever possible.
In addition, when the watch is used near time zone boundaries,
make sure to check the time zone setting, and manually set the
time zone as necessary.
Failure or success of reception depends on the reception environment.
Place where GPS signals can be easily received/Place where GPS signals
cannot be received P. 15
Even when the reception is successful, DST (Daylight Saving Time) cannot be
automatically set. Set DST manually.
Set DST (Daylight Saving Time) P. 18
GPS signal reception consumes a lot of energy.
Keep in mind to regularly charge the watch by expose to light so that the
indicator hand points to the “level position (middle)” or “F (full).”
How to charge the watch P. 1 3
If the charging status is displayed as “E (low),” the reception will not start
even with operation of GPS signal reception.
Check the charging status. P. 1 2
When the stopwatch is moving, the reception function will not be activated.
17
ASTRON 8X82 GPS SOLAR
BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS SIGNALS, ETC.)
CONTENTS
4
Continue to press Button B (6 seconds),
and then release it when the second hand
moves to the 30-second position.
Go to a place where
GPS signals can be
easily received
1
Move to the outdoors under
an open sky with good
visibility.
Place where GPS signals
can be easily rec eived/Place
where GPS signals cannot
be received P. 1 5
2 3
When the second hand points to
“Y” or “N,” reception is
completed.
Direct the watch face upward and wait
4
How to adjust the time zone
Although the second hand moves to the
0-second position 3 seconds after pressing
Button B, continue to press it.
Check that the reception is successful
after the watch returns to the time
display mode.
Ch eck that th e recept ion was
successful P. 2 7
Ch eck the time z one setting P. 1 6
During movement of the date, the buttons
and crown cannot be operated.
Manually set DST (Daylight Saving Time).
Se t DST (Daylight Saving Time)
P. 1 8
The reception result is displayed for 5
seconds.
Then, the hour and minute hands move,
and the time and date are adjusted.
(The time zone is also adjusted to the
local time zone.)
Reception
result
display
Y: Successful
(52-second
position)
N: Failed
(38-second
position)
Display
State
Use the
watch as it is.
When the reception
result is displayed as
“N” P. 15
When the second hand has reached the
30-second position, reception is started.
The indicator hand points to “4+.”
While the indicator hand points to “E” or ,
reception is not started even with operation for
reception.
When the hand points to “E,” charge the watch
by expose to light.
How to charge the watch P. 1 3
Check whether the watch is able/unable to
receive GPS signals
Check the charging status P. 1 2
When the hand points to
, reset the in-flight
mode (
).
How to reset in-flight mode (
) P. 2 0
When the stopwatch is operating, the reception
function will not be activated.
It takes a maximum of
2 minutes to complete
reception.
It depends on the receiving
conditions.
Second
hand
position
25-second
Number of
satellites
5 units
<
Display during reception (= satellites acquisition
status)
>
The second hand indicates ease of receiving
(= number of GPS satellites from which GPS
signals are received).
The larger the
number of acquired
satellites there are,
the easier it is to
receive GPS signals.
B
P
C
JJY
May
receive
E
a
s
y
t
o
r
e
c
e
i
v
e
C
a
n
n
o
t
r
e
c
e
i
v
e
3 unit
s
4 units
5 units
6 units
2 units
0 units
Please note that it may be difficult to receive GPS
signals while you are in motion.
Even when the hand
points to 4 units or more,
reception may not be
allowed.
To cancel the reception,
press Button A.
Press for
6 seconds.
Press for
Button A.
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