Table Of Contents; Contents - Seiko ASTRON User Manual

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CONTENTS

1. READ FIRST ..............................................................................
2. CONTENTS .................................................................................
3. BEFORE USE ..............................................................................
Names of the parts ..................................................................
Indicator hand display and reception result display .....................
Time zone display and list of time zones around the world .........
Check the charging status ......................................................... 10
About charging ........................................................................ 11
4. BASIC OPERATION (HOW TO SET THE TIME/HOW TO RECEIVE GPS
SIGNALS, ETC.) ........................................................................... 12
Basic operation flow ..................................................................... 12
Place where GPS signals can be easily received/cannot be
received .................................................................................... 13
Time Zone Adjustment (When the region or time zone where the
watch is used is changed ) ......................................................... 14
Check the time zone setting ...................................................... 16
Set Daylight Saving Time (DST) ................................................ 18
In-flight mode ( ) (When boarding) ............................................. 19
Manual time zone setting (To set the watch to the local time of the
destination in an airplane, etc. ) ................................................ 20
manual time adjustment (To set only the time) ........................... 21
Automatic time adjustment ...................................................... 23
Reception result display (Check that reception was
successful) ................................................................................. 24
Dual time display ..................................................................... 25
How to set the sub-dial ............................................................ 26
ASTRON 7X52 GPS SOLAR
CONTENTS
2 5. DETAILED INFORMATION ............................................................ 27
Mechanism by which the GPS watch sets time and date ............... 27
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Time zone .............................................................................. 28
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GPS signal reception ............................................................... 29
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Leap second (Automatic leap second reception function) ............ 30
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6. IN CASE OF AN UNUSUAL MOVEMENT OF THE SECOND HAND ......... 31
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Energy depletion forewarning function (second hand movement
and watch state ) ..................................................................... 31
7. TO PRESERVE THE QUALITY OF YOUR WATCH .............................. 33
Daily care .............................................................................. 33
Performance and caliber / case number ....................................... 33
Screw-lock type crown ............................................................ 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
8. TROUBLESHOOTING .................................................................. 42
When the watch is unable to receive GPS signals ........................ 42
When the time/date or indicator hand position is misaligned ......... 45
In case of an abnormal movement (resetting the built-in IC ) ......... 48
Troubleshooting ..................................................................... 51
9. FUNCTION LIST/SPECIFICATIONS ................................................ 56
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