Seiko ASTRON Complete User Guide

8
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 R ECEIVE
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

Seiko ASTRON Specifications

Frequency

frequency of crystal oscillator	32, 768 Hz
loss/gain (monthly rate)	±15 seconds

Operating Environment

operational temperature range	−10°C to +60°C
normal temperature range	5°C to 35°C

Power

power source	Secondary battery, 1 piece
duration of operation (fully charged)	Approximately 6 months
duration of operation (power save activated)	Approximately 2 years