6
ASTRON 7X52 GPS SOLAR
CONTENTS
CONTENTS
2
CONTENTS
1. READ FIRST …………………………………………………………………… 2
2. CONTENTS ……………………………………………………………………… 6
3. BEFORE USE …………………………………………………………………… 7
Names of the parts ………………………………………………………… 7
Indicator hand display and reception result display ………………… 8
Time zone display and list of time zones around the world ……… 9
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
5. DETAILED INFORMATION …………………………………………………… 27
Mechanism by which the GPS watch sets time and date …………… 27
Time zone …………………………………………………………………… 28
GPS signal reception ……………………………………………………… 29
Leap second (Automatic leap second reception function) ………… 30
6.
IN CASE OF AN UNUSUAL MOVEMENT OF THE SECOND HAND ………
31
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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