Seiko ASTRON User Manual

8
ASTRON 7X52 GPS SOLAR
BEFORE USE
CONTENTS
3
Hand
position
F (full)
Level position
(middle)
E (low)
Display
Hand
position
ON OFF
Display
Hand
position
In-flight mode
( ) status
Reset in-flight mode
Display
Receiving
process
1 (time
adjustment)
4+ (time zone
adjustment)
Receiving leap
second data
Display
Y … Reception successful
(12-second position)
N … Reception failed
(18-second position)
Display of
reception result
Indicator hand display and reception result display
Continued on the
following page
Display of charging status Display of receiving process
Display of in-flight mode ( )
Display of Daylight Saving
Time (DST)
Check the charging status.  P. 10
How to charge the watch  P. 11
Check the reception result  P. 24
Automatic time adjustment  P. 23
Manual time adjustment  P. 21 ~ 22
Receive leap second data  P. 30
Time zone adjustment  P. 14 ~ 16
Check Daylight Saving Time (DST)  P. 17
Set Daylight Saving Time (DST)  P. 18
[Checking the reception
result]  P. 24
In-flight mode (
)  P. 19
 It is displayed only
while the in-flight
mode is set.
 Position of each display may differ depending
on the model (design).

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