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Seiko ASTRON User Manual

Seiko ASTRON
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10
ASTRON 7X52 GPS SOLAR
BEFORE USE
CONTENTS
3
Indicator display
Charging status
Solution
F (full)
Reception is
allowed.
Proceed to P. 12
Level position
(middle)
Reception is
allowed, but keep
in mind to charge
the watch.
About charging
P. 11
Indicator display
Movement of second hand
Charging status Solution
1-second
interval
movement
E
(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. 11
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. 31)
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. 11
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. 19
When the indicator hand
points to “E,” charge the watch
following the above.
Check the charging status
Reception is
allowed
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. 11
Reception is
not allowed

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Seiko ASTRON Specifications

Frequency IconFrequency
frequency of crystal oscillator32, 768 Hz
loss/gain (monthly rate)±15 seconds
Operating Environment IconOperating Environment
operational temperature range−10°C to +60°C
normal temperature range5°C to 35°C
Power IconPower
power sourceSecondary battery, 1 piece
duration of operation (fully charged)Approximately 6 months
duration of operation (power save activated)Approximately 2 years

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