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Chapter 12
Troubleshooting
Check each item.
Problem
Solution
Basic actions
The screen is not displayed. Operation stops immediately after purchase.
).
Nothing is displayed if the battery runs out.
Charge the battery (
).
The device does not react
even after performing an
operation.
Is the battery running low? Charge the battery
(
).
If the device does not operate after charging,
try resetting the system (
The [Menu] screen or other
screens are not displayed.
Only the clock is displayed.
Is the battery running low? Charge the battery
(
).
The time is not set correctly. Set the time by receiving a GPS signal. Change
to the chronograph function to receive a GPS
signal (
If the hour is different, check the time zone
and summer time settings.
Chronograph
actions
The device cannot receive a
GPS signal.
Check that there are no obstructions over
head, and that you can see the sky. Signals
from the GPS cannot be received while
indoors. Also, if there are any obstacles partially
blocking the sky, such as tall buildings and
mountain sides, reception may be interrupted
causing a lack of precision.
Signals from the GPS are
hard to receive or are
interrupted.
Even when a signal is being received, it may
be interrupted depending on the running
environment.
