Table of Contents
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Contents
E-2
About This Manual
E-3
Using the Crown
E-3
To lock the crown
E-3
To unlock the crown
E-4
To pull the crown out
E-4
To rotate the crown
E-4
To start high-speed hand movement
E-4
To stop high-speed hand movement
E-5
To push the crown in
E-6
Things to check before using the watch
E-11 Charging the Watch
E-15
To recover from the sleep state
E-16 Radio Controlled Atomic Timekeeping
E-18
To get ready for a receive operation
E-20
To check the result of the latest receive operation
E-20
To perform Manual Receive
E-21
To turn auto receive on or off
E-23 Mode Reference Guide
E-8
E-62 Specifying Altitude, Barometric Pressure, and Temperature Units
E-62
To specify altitude, barometric pressure, and temperature units
E-63 Using the Alarm
E-63
To change the alarm time setting
E-64
To turn the alarm on or off
E-64
To stop the alarm
E-65 Using the Stopwatch
E-65
To perform elapsed time measurement
E-66 Adjusting Home Positions
E-67
To trigger auto hand home position adjustment manually
E-68
To adjust the Day Indicator home position
E-69 Illumination
E-69
To turn on illumination manually
E-69
To change the illumination duration
E-71
To enable or disable the auto light switch
E-73 Troubleshooting
E-80 Specifi cations
E-10
Important!
•
Keep the watch in an area normally exposed to bright light when storing it for long periods. This helps
to ensure that power does not run down.
•
Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is
blocked from exposure to light can cause power to run down. Make sure that the watch is exposed to
bright light whenever possible.
Power Levels
You can get an idea of the watch's power level by observing the
movement of the c c Second Hand in the Timekeeping Mode.
If the c c Second Hand is moving smoothly at one-second intervals,
•
power is at Level 1.
If the c c Second Hand is jumping at two-second intervals, power is at
•
Level 2, which is quite low. Expose the watch to light as soon as
30
30
possible so it can charge (Low battery alert).
Jumps at two-second
Jumps at two-second
intervals
intervals
E-12
Charging Times
Exposure Level (Brightness)
Outdoor sunlight (50,000 lux)
Window sunlight (10,000 lux)
Window sunlight on cloudy day (5,000 lux)
Indoor fl uorescent lighting (500 lux)
*1 Approximate exposure each day to generate power for normal daily operation.
*2 Approximate exposure to take power up one level.
•
The above times are for reference only. Actual times depend on lighting conditions.
•
For details about the operating time and daily operating conditions, see the "Power Supply" section of
the Specifi cations (page E-83).
E-14
Operation Guide 5242
Level Change *2
Daily
Level 3
Level 2
Operation *1
8 minutes
3 hours
30 minutes
7 hours
48 minutes
11 hours
8 hours
115 hours
E-27 Confi guring Home City Settings
E-27
To confi gure Home City settings
E-29
To select Auto or Manual Standard Time/Daylight Saving Time Switching
E-31 Confi guring Current Time and Date Settings Manually
E-31
To change the current time setting manually
E-33
To change the current date setting manually
E-35 Taking Direction Readings
E-35
To take a direction reading
E-37
To perform bidirectional calibration
E-38
To perform northerly calibration
E-40
To set a map
E-42 Taking Altitude Readings
E-44
To take an altitude reading
E-46
To calibrate the altitude sensor reading
E-51 Taking a barometric pressure reading
E-52
To take a barometric pressure reading
E-55
To show and hide barometric pressure differential
E-56
To calibrate the Barometric Pressure Sensor Reading
E-58 Taking Temperature Readings
E-59
To take a temperature reading
E-60
To calibrate the temperature sensor reading
Charging the Watch
The face of the watch is a solar panel that generates power from light. The generated power charges a
built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed
to light.
Charging Guide
Whenever you are not wearing the
watch, be sure to leave it in a
location where it is exposed to light.
•
Best charging performance is
achieved by exposing the watch to
light that is as strong as possible.
Warning!
Leaving the watch in bright light for charging can cause it to become quite hot. Take care when
handling the watch to avoid burn injury. The watch can become particularly hot when exposed to
the following conditions for long periods.
•
On the dashboard of a car parked in direct sunlight
•
Too close to an incandescent lamp
•
Under direct sunlight
Level Hand Movement
1
Normal.
c c Second Hand jumps at two-second intervals.
b b Day indicator changes to 1 at the time of normal
2
date changing.
All hands stop at 12 o'clock.
3
b b Day indicator changes to 1.
•
When power drops to Level 3, all functions will be disabled but the watch will continue to keep time
internally for about one week. If you recharge the battery suffi ciently during this period, the hands will
move automatically to the correct setting and regular timekeeping will resume. After one week, all
settings (including timekeeping) will be cleared. Recharging the battery will reset all settings to their
initial factory defaults.
Power Recovery Mode
The watch is designed to go into a power recovery mode that temporarily disables functions whenever
power suddenly drops below a certain level due to overuse of sensors, illumination, and/or the alarm tone
over a short period. All watch operations are disabled in the power recovery mode.
The hands will move to the correct positions and the watch will resume normal operation after power
recovers (in about 15 minutes). Putting the watch in a location where it is exposed to light will help power
to recover sooner.
Power Saving
Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area
where it is dark. The table below shows how watch functions are affected by Power Saving.
Level 1
•
There actually are two sleep state levels: "second hand sleep" and "function sleep".
Elapsed Time in Dark
31 hours
60 to 70 minutes (second hand sleep)
113 hours
184 hours
– – –
6 or 7 days (function sleep)
•
The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep
state when 6:00 AM arrives, however, it will remain in the sleep state.
•
The watch will not enter a sleep state while it is in the Stopwatch Mode.
To recover from the sleep state
Move the watch to a well-lit area, perform any button operation, perform a crown operation (pull-out,
rotate), or move your hand to an angle that causes an Auto Light operation.
When wearing the watch, make sure
that its face is not blocked from light
by the sleeve of your clothing.
•
The watch may enter a sleep state
(page E-15) if its face is blocked
by your sleeve even only partially.
Function Status
All functions enabled
Illumination, beeper, sensors, time calibration signal
reception, home position adjustment all disabled.
All functions disabled
Operation
c c Second Hand stopped at 12 o'clock.
•
•
All other functions enabled.
•
All functions, including timekeeping, disabled.
•
All hands stopped at 12 o'clock.
Only the b b Day Indicator operates normally.
•
E-9
E-11
E-13
E-15
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