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E-104
Charging
■
The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 5 (page E-15). Keep the watch exposed to light until
it recharges suffi ciently.
■
RECOVER is fl ashing on the digital display.
The watch is in the charge recovery mode. Wait until the recovery process is complete (about 15 minutes).
The watch will recover more quickly if you place it in a brightly lit location.
Note
• Performing repeated illumination and/or sensor reading operations over a short time period can cause
a sudden drop in watch’s charge. This will cause the watch to enter the charge recover mode. The
watch is in the charge recovery mode when
RECOVER
is fl ashing on the digital display. The charge
recovery mode is the same as a low battery charge state, access to some functions is limited while the
watch charge is recovering. Normal operation will resume after recovery is complete. For more
information, refer to “Power Recovery Mode” (page E-17).
• A fl ashing
CHARGE
indicator means that the charge level of the watch has suddenly dropped.
Immediately expose the watch to light to charge it.
Time Calibration Signal
The information in this section applies only when
LON
,
PAR
,
ATH
,
HKG
,
HNL
,
ANC
,
LAX
,
DEN
,
CHI
,
NYC
, or
TYO
is selected as the Home City. You need to adjust the current time manually when any other
city is selected as the Home City.
E-105
■
The display shows the ERR indicator when I check the result of the latest receive operation.
Possible Cause Remedy Page
• You are wearing or moving the
watch, or performing a button
operation during the signal
receive operation.
• The watch is in an area with
poor reception conditions.
Keep the watch in an area where reception conditions are good
while the signal receive operation is performed.
E-22
You are in an area where signal
reception is not possible for
some reason.
See “Approximate Reception Ranges”. E-21
The calibration signal is not
being transmitted for some
reason.
• Check the website of the organization that maintains the time
calibration signal in your area for information about its down times.
• Try again later.
–
■
The current time setting changes after I set it manually.
You may have the watch confi gured for auto receive of the time calibration signal (page E-23), which will
cause the time to be adjusted automatically according to your currently selected Home City. If this results
in the wrong time setting, check your Home City setting and correct it, if necessary (page E-34).
E-106
■
The current time setting is off by one hour.
Possible Cause Remedy Page
Signal reception on a day for
switching between standard
time/daylight saving time (DST)
may have failed for some reason.
Perform the operation under “To get ready for a receive operation”.
The time setting will be adjusted automatically as soon as signal
reception is successful.
E-22
If you are unable to receive the time calibration signal, change the
standard time/daylight saving time (DST) setting manually.
E-36
■
Auto receive is not performed or you cannot perform manual receive.
Possible Cause Remedy Page
The watch is not in the
Timekeeping Mode.
Auto receive is performed only while the watch is in the Timekeeping
Mode. Enter the Timekeeping Mode.
E-31
Your Home City setting is wrong. Check your Home City setting and correct it, if necessary. E-34
There is not enough power for
signal reception.
Expose the watch to light to charge it. E-14
E-107
■
Signal reception is being performed successfully, but the time and/or day is wrong.
Possible Cause Remedy Page
Your Home City setting is wrong. Check your Home City setting and correct it, if necessary. E-34
The DST setting may be
incorrect.
Change the DST setting to Auto DST. E-34
Calibration signal interference
caused the time and/or date
setting to be adjusted
incorrectly.
Perform manual calibration signal receive. E-24
E-108
Specifi cations
Accuracy at normal temperature:
±15 seconds a month (with no signal calibration)
Digital Timekeeping:
Hour, minutes, seconds, a.m. (
A
)/ p.m. (
P
), month, day, day of the week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Five display formats (day of the week, month, day; barometric pressure change, month, day;
hour, minute, second; World Time hour, minute; Moon age); Home City code (can be assigned
one of 29 city codes
+
UTC); standard time / daylight saving time (summer time)
Analog Timekeeping:
Hour, minutes (hand moves every 10 seconds), seconds
Time Calibration Signal Reception:
Auto receive 6 times a day (5 times a day for the Chinese calibration
signal) ; Remaining auto receives cancelled as soon as one is successful; Manual receive;
Receive Mode
Receivable Time Calibration Signals: Mainfl ingen, Germany (Call Sign: DCF77, Frequency: 77.5
kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fort Collins, Colorado, the
United States (Call Sign: WWVB, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY,
Frequency: 40.0 kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz) ; Shangqiu
City, Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Barometer:
Measurement and display range:
260 to 1,100 hPa (or 7.65 to 32.45 inHg)
Display unit: 1 hPa (or 0.05 inHg)
Other: Calibration; Barometric pressure graph; Barometric pressure differential pointer; Barometric
pressure change indicator
E-109
Digital Compass:
60 seconds continuous reading; 16 directions; Angle value 0° to 359°; Measurement
unit: 1° (digital display)/6° (hand); North indicated by second hand: Compass calibration
(bidirectional, magnetic declination angle)
Altimeter:
Measurement range: –700 to 10,000 m (or –2,300 to 32,800 ft.) without reference altitude
Display range: –3,000 to 10,000 m (or –9,840 to 32,800 ft.)
Negative values can be caused by readings produced based on a reference altitude or due to
atmospheric conditions.
Measurement Unit: 1 m (or 5 ft.)
Current Altitude Data: 1 hour - every second for the fi rst 3 minutes, followed by every 5 seconds for
the remainder of the hour (
0'05
); 12 hours - every second for the fi rst 3 minutes, followed by
every 2 minutes for the remainder of the 12 hours (
2'00
)
Other: Reference altitude setting; Altitude differential (–100 to +100m/–1,000 to +1,000m); Altitude
measurement interval (
0'05
or
2'00
)
Thermometer:
Measurement and display range: –10.0 to 60.0°C (or 14.0 to 140.0°F)
Display unit: 0.1°C (or 0.2°F)
Other: Calibration
Pressure Sensor Precision:
Measurement accuracy: Within ±3hPa (0.1 inHg) (Altimeter accuracy: Within ± 75m (246 ft.))
• Values are guaranteed for a temperature range of –10°C to 40°C (14°F to 104°F).
• Precision is lessened by strong impact to either the watch or the sensor, and by temperature
extremes.
E-110
Bearing Sensor Precision:
Direction: Within ±10°
Values are guaranteed for a temperature range of 10°C to 40°C (50°F to 104°F).
North indicated by second hand: Within ±2 segments
Temperature Sensor Precision:
±2°C (±3.6°F) in range of –10°C to 60°C (14.0°F to 140.0°F)
World Time:
29 cities (29 time zones), UTC (Universal Time Coordinated); Home City/World Time City
switching; one-touch UTC zone access
Other: Daylight Saving Time/Standard Time
Tide/Moon Data:
Tide levels (Tide Graph), Moon age; date selection; time selection (Tide Graph only)
Stopwatch:
Measuring unit: 1/100 second
Measuring capacity: 23:59' 59.99"
Measuring modes: Elapsed time, split time, two fi nishes
Countdown Timer:
Measuring unit: 1 second
Countdown range: 60 minutes
Setting unit: 1 minute
Alarms:
5 Daily alarms; Hourly time signal
Illumination:
LED light; Selectable illumination duration (approximately 1.5 seconds or 3 seconds); Auto
Light Switch (Full Auto Light operates only in the dark)
Other:
Battery power indicator; Power Saving; Button operation tone on/off; alarm test; auto hand position
adjustment; hand shift feature (to view digital info)
E-111
Power Supply:
Solar panel and one rechargeable battery
Approximate battery operating time: 6 months (from full charge to Level 4) under the following
conditions:
• Light: 1.5 seconds/day
• Beeper: 10 seconds/day
• Direction readings: 20 times/month
• Climbs: Once (approximately 1 hour of altitude readings)/month
• Barometric pressure change indicator readings: Approximately 24 hours/month
• Barometric pressure graph: Readings every 2 hours
• Time calibration receive: 4 minutes/day
• Display: 18 hours/day
Frequent use of illumination runs down the battery. Particular care is required when using the auto
light switch (page E-98).
Operation Guide 5371
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