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Operation Guide 2629

MA0310-EA

The Power Saving feature of the watch is turned on at the factory.

• Power Saving causes the watch to automatically enter a sleep state to save power whenever the watch is left in the dark.

• Note that the watch may also enter the sleep state if the watch is blocked from light by your sleeve.

❚

How the sleep state works

• Display sleep state

The display sleep state is triggered whenever the watch is left in the

dark for about one hour between the hours of 10 p.m. and 6 a.m.

• The watch does not enter the sleep state if it is in the

Stopwatch Mode.

• The display goes blank, except for a sleep indicator flashing on it.

Alarms and the hourly time signal continue to operate normally

while the watch is in the display sleep state.

Sleep indicator

• Function sleep state

The function sleep state is triggered whenever the watch is left in the

dark for six or seven days.

• The sleep mark stops flashing and remains on the display.

• Alarms, the hourly time signal, and auto signal reception are

also disabled while the watch is in the function sleep state.

• Digital timekeeping functions continue to operate normally in

the function sleep state.

❚

To recover from the sleep mode

Place the watch in an area that is well-lit, press any button, or

angle the watch toward your face to illuminate the display using

the Auto Light.

• It can take up to two seconds before the display re-appears after

you place the watch in a well-lit area.

❚

Turning Power Saving On or Off

Use the procedure under “Setting the Home Time and Date

Manually” to turn Power Saving on or off.

Leaving the watch in a drawer or anywhere else it is dark can

cause Power Saving to trigger in order to conserve battery

power.

Power Saving

Hour, minute,

second

Day of the Week

Current Time

Sunset Time

Sunrise

Time

PM indicator

(no indicator

for AM)

Battery

Indicator

(Light)

Month- day

Graphic Area

Time Stamp (Time Memo)

Holding down the B button for about one second in the

Timekeeping Mode creates a record containing the

current date (month and day) and time (hour, minute,

second) in memory. Storage of the record is indicated by

the watch beeping.

• The display shows the contents

of the record for about two

seconds, after which the

normal Timekeeping Mode

display reappears.

• See “Viewing Time Stamp

(Time Memo) Data” for

information about recalling

Time Stamp records.

Mode Indicator

Memo number

Timekeeping Mode

Sunrise/Sunset Mode

Stopwatch Mode

Direction Mode Recall Mode

Alarm Mode World Time Mode

Mode IndicatorMode Indicator

Alarm Number

• The watch will automatically return to the Timekeeping Mode if you do not perform any operation for two or three minutes in the

Sunrise/Sunset Mode, Direction Mode, Recall Mode, or Alarm Mode.

• Entering the Alarm Mode displays an alarm number, “SNZ” (snooze alarm), or “SIG” (hourly time signal).

Modes and Display Screens

Summary of content (9 pages)

PAGE 1
Operation Guide 2629 MA0310-EA Power Saving The Power Saving feature of the watch is turned on at the factory. • Power Saving causes the watch to automatically enter a sleep state to save power whenever the watch is left in the dark. • Note that the watch may also enter the sleep state if the watch is blocked from light by your sleeve.
PAGE 2
Operation Guide 2629 Power Supply The power supply of this watch uses a solar cell to generate electrical power, which is stored by a rechargeable battery. Using or storing the watch where it is not regularly exposed to light, or allowing it to be blocked from light by your sleeve as you are wearing it can cause the power of the rechargeable battery to run down. To ensure stable operation, be sure to allow the watch to be exposed to light as much as possible when you are wearing or storing it.
PAGE 3
Operation Guide 2629 How a Radio-controlled Watch Works What is a radio-controlled watch? Calibration Signal Your radio-controlled watch is designed to receive a time calibration signal that contains standard time data and adjust its current time setting accordingly. • The Japanese calibration signal (Call Sign: JJY) is maintained by the independent Japan Ministry of Posts and Telecommunications Communication Research Laboratory (CRL). It is a long wave signal transmitted 24 hours a day from the Mt.
PAGE 4
Operation Guide 2629 ❚ To view the last reception date and time In the Timekeeping Mode, press the D button. • This displays the date and time that signal reception was complete and the current time and date were adjusted. • To return to the timekeeping screen, press the D button again. • The display will return to the normal timekeeping screen automatically if you do not perform any operation for about one or two minutes. ❚ To specify the transmitter mode 1.
PAGE 5
Operation Guide 2629 ❚ To specify the latitude, longitude, and GMT differential Sunrise/Sunset Mode The watch adjusts the sunrise and sunset times that it displays in accordance with your current location. To ensure proper display of sunrise and sunset times, you need to specify the name (city code), latitude, longitude, and GMT differential of your current location. 1. • Once you specify your current location, you do not need to change it unless you move to another relatively faraway location.
PAGE 6
Operation Guide 2629 ❚ GMT Differential, Latitude, and Longitude City Name Pago Pago Honolulu Papeete Anchorage Los Angeles San Francisco Las Vegas Vancouver Seattle Denver El Paso Edmonton Chicago Houston New Orleans Mexico City New York Montreal Detroit Miami Boston Panama Lima Caracas San Diego Rio de Janeiro GMT Differential DST Longitude Latitude –11 –10 171°W 14°S –10 –10 – 9 – 9 158°W 21°N 150°W 18°S – 9 – 8 150°W 61°N – – – – – – – – – – 118°W 122°W 115°W 123°W 122°W 8 8 8 8 8 7 7 7 7
PAGE 7
Operation Guide 2629 World Time Mode Viewing Time Stamp (Time Memo) Data You can view Time Stamp data in the Recall Mode, which you enter by pressing the C button three times from the Timekeeping Mode. The Time Stamp function lets you store up to 30 records of time data (month, day, hour, minute, second). Time Stamp records serve as helpful memos when you need to remember the current date and time for some reason.
PAGE 8
Operation Guide 2629 3. Alarm Mode Your watch comes with five alarms and an hourly time signal. ❚ Daily Alarms (AL 1 to AL 4) The watch beeps for about 10 seconds when an alarm time is reached. ❚ To set an alarm 1. ❚ Snooze Alarm (SNZ) With the snooze alarm, the watch beeps for 10 seconds when the alarm time is reached, and up to seven times at five-minute intervals thereafter (approximately 30 minutes total). Pressing any button stops the beeper, but the alarm will sound again after five minutes.
PAGE 9
Operation Guide 2629 3. Setting the Time and Date Manually You can use the following procedure to set the current time and date of the Home City that you have selected in the Timekeeping Mode. • Always use the Timekeeping Mode to set and adjust the current time and date settings. ❚ To configure settings Settings 1. Timekeeping Mode (Hold down about two seconds.