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MA0410-EA
Operation Guide 3731
Power Saving
The Power Saving feature of the watch is turned on at the factory.
• Power Saving causes the watch to turn off the display automatically and 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 ❚ To recover from the sleep mode
• Display sleep state Place the watch in an area that is well-lit, press any
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Operation Guide 3731 Required Daily Charging Time ❚ Charging Precautions ❚ Charging Guide • The following is the daily Power Supply Avoid charging the watch in the following locations, and anywhere Starting from a full charge, the watch amount of charging required else where the watch may become very hot. should be able to continue operating each day to support the • On the dashboard of an automobile parked in the sun for about five months without further operations under “Daily Use”. The po
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Operation Guide 3731 ❚ To specify the illumination duration 3. Press the BBBBB button to How a Radio-controlled Watch Works toggle the illumination 1. In the Timekeeping Mode, duration between about 2 hold down the AAA button AA seconds (● indicator) and for about two seconds. 1.5 seconds (no indicator). What is a radio-controlled watch? Calibration Signal Your radio-controlled watch is designed to receive a time • The Japanese calibration signal (Call Sign: JJY) is maintained by • This will cau
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Operation Guide 3731 Receive Indicator ❚ Receive Indicator ❚ To view the last reception date and time Configuring Auto Receive Settings 3. Use the DDDDD and BBBBB buttons The receive indicator cycles from to cycle through the Use the procedure below to turn auto receive of the time In the Timekeeping Mode, press the BBBBB button. “Unstable” through “Stable” as available auto receive calibration signal on or off. When +9.0 (Tokyo) is selected as the shown below while reception is in settings. tim
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Operation Guide 3731 ❚ To set an alarm time (Back) 3. Use the DDDDD (+) and BBBBB (–) Using the Alarms and the Hourly Time Signal buttons to change the 1. In the Alarm Mode, use the hour setting. BBBBB button to scroll Types of Alarms through the alarm screens • Holding down either button Using the Alarms (AL1 to AL5) until the one scrolls the setting at high You can set up to five independent daily alarms. An alarm sounds you want is displayed. speed. • Daily Alarms (AL 1, AL 2, AL 3) for 10 se
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Operation Guide 3731 How Hands Operate in the Selecting Lap or Split Time Display Using the Stopwatch Before starting an elapsed time operation in the Stopwatch Mode, Stopwatch Mode you should select display of either lap times or split times. In the Stopwatch Mode, elapsed time is indicated both by the The stopwatch measures elapsed time in units of 1/100 second up to 59 minutes, 59.99 seconds (60 minutes). When the maximum limit is digital display and by the hands of the watch. Resetting the W
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Operation Guide 3731 3. While any record is displayed, you can press the AAAAA button to toggle between the lap time and split time displays. Lap Time Split Time Clearing Lap/Split Time Memory Records • Starting a new elapsed time operation from zero deletes all lap and split time data currently in lap/split time memory. • You can also manually clear lap/split time memory by holding down the A and B buttons at the same time for about two seconds. • “LAP – – ” appears on the screen after lap/spli
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Operation Guide 3731 4. Press the DDDDD button to 5. Use the CCCCC button to cycle Configuring Home Time Zone Settings cycle through the summer through the time and date time settings until the one settings shown below. you want is displayed. Each press of the CCCCC You can use the following procedure to set the current time and (Eastward) button causes the 2. Use the DDDDD (Westward) date of the Timekeeping Mode Home Time Zone. applicable setting to flash. and BBBBB (Eastward) buttons • Always
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Operation Guide 3731 High-speed Hand Movement CC 4. Press the CCC button to 7. If the 1/20-second hand is 9. If the stopwatch minute • While holding down the D button to start high-speed clockwise move the flashing not aligned with the hand is not aligned with movement of the hands, press the B button to lock the between the hour and 12 o’clock position, use the 12 o’clock position, high-speed movement. DD minute settings. the DDDDD button to adjust it. use the DDD button to • While holding down
