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1. SPECIFICATIONS: QW-2223
Battery CR2016
Battery life Approx. 2 years
Current consumption 1.57 µA maximum
Alarm system Piezo plate on Back cover
Accuracy ±15 sec./month
Accuracy setting system Trimmer capacitor
Accuracy checking See page 10
Functions
Item Detail
•Shock resistant (G-SHOCK)
•Electro-luminescent backlight
Auto light switch, afterglow
•World time
Current time in 27 cities (29 time zones), city code display, daylight
saving on/off
• 1/100-second stopwatch
Measuring capacity: 99:59'59''
Measuring modes: Elapsed time, lap/split time
Memory capacity: 500 lap/split time records with lap/split number
• Daily alarm
• Hourly time signal
• Auto-calender (to year 2039)
• 12/24-hour formats
• Regular timekeeping: Hour, min, sec, pm, month, date, day
CONTENTS
Page
1. SPECIFICATIONS: QW-2223..................................................................... 1
2. OPERATION CHART: QW-2223 ................................................................ 2
3. DRAWINGS: QW-2223
3-1. BLOCK DIAGRAMS ........................................................................... 5
3-2. CHECKING TERMINALS AND COMPONENT .................................. 7
4. EXPLODED VIEW: QW-2223 ..................................................................... 8
5. PARTS LIST: QW-2223 .............................................................................. 9
6. PRECAUTIONS FOR REPAIR: QW-2223
6-1. AC (ALL CLEAR) AND REMOVING OF MODULE........................... 10
6-2. ACCURACY CHECKING ................................................................... 10
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