CASIO QW1663 (SM561)
Manual de Servicio

CONTENTS
1. SPECIFICATIONS: QW-1663........................................................................ 1 2. OPERATION CHART: QW-1663 ................................................................... 2 3. DRAWINGS
3-1. BLOCK DIAGRAMS: QW-1663 ........................................................................ 9 3-2. CHECKING TERMINALS AND COMPONENTS: QW-1663 .......................... 10 3-3. A1 ~ A4 PADS ................................................................................................. 10

4. EXPLODED VIEW: QW-1663 ...................................................................... 11 5. PARTS LIST: QW-1663 ............................................................................... 12 6. PRECAUTIONS FOR REPAIR: QW-1663
6-1. AC (ALL CLEAR) AND REMOVING OF MODULE ........................................ 13 6-2. ACCURACY CHECKING ................................................................................ 13 1. SPECIFICATIONS: QW-1663
Item Battery Battery life Current consumption Alarm system Accuracy Accuracy setting system Accuracy checking Accuracy setting Functions Detail CR2016 Approx. 1.5 years 2.78 µA maximum Piezo plate on Cover/Back ±15 sec./month Capacitor/Chip See page 13 +0.25 ~ +0.35 sec./day � Shock resistant � Electro-luminescent backlight � Auto light switch � Low-temperature resistance (�20 °C/�4 °F) � Altimeter Measuring range: 0 m to 6,000 m (0 ft. to 19,680 ft.) Measuring unit: 5 m (20 ft.) Auto/Manual memory measurements (up to 50 sets of data, each set including altitude, temperature, month, data, time) Reference altitude setting Altitude alarm Altitude tendency graph *Changeover between meters (m) and feet (ft.) � Barometer Measuring range: 460 hPa to 1,100 hPa (13.55 inHg to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Tendency graph of atmospheric pressure *Changeover between hPa and inHg � Thermometer Measuring range: �20 °C to 60 °C (�4 °F to 140 °F) Display unit: 0.1 °C (0.2 °F) *Changeover between Celsius (°C) and Fahrenheit (°F) � 1/100 sec. stopwatch Measuring capacity: 23:59'59.99" Measuring mode: Net time, split time, 1st-2nd place times � Daily alarm � Hourly time signals � Regular time keeping: Hr, min, sec, am/pm, year, month, date, day � Auto-calendar (pre-programmed to the year 2039) � 12/24-hour formats
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