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Summary of Contents for Citizen C70
- Page 1 TEMP MODE...
- Page 2 This watch is a combination quartz watch, with a race timer function for various races such as yacht racing, etc., chronograph function, and timer function. It also has a thermometer function and an EL (electroluminescence) light function.
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Page 3: Table Of Contents
CONTENTS 1. NAME OF PARTS ......... . .4 8. -
Page 4: Name Of Parts
1. NAME OF PARTS Mode Time Calendar Alarm 1 Alarm 2 Chronograph Race Timer Timer Name Press once Switching ON/OFF Switching ON/OFF Start/Stop Start/Stop Start/Stop Button A Press for more EL light ON Alarm monitor Alarm monitor than 2 seconds Press once Thermometry Thermometry... -
Page 5: Setting The Hands
2. SETTING THE HANDS 4: Graphic display Always indicates graphic, syncronized with digital display 1 5: Crown Used for setting analog Second hand (1) Pull the crown out to stop the second 6: Hour hand Always indicates time (hours) hand. (2) Turn the crown to set the correct time. -
Page 6: Changing Digital Functions (Modes)
3. CHANGING DIGITAL FUNCTIONS (MODES) 4. USING EACH FUNCTION (MODE) Besides the time function, this watch has six other functions. Calendar, alarm 1, A. Time mode <TME> alarm 2, chronograph, race timer and timer. When button A is pressed or being pressed in time mode, the EL light is turned The current mode can be checked by the mode mark. - Page 7 * When watch is set to the summer time (ON). The “SUM.” appears and the watch indicates time that is one hour ahead of • When setting time in 12-hour indication system, make sure it is correctly set standard time. for the morning (A) or the afternoon (P).
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Page 8: Calendar Mode
B. Calendar mode <CAL> • The Year (in the Christian era) can be set between 1998 and 2099. (Year When button A is pressed or being pressed in calendar mode, the EL light is display appears in calendar setting mode only.) turned on. -
Page 9: Alarm 1 & 2 Modes
C. Alarm 1 & 2 modes <AL-1, AL-2> <Switching alarm ON/OFF> Each time button A is pressed while in normal alarm display, the alarm is The only difference between alarm 1 and alarm 2 is the sound. The two modes switched ON/OF(off) alternately. -
Page 10: Chronograph Mode
D. Chronograph mode <CHR> • When time mode is in 12-hour system, the alarm mode is in the same system. The chronograph is capable of measuring and indicating a maximum of 23 Be aware of A/P indication whether it is set for morning (A) or afternoon (P). hours, 59 minutes, 59 seconds and 999 milliseconds in increments of 1/1000 •... - Page 11 <Total elapsed time measurment> <Changing the mode during time measurement in chronograph mode> (1) The chronograph starts or stops each time button A is pressed. Even if button M is pressed during a time measurement in chronograph mode (2) To reset the chronograph, press button B after it is stopped. and mode is changed, time measurement is continued internally.
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Page 12: Race Timer Mode
<Race timer countdown> E. Race timer mode <RACE> (1) Press button A in race timer setting display and the race timer starts counting Race timer mode has an automatic chronograph function that starts time down. measurement when set time is up. The timer can be set in 15 ways; for 1, 3, 5 or (2) If button A is pressed during the countdown, the race timer stops. - Page 13 *1: Race timer restart function (flyback function) * Note If button B is pressed during the countdown, the race timer returns to the set After race timer is switched to the automatic chronograph display, the race timer time and restarts. repeats the countdown internally according to the set time.
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Page 14: Timer Mode
• Confirmation sound F. Timer mode <TMR> At the time of start, stop, reset or restart operation in race timer or automatic The timer can be set for 1 minute to 60 minutes in increments of 1 minute. When chronograph mode, a confirmation sound is heard. the set time is up, a time-up warning sound is heard for about 5 seconds. - Page 15 <Timer countdown> • Confirmation sound (1) Press button A to start the timer at the set time. At the time of start, stop, reset or timer restart operation in timer mode, a (2) If button A is pressed during timer countdown, the timer stops. If button A is confirmation sound is heard.
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Page 16: Using The Thermometer
5. USING THE THERMOMETER <Temperature measurement range and accuracy> In Centigrade (°C) On Fahrenheit scale (°F) The thermometer indicates the current or last measured temperature in all modes except the chronograph mode. Temperature display range –9.9°C K +59.9°C 14°F K 139°F Temperature is measured in two ways: Measurement unit 0.1°C... -
Page 17: Low Battery Indicator
• Do not use the thermometer out of the display range. Extremely hot or cold 6. LOW BATTERY INDICATOR temperature may cause breakdown of the watch. When the battery gets weak, the low battery indicator function appears in digital display 2 as shown below. <Switching temperature display between centigrade and Fahrenheit>... -
Page 18: All Reset
7. ALL RESET 8. USING THE BEZEL After replacement of the battery, be sure to perform the all reset operation as Some watches do not have the following bezel functions because of differences shown below. in type or design. If the watch malfunctions or shows an abnormal display as a result of an 1. - Page 19 2. Yachting function (2) The course toward the side mark from the windward mark (starboard reach) is in the direction of the green “\” mark located in the lower left side. <Background knowledge> Wind Therefore, sail in this direction so that the yacht reaches the side mark even Windward mark In general yacht racing, such markings as when the mark is hard to find because of bad weather.
- Page 20 <Using bezel-2> <Using bezel-3> The yacht can sail in the windward direction The bezel can be used to find the angle of the Direction of wind Wind at an angle of 45° (high performance yacht start line to the wind direction. The start line is can sail 40°).
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Page 21: Precautions
9. PRECAUTIONS Examples of use (The unit “bar” is roughly equal to 1 atmosphere.) Minor exposure to Moderate exposure to Operation of the crown Indication Marine sports Scuba diving Specifications water (washing face, water (washing, kitchen or buttons with (skin diving) (with air tank) Dial Case (case back) - Page 22 Citizen Service Center for repair. Leaving the watch in such a state the table.
- Page 23 If this • For replacement of the battery, take your watch to your dealer or Citizen has occurred, move the watch away from the magnet and reset the time.
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Page 24: Specifications
10. SPECIFICATIONS chemicals or corrosive gases. If solvents, such as thinner and benzine, or substances containing such 1. Caliber No.: C70* solvents come in contact with the watch, discoloration, melting, cracking, etc. 2. Type: Combination (analog and digital) quartz watch 3. - Page 25 8. Battery life: 2 years approx. (operating conditions; alarm sound: 20 seconds/ day, time-up sound in the timer mode: 5 seconds/day, EL light: 3 seconds/day) * The specified battery assures the accuracy for 2 years when the watch is used in the standard operating condition as mentioned above.
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