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WATCH COLLECTION

NG770C / NG770D / 

NG771D

INSTRUCTION 

MANUAL

2

Summary of Contents for NG770C

Page 1: ...WATCH COLLECTION NG770C NG770D NG771D INSTRUCTION MANUAL 2...

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Page 3: ...imepiece equipped with the very latest technology It is operated simply with a corrector and a push button The additional manual start function allows you to change the battery even when you are outsi...

Page 4: ...lapsed since your watch last had contact with the DCF transmitter Therefore a 0 means that there are ideal reception conditions CHANGING THE LCD If you press the push button recessed right hand button...

Page 5: ...only move 11 hours instead of 23 This does not mean that your watch is malfunctioning Nine seconds after you last press the corrector the LCD returns to the normal display of seconds and date adjuste...

Page 6: ...watch s memory is then displayed Positioning the hands The hands have not reached the exact 12 00 position Now press the corrector left hand side The LCD shows Po 0 zero position of the hands This me...

Page 7: ...UAL START After positioning the hands as described in the previous section press the corrector left hand side briefly The minutes are displayed on the LCD If you continue to press the corrector left h...

Page 8: ...s your watch still operates very accurately on the quartz time base due to the internal time memory The next time that a successful reception makes synchronization possible the reception indicator is...

Page 9: ...pected by Customer Service without delay Penetration of moisture may damage the watch Your watch is fitted with a quality wrist strap that has undergone multiple inspections at the factory If however...

Page 10: ...500 km radius of Frankfurt am Main Quartz time base 32 kHz Battery type Li CR 1620 3 V 75 mAh Operating voltage range 2 4 V to 3 4 V Battery life normal use 4 years Time zone adjustment range Worldwi...

Page 11: ...is scale cannot place a decimal point therefore the calculation of this watch should be used as a guide only 1 Time Required Example Obtain the time required for the flight of an aircraft at 180 knots...

Page 12: ...hour when the flight time is 30 minutes and the fuel consumption is 130 gallons Operation Align 13 on the outer scale with 30 on the inner scale Then the SPEED INDEX on the inner scale corresponds to...

Page 13: ...cent time Example Obtain the difference in altitude when an aircraft continues descending for 20 minutes at a rate of 430 feet a minute Operation Align 43 on the outer scale with 10 on the inner scale...

Page 14: ...he inner scale corresponds to 30 on the outer scale Thus the rate of climb is 300 feet a minute 9 Time of Climb or Descent The time required for climb can be obtained from the altitude to be reached a...

Page 15: ...ained 12 Division Example 900 47 Operation Align 90 on the outer scale with 47 on the inner scale Then 10 on the inner scale corresponds to 19 1 on the outer scale Take into account the position of th...

Page 16: ...uro The exchange rate is 1 4 CHF to 1 Euro therefore 14 CHF converts to 10 Euro Operation Align 14 on the outer scale with 10 on the inner scale Then 35 on the outer scale corresponds to 25 on the inn...

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Page 18: ...2008 National Geographic Society NATIONAL GEOGRAPHIC and Yellow Border Design are trademarks of the National Geographic Society All rights reserved...

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