Citizen C720 Instruction Manual Download | Manualshive

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AM

TEMP.

60

SAT

SET

OFF

50

40
THU

30

20

TUE

10

0

SUN

-10

AL-2

CHR

TMR

AL-1

SET

TME

MODE

MODE

9

2

3

7

5

4

8

B

M

A

1

6

1
2
3
...
»

Summary of Contents for C720

Page 1: ...AM TEMP 60 SAT SET OFF 50 40 THU 30 2 0 T U E 1 0 0 SU N 10 AL 2 CHR TMR AL 1 SET TME MODE MODE 9 2 3 7 5 4 8 B M A 1 6 ...

Page 2: ...nation quartz watch with a world time function which displays the time in 30 world cities and the UTC Coordinated Universal Time and a thermometer function It also includes an EL electroluminescence light function 1 English ...

Page 3: ... MODES 17 A How to set the alarms 17 B Alarm ON OFF and alarm monitor 18 7 TIMER MODE 19 A How to set the timer 19 B Timer countdown 20 8 CHRONOGRAPH MODE 22 A Total elapsed time measurement 23 B Split time measurement 23 9 THERMOMETER 25 A Methods of measurement 25 B Temperature measurement range and accuracy 26 C Switching between Celsius Fahrenheit display 27 10 LOW BATTERY INDICATOR 28 11 ALL ...

Page 4: ...nd ON or OFF SET or OFF Graphic display Temperature Time difference from UTC Month day city Hour minute city Hour minute city Alarm time city Hour minute second Measured time hours minutes SET AL 1 or AL 2 TMR CHR Mode Name 1 Mode mark display 2 Digital display 1 3 Digital display 2 Press once Press more than 2 seconds To city selection display Displayed city changes Displayed city changes quickly...

Page 5: ...ropriate section 5 Crown To set analog time 6 Hour hand Always indicates time hours 7 Minute hand Always indicates time minutes 8 Second hand Always indicates time seconds 9 Thermosensor Measures temperature shown on the digital display Mode mark blinking M 1 Zone Set mode This mode ables to set for each of 30 world cities and the UTC Coordinated Universal Time a display SET non display OFF settin...

Page 6: ...T U E SUN SET AL 2 CHR TMR AL 1 TME AM MODE 60 50 40 30 2 0 10 0 10 SET AL 2 CHR TMR AL 1 TME A Changing the display The time display changes to calendar temperature display when button B is pressed The calendar temperature display changes to city selection display when button B is pressed B B B A M Time display Calendar temperature display City selection display City Second Second Temperature Tem...

Page 7: ...change to calendar temperature display the temperature will be measured and displayed at 2 second intervals for approximately 2 minutes Temperature measurement by button operation The graphic display in time display and city selection display is an approximate indication of the latest measured temperature In each of the displays the EL light goes on when button N is pressed B Changing the displaye...

Page 8: ... for example February 30 is set the first day of the next month is displayed automatically by returning to the normal display This watch has an automatic calendar so it is not necessary to make adjustments for the ends of months even in leap years 13 C Adjusting the time and calendar If the time and calendar settings for any of the 30 cities or the UTC are adjusted those for all of the other citie...

Page 9: ...arm modes 15 When the watch is left for approximately 2 minutes in the adjustment mode blinking display it will automatically return to normal display If button M is pressed in the adjustment mode the watch will immediately return to normal display 14 AM SUMMER MODE SET OFF SET AL 2 CHR TMR AL 1 TME B A Zone setting display City blinking Time difference from UTC Hour minute SET When button A is pr...

Page 10: ...he zone setting city 2 Press button B continuously for more than 2 seconds In the graphic display SET display or OFF non display will blink 3 Press button A and select SET or OFF for the displayed city 4 Press button B SUMMER and ON or OFF will blink 5 Press button A and select ON or OFF for the summer time setting If you wish to input settings for other cities press button B again The watch will ...

Page 11: ...ure will blink 5 Press button A to set the Minutes 6 Press button M to return to normal display When Time Calendar mode is on 12 hour system alarms operate on the same system Please pay attention to AM PM when setting alarm times After alarm is set the alarm time will not change even if Time Calendar mode is set to summer time If the watch is left in adjustment mode for approximately 2 minutes it ...

Page 12: ... However if the timer time is up the display returns to timer set time 21 20 B Timer countdown 1 Press button A to start the timer at the set time 2 If button A is pressed during timer countdown the timer stops If button A is pressed again the timer restarts 3 If button B is pressed when the timer stops the display returns to the timer set time 1 Timer restart function If button B is pressed durin...

Page 13: ...latest split time 3 To reset chronograph press button B after it is stopped A B B B A 1 Split time Measurement Reset Stop 1 Automatically returns to measurement mode after 10 seconds 8 CHRONOGRAPH MODE The chronograph is capable of measuring and indicating a maximum of 23 hours 59 minutes 59 seconds and 999 milliseconds in increments of 1 1000 second After 24 hours it stops with a reset display of...

Page 14: ...rature measurement by button operation If you change to the calendar temperature display in the Time Calendar mode the temperature will be measured at 2 second intervals for 2 minutes 25 24 Changing the mode during time measurement in chronograph mode Even if button M is pressed during a time measurement in chronograph mode and mode is changed time measurement is continued internally The measured ...

Page 15: ...play Fahrenheit display Notes If the watch is worn on the wrist durning temperature measurement the body temperature affects measurement For accurate temperature measurement take the watch off and leave it in the measuring environment at least for 20 to 30 minutes The influence of body temperature depends on environmental conditions such as difference between atmospheric temperature and body tempe...

Page 16: ... reset operation is complete Before use reset the watch for the correct time in all modes 29 10 LOW BATTERY INDICATOR When the battery gets weak the low battery indicator function appears in the display as shown below The second hand moves at 2 second intervals moves by 2 increments every 2 seconds The temperature display starts to blink continuously Even when the watch falls into such condition i...

Page 17: ...sture visible NO NO NO NO NO NO OK NO NO Indication Dial Case case back Specifications OK NO OK OK OK OK WATER RESIST or No indication WATER RESIST ANT Water resistant to 3 atmospheres WATER RESIST ANT 5 bar or WATER RESIST ANT Water resistant to 5 atmospheres WATER RESIST ANT 10 20 bar or WATER RESIST ANT Water resistant to 10 20 atmospheres WR50 or WATER RESIST 50 WR100 200 or WATER RESIST 100 2...

Page 18: ...ay mar the finish 33 Water resistance for daily use to 3 atmospheres This type of watch is water resistant to minor exposure to water For example you may wear the watch while washing your face however it is not designed for use underwater Upgraded water resistance for daily use to 5 atmospheres This type of watch is water resistant to moderate exposure to water You may wear the watch while swimmin...

Page 19: ...rosive gases If solvents such as thinner and benzine or substances containing such solvents come in contact with the watch discoloration melting cracking etc may result If the watch comes in contact with mercury used in thermometers the case band or other parts may become discolored 35 34 WARNING Handling of the battery Keep the battery out of the reach of small children If a child swallows the ba...

Page 20: ...nditions the conditions described above However battery life will vary according to the frequency of use of the timer chronograph EL light etc Specifications may be changed without prior notice due to product modification 37 13 SPECIFICATIONS 1 Caliber No C720 2 Type Combination analog digital quartz watch 3 Time accuracy within 20 sec month at a normal temperature of 5 C 41 F to 35 C 95 F 4 Opera...

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