Citizen Quartz Jnoxxx User Manual

CITIZEN QUARTZ

Racing Chrono

Model No. JNOXXX

Caliber No. C310

• Instruction Manual

CTZ-B6770

This is a combination watch which can conveniently display data while watching races (car, bike, etc.)

Thank you for purchasing a CITIZEN QUARTZ Watch. To ensure correct use, please read these instructions carefully. Please confirm that the CITIZEN International Guarantee Card is included for your possible claim.

A. Five Features

1.Lap time, lap number are displayed.

2.By setting the distance of one lap around a race circuit, the speed is displayed.

3.When the racing ends, the race’s

•Best lap time, the lap number, and speed

•Average lap time and average speed

•Total time and total laps can be displayed.

4.There is a “hand retractor function” that prevents the analog hand from covering parts of the display.

5.The timer can be selected from “analog (hand) display” or “digital display” (You can use both at the same time).

B. Name of Parts

C. Switching the Mode

This watch has the following 4 main functions (modes) can be switched by pressing button M . <Note>

When changing modes, make sure you have pressed button M in properly to change modes.

D. Adjusting the Time and Calendar

1.Set the mode to (Time/Calendar) mode by pressing button M .

2.Pull out button M .

•The second hand will return to the “0” position.

2.• The day of the week will disappear and the seconds will flash in the digital display.

2.• “SET” will appear in the digital display.

* At the time, if the second hand does not return to the “0” position, please refer “Hands standard position” on page 17, and perform operation.

3.Press button A to select the flashing digit you wish to adjust,

4.Adjust the flashing digit of the time with button M.

5.Push back button M to the normal position after completing the time adjustment.

5. • All hands will move to the adjusted time automatically.

5. • The digital display will return to the normal display.

The analogue time and the digital time in this watch are synchronised. If you adjust the digital time, the analogue time is adjusted automatically.

E. Alarm Function

Setting the alarm time

1.Press button M to set the digital mode mark to (ALM) mode.

2.Pull out button M . The hour digit in the digital display will flash for the alarm set time ‘Set’ will appear in the digital display.

3.Press button A to select the digit (hour/minute).

4.Press button C to set the alarm time.

5.Push back button M to the normal position after complete adjustment.

Press any button to stop the alarm sound.

<Note>

The alarm sound may sometimes start and stop. This is because when the watch hands move, the alarm sound is momentarily adjusted.

Switching the alarm ‘ON/ OFF’ with button C .

The alarm time and normal time (12/24 hour system) are synchronised. When

A/P is displayed, make sure AM/PM are set correctly.

F. Timer Function

This timer can be set to the maximum of 60 minutes in minute.

For the timer, by pressing button C you can select between “analogue display” or “digital display”. (You can not use both at the same time).

Timer setting

Both the analogue and digital settings are the same way.

1.Press button M to set the mode mark to (TMR) mode.

2.Pull out button M .

2.• The timer setting time will flash in the digital display.

2.• “SET” will appear in the digital display.

3.Press button C to set the time.

•When using the analogue hands for the timer, the function hand (a small hand on the 12 o’clock direction) will move

according to the timer setting time.

4.Push back the button M

to the normal position.

Using the Timer

1.Start/Stop

•By pressing button A, the timer will start and stop.

2.Reset

•When the timer is stop, press button C to return the timer to the set time.

3.Time up

•Alarm will ring for 5 seconds

•While the alarm sounds, press any button ( M , A , B , C ) to stop.

4.Timer restart

When the timer is timing, press button C to return the timer to set time and the timer will restart timing again.

G. Chronograph Function 1

This chronograph can measure up to 99 hours, 59 minutes, 59 seconds, 9. After that it will stop at 0 hours, 00 minutes, 00 seconds, 000. Measurement time will display in the digital display. The analogue hands will also show “Seconds” “1/10 seconds” hand will display only when the chronograph has been stopped. (While the chronograph is stopped or while checking the lap time) 1/10 second hand will stop at the 0 second position after 1 minute of timing. After that, it will point to the correct 1/10 second time when the chronograph has stopped. The chronograph has stopped. The chronograph will measurement in 1/1000 sec. units up till 60 minutes, and in 1/10 sec. units from 60 minutes on.

Standard measurement

Press button M to set the digital mode mark to the (CHR) mode.

1.Press button A to start timing.

•The chronograph’s number of timing display changes from “0” to “1”.

2.While timing press button A to stop.

“BEST LAP” etc. will appear in the digital display, however it is not required when operating the standard measurement.

3.Press button A again to restart the chronograph from “0 hour, 00 minute, 00.000 sec”.

•The chronograph number of timing display changes from “1” to “2”.

4.In that way with button A it is possible to repeat

the start/stop operation.

4.• The chronograph display gains “1” every time, until it reaches a maximum of “99”. After that it will repeat from “0”.

4.• The chronograph starts from “0 hour, 00 minute, 00.000 sec” every time it is started.

5.Press button C to reset after measurement.

The time and the number of timing will reset to “0”. <Note>

When the alarm sounds, the hands may stop, but they will revert to the correct timing after the alarm sounds stop. The digital display continues timing correctly.

H. Chronograph Function 2 (Racing Chronograph)

Setting the distance of one lap around the race circuit

When using the racing chronograph, in order to calculate the km per hour of the car, the distance of one lap around the race circuit must be input. So before you start timing, set the lap distance.

1.Reset the chronograph and then depressing button A for 2 seconds or more.

•The chronograph will initially start, however after 2 seconds the display will switch to the lap distance setting display.

2.Distance setting

•Setting range is “00.000” km – “99.999” km (1 metre) units.

•Select the digit you wish to to set with buttonA , set the distance with button C .

•Press button A to select “0.001” km digit then by pressing button A again, you can return from distance setting to the reset condition.