Citizen Nighthawk BJ7000-52E Скачать руководство пользователя

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For correct use within the design limits of the watch, confirm the level of water-
resistance of your watch, as indicated on the dial and case, and consult the table.

I. PRECAUTIONS

CAUTION: Water-resistance performance

There are several types of water-resistant watches, as
shown in the following table.

Minor exposure to water
(washing face, rain, etc.)

Indication

WATER RESIST or

no indication

Dial

Case

(case back)

Specifications

The unit "bar" is roughly equal to 1 atmosphere.

* WATER RESIST(ANT) xx bar may also be indicated as W.R. xx bar.

Examples of use

WR 50 or WATER

RESIST 50

WR 100/200 or

WATER RESIST

100/200

WATER

RESIST(ANT)

WATER

RESIST(ANT) 5 bar or

WATER RESIST(ANT)
WATER RESIST(ANT)

10bar/20 bar or

WATER RESIST(ANT)

Water-resistant to 3

atmospheres

Water-resistant to 5

atmospheres

Water-resistant to

10/ 20 atmospheres

Moderate exposure to
water (washing, kitchen
work, swimming, etc.)

Marine sports (skin
diving)

Scuba diving (with air
tank)

Operation of the crown
with moisture visible

Содержание Nighthawk BJ7000-52E

Страница 1: ...ATCH 8 Insufficient Charge Warning Function 10 Quick Start Function 10 Time Setting Warning Function 11 Overcharge Prevention Function 11 E CARE AND HANDLING DURING CHARGING 12 F REPLACING THE SECONDARY BATTERY 13 G TIME REQUIRED FOR CHARGING 14 H USING THE SLIDE RULE 16 l PRECAUTIONS 28 J SPECIFICATIONS 34 1 English ...

Страница 2: ...used in this watch to store electrical energy This secondary battery is a clean energy battery which doesn t use any toxic substances such as mercury Once fully charged the watch will continue to run for about 6 months without further charging To use this watch comfortably make sure that the watch is always recharged before it stops There is no concern for overcharging this watch Overcharge Preven...

Страница 3: ...n The second hand stops when the crown is pulled out 2 Turn the crown to set the 24 hour hand and minute hand to the current time At this time the movement of the hour hand is linked with the movement of the 24 hour hand 3 Push the crown back in to the normal position The second hand begins to move when the crown is pushed in 4 Pull the crown out to the date correction position 1st click position ...

Страница 4: ...s when the crown is turned to the left counter clockwise In addition since the calendar is linked with the operation of the hour hand it may be necessary to correct the calendar after correcting the hour hand depending on the time to which the hour hand was set 7 C USING AS A DUAL TIME WATCH This watch allows the hour hand only to be corrected independently without stopping the watch It can be use...

Страница 5: ...t If insufficient charge continues Hitch movement Stop The watch will begin to operate soon after it is exposed to light due to Quick Start Function Time setting warning display If insufficiently charged If sufficiently charged and time is set Normal time display Insufficient charge warning display One second interval movement Two second interval movement If sufficiently charged ...

Страница 6: ...oon after it is exposed to light However the time to start may vary according to the brightness of the light W WTime Setting Warning Function If the watch stops subsequent exposure to light allows the Quick Start Function to start again and the second hand moves with a hitch to indicate that the time incorrect In this case quickly recharge the watch and reset the time Otherwise the hitch movement ...

Страница 7: ...y becomes hot such as a dashboard When you charge the watch with an incandescent lamp halogen lamp or other light source that generates heat take a distance about 50cm 20in from the light source to prevent extremely high temperature F REPLACING THE SECONDARY BATTERY Unlike ordinary batteries the secondary battery used in this watch doesn t have to be periodically replaced due to repeated charging ...

Страница 8: ...e day usage The time required for the watch to run for one day with one second interval movement 14 15 Illuminance lux 500 1000 3000 10000 100000 Environment inside an ordinary office Time required 22 hours 11 hours 3 hours 30 minutes 1 hour 14 minutes One day usage 1 hour 30 minutes 45 minutes 15 minutes 5 minutes 2 minutes Empty to full 320 hours 158 hours 53 hours 17 hours 6 hours 60 70cm 24 28...

Страница 9: ... calculations Turning the crown at the 8 00 position allows the slide rule around the dial Outside Scale to be rotated A Navigation Calculator 1 Calculation of time required Question How long does it take an airplane flying at 180 knots to fly a distance of 450 nautical miles Solution Set the 18 mark on the outside scale to the SPEED INDEX Y At this time the point on the inside scale that is align...

Страница 10: ...1 20 80 on the inside scale At this time 18 is aligned with the SPEED INDEX Y on the inside scale and the answer is 180 Kt 18 19 3 Flying distance calculation Question What is the flying distance traveled in 40 minutes at a speed of 210 knots Solution Align the 21 on the outside scale with the SPEED INDEX Y of the inside scale The 40 of the inside scale is now pointing to 14 and the answer is 140 ...

Страница 11: ...e with 30 of the inside scale The SPEED INDEX Y now points to 24 and the answer is 240 gallons per hour 5 Fuel consumption calculation Question How much fuel is consumedin 6 hours at a fuel consumption rate of 250 gallons per hour Solution Align the 25 of the outside scale with the inside scale s SPEED INDEX Y of the inside scale The 6 00 is aligned with 15 and the answer is 1500 gallons ...

Страница 12: ...Y of the inside scale The 55 of the outside scale is now aligned with 2 30 and the answer is 2 hours and 30 minutes 7 Conversion Question How do you convert 30 miles into nautical miles and kilometers Answer Align the 30 on the outside scale with the STAT Y mark on the inside scale At this time 26 nautical miles is aligned at the NAUT Y mark on the inside scale while the answer of 48 2 kilometers ...

Страница 13: ... is aligned with 15 of the inside scale Figure the number of decimal places and the answer is 300 Remember decimal places cannot be read on this scale 2 Division Question 250 20 Solution Align 25 on the outside scale with 20 on the inside scale On the outside scale read the 12 5 mark that is aligned with X 10 on the inside scale figure the number of decimal places and the answer is 12 5 ...

Страница 14: ...on the ratio of the value on the outside scale to the value on the inside scale is 30 20 at all positions on the scales 4 Determining Square Root Question What is the square root of 225 Solution Rotate the scales so that the value on the inside scale corresponding to 22 5 on the outside scale is equal to the value on the outside scale corresponding to X 10 on the inside scale and read off the answ...

Страница 15: ...pecifications The unit bar is roughly equal to 1 atmosphere WATER RESIST ANT xx bar may also be indicated as W R xx bar Examples of use WR 50 or WATER RESIST 50 WR 100 200 or WATER RESIST 100 200 WATER RESIST ANT WATER RESIST ANT 5 bar or WATER RESIST ANT WATER RESIST ANT 10bar 20 bar or WATER RESIST ANT Water resistant to 3 atmospheres Water resistant to 5 atmospheres Water resistant to 10 20 atm...

Страница 16: ...ecome clear within a day immediately take the watch to your dealer or Citizen Service Center for repair Leaving the watch in such a state will allow corrosion to form inside If seawater enters the watch place the watch in a box or plastic bag and immediately take it in for repair Otherwise pressure inside the watch will increase and parts crystal crown buttons etc may come off CAUTION Keep your wa...

Страница 17: ... close to magnetic health equipment such as a magnetic necklace or a magnetic latch of a refrigerator door or handbag clasp or the earphone of a mobile phone If this has occurred move the watch away from the magnet and reset the time Do NOT place the watch close to household appliances that generate static electricity Timekeeping may become inaccurate if the watch is exposed to strong static elect...

Страница 18: ...ature range 10 C 14 F 60 C 140 F 7 Display features Time hour localtime hour minute second 24hour clock Calendar date 8 Additional features Insufficient charge warning Quick start Time setting warning Overcharge prevention 9 Continuous operating time Approx 6 months from full recharge to stop Approx 3 days from two second interval movement to stop 10 Battery Secondary battery Specifications are su...

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