Citizen H461 Instruction Manual Download Page 1

2

W

This watch is a radio wave watch that 

W

receives the standard time radio wave

transmitted in Germany.  

This radio wave watch is equipped with a regular automatic reception
function that sets the time and date by automatically receiving radio
waves twice a day at 3:00 AM and 4:00 AM, and a free reception
function that allows the time to be set arbitrarily by receiving radio
waves.  A time difference can also be set in 1 hour units based on
German standard time.  

3

English

The design may differ according to the model.

Hour hand

Button (B)

Minute hand

H,M,L:

Reception level/

Reception result

Second hand

No: Reception result

SET:

Indicated when a

time difference has

been set

±

0:

Indicated when

no time

difference has

been set

Button (A)

Crown

Shorter end of

second hand

RX:Reception standby

(start of radio wave reception)

Crown for turning 

the outer scale

L

This watch indicates the reception level and reception result with the shorter end of the second hand.

Summary of Contents for H461

Page 1: ...o waves A time difference can also be set in 1 hour units based on German standard time 3 English The design may differ according to the model Hour hand Button B Minute hand H M L Reception level Rece...

Page 2: ...ransmitted in Germany is received after setting the time difference by another method the time will return to German standard time WPlease use this watch afterW charging sufficiently by placing in lig...

Page 3: ...a reception result H M L Perform radio wave reception by referring to Free Reception described in the section on Important Points Regarding Radio Wave Reception The standard time radio wave has been...

Page 4: ...ar Automatic Reception The watch sets the time and date by automatically receiving radio waves at the predetermined times of 3 00 AM and 4 00 AM each day Confirmation of Reception Check the reception...

Page 5: ...placing the watch in the light and then perform Free Reception to correctly set the time and date Refer to 7 A Power Save Function for information on the Power Save function 10 Reception Procedure 1...

Page 6: ...Function Power Save Canceling Power Save B Insufficient Charge Warning Function C Overcharging Prevention Function 8 General Reference for Charging Times of Solar Powered Watches 52 CONTENTS 1 Featur...

Page 7: ...io wave watch provided with a photoelectric power generation function that converts light energy into electrical energy to drive the watch It is also equipped with a power save function that reduces p...

Page 8: ...facilitates reception of radio waves such as in front of a window Do not move the watch during reception Radio waves may be hard to receive due to blockage by metallic objects or the environment When...

Page 9: ...the shorter end of the second hand moves from the RX position to H M or L indicating that reception is in progress 18 3 Receiving Radio Waves In addition to the most commonly used Regular Automatic R...

Page 10: ...ally once the watch has been sufficiently charged Note Before using the watch check the reception result If radio waves have not been received properly perform Free Reception to properly receive radio...

Page 11: ...on result and the shorter end of the second hand begins one second interval movement When reception has failed The watch returns to the time resulting from adding the amount of time required for recep...

Page 12: ...ion H M L 42 seconds position 39 seconds position 36 seconds position When radio wave reception level is high When radio wave reception level is moderate When radio wave reception level is low When ra...

Page 13: ...by turning the crown to the left When finished operating the crown turn the crown to the right while pushing in after having returned it to the normal position and tighten securely After having manua...

Page 14: ...lution while moving backward in the counter clockwise direction and the minute hand moves back by one minute Turning the crown continuously by two clicks or more causes the second hand and minute hand...

Page 15: ...or minute hand cannot be corrected independently Since the hour hand also moves in coordination with the minute hand the hour hand can be set by continuously moving the second hand and minute hand In...

Page 16: ...Month January The January zone is between 1 00 and 2 00 February The February zone is between 2 00 and 3 00 December The December zone is between 12 00 and 1 00 V Reading the Year Leap year 1st gradu...

Page 17: ...a leap year Align the second hand at the 0 seconds position The area between 12 00 and 1 00 is the December zone The first graduation of a month zone is a leap year In the case of April in the third...

Page 18: ...around 10 00 PM and 3 00 AM 36 When the crown is turned continuously to the left the hour hand moves continuously in the backward counter clockwise direction When the hour hand makes two revolutions...

Page 19: ...cally returns to the normal display if the crown has not been operated for 10 seconds after pressing button B or 10 seconds after correcting the time difference 38 5 Time Difference Correction Functio...

Page 20: ...left to turn back the hour hand by one hour Once a time difference has been set the shorter end of the second hand moves to the SET position 4 After setting the time difference press button B once Th...

Page 21: ...ur and when turned one click to the left the hour hand turns backward counter clockwise by one hour The date setting changes if the hour hand is moved in the same direction as when the time difference...

Page 22: ...cover the watch and prevent it from being exposed to light resulting in the watch becoming insufficiently charged During the winter months in particular it is recommended to charge the watch by expos...

Page 23: ...y charged due to not exposing the dial solar cell to light 1 If the watch has stopped as a result of being insufficiently charged a minimum of 30 minutes are required until recovery automatic receptio...

Page 24: ...umed by exposing the solar cell to light When the power save function is canceled each hand rapidly returns to the current time by moving in the clockwise or counter clockwise direction and the watch...

Page 25: ...ient Charge Warning Function Second hand moves at two second intervals When the capacity of the secondary battery becomes low as a result of not exposing the solar cell to light the second hand change...

Page 26: ...time from the stopped state to recovery automatic reception Charging time to fully charge Charging time for 1 day of operation Charging time to fully charge Time required for recharging the watch from...

Page 27: ...ery is replaced always make sure to use the specified secondary battery Replacing the Secondary Battery Unlike ordinary silver batterys the secondary battery used in this watch does not have to be per...

Page 28: ...osition 0 position 12 00 position which serves as the reference for all watch functions has shifted check the reference position of each hand using the procedure described below Setting the Reference...

Page 29: ...inute hand at 00 minutes 00 seconds Turning the crown continuously by two clicks or more causes the second hand and minute hand to move continuously Turn the crown to the left or right to interrupt co...

Page 30: ...evolutions the date changes by one day Continuously advance the hour hand until the date is displayed between 31 and 1 Turn the crown to the left or right to interrupt continuous movement of the hour...

Page 31: ...on when the crown is pushed in from the second position to the first position since this will end setting of the reference position causing the hands to move normally it will not be possible to set th...

Page 32: ...rter end of the second hand points to a reception level to find the location at which radio waves are received easily Refer to the sec tions entitled 2 A For Good Recep tion and Locations where Recep...

Page 33: ...2 hours and 30 minutes 66 13 Using the Slide Rule Flying distance and other navigation calculations as well as general calculations can be performed using the slide rule located around the outside of...

Page 34: ...the inside scale is now pointing to 14 and the answer is 140 nautical miles 68 2 Speed Ground Speed Calculation Question What is the speed ground speed of an airplane when it takes 1 hour and 20 minut...

Page 35: ...scale s SPEED INDEX Y of the inside scale The 6 00 is aligned with 15 and the answer is 1500 gallons 70 4 Fuel consumption rate calculation Question If 120 gallons of fuel are consumed in 30 minutes f...

Page 36: ...ale while the answer of 48 2 kilometers is aligned at the kilometers on the inside scale 72 6 Maximum flying hours Question With a fuel consumption rate of 220 gallons per hour and a fuel supply of 55...

Page 37: ...the number of decimal places and the answer is 12 5 74 B General calculation functions 1 Multiplication Question 20 M 15 Solution Align 20 on the outside scale with X 10 on the inside scale and read...

Page 38: ...sponding to X 10 on the inside scale and read off the answer of 15 at that location 76 3 Reading Ratios Question 30 20 60 x Solution Align 30 on the outside scale with 20 on the inside scale At this t...

Page 39: ...IST 100 200 WATER RESIST ANT WATER RESIST ANT 5 bar or WATER RESIST ANT WATER RESIST ANT 10 bar 20 bar or WATER RESIST ANT Water resistant to 3 atmospheres Water resistant to 5 atmospheres Water resis...

Page 40: ...inside of the crystal is fogged up and does not become 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 c...

Page 41: ...the specified range may result in deterioration of functions or even stoppage of the watch Do NOT use the watch in places where it is exposed to high temperature such as in a sauna Doing so may result...

Page 42: ...e reception recovery automatic reception Reception status display function Reception result confirmation function Reception level display function Time difference setting function Solar power generati...

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