Casio 5235 (OC) Operation Manual Download Page 4

Operation Guide 5235 (OC)

E-31

 

The current time setting is off by one hour.

 If you are using the watch in an area where time calibration signal reception is possible, see “To 

 

x

confi gure Home City settings” (page E-19).
 The period when summer time is applied in the location where you are using the watch may be 

 

x

different from the period set for your currently selected Home City. Use the procedure under “To switch 
between standard time and summer time manually” (E-21) to switch from 

AUTO

 to 

STD

 (for standard 

time) or 

DST

 (for summer time).

 

The hands and/or day indicator is off.

This could indicate that the watch has been exposed to magnetism or strong impact, which has caused 
problems with proper hand and day indicator alignment. Adjust the watch’s hand and day indicator home 
position alignment (page E-27).

Charging

 

The watch does not resume operation after I expose it to light.

This can happen after the power level drops to Level 3 (page E-8). Continue exposing the watch to light 
until the 

x

 

Second Hand

 starts moving normally (at one-second intervals).

 The 

x

 

Second Hand

 starts to move at one-second intervals, but then suddenly returns to moving 

at two-second intervals.

The watch probably is not suffi ciently charged yet. Continue keeping it exposed to light.

E-30

Troubleshooting

Hand Movement and Position

 

The 

x

 

Second Hand

 is moving at two-second intervals.

 

All the watch’s hands are stopped at 12 o’clock and none of the buttons work.

Power may be low. Expose the watch to light until the 

x

 

Second Hand

 starts moving normally, at one-

second intervals (page E-8).

 

The hands of the watch suddenly start moving at high speed, even when I do not perform any 
operation.

This could be due to any one of the following causes. In all cases, the hand movement does not indicate 
malfunction, and should stop shortly.

 The watch is recovering from a sleep state (page E-10).

 

x

 The time setting is being adjusted following a successful auto time calibration signal receive operation 

 

x

(page E-11).

 

Hands suddenly stop moving. Button operation also is disabled.

The watch may be in the power recovery mode (page E-9). Do not perform any operation until the hands 
return to their normal positions (in about 15 minutes). The hands should return to their correct positions 
when normal operation returns. To help power recover, leave the watch in a location where it is exposed 
to light.

 

The current time setting is off by hours.

 Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page 

 

x

E-19).

E-29

 Press 

3. 

B

.

 This enters the 

 

x

v

 

Day Indicator

 home position adjustment mode.

 Check the 

4. 

v

 

Day Indicator

 to confi rm that it is 

1

, which is its home position.

 If the 

 

x

1

 is not in the center of the 

v

 

Day Indicator

, rotate the crown to 

center it.
 Rotating the crown three full consecutive turns clockwise will cause the 

 

x

v

 

Day Indicator

 to start changing in a forward direction (increment).

 To stop 

 

x

v

 

Day Indicator

 movement, press any button.

 Push the crown back in to return to regular timekeeping.

5. 

 This will cause the hands to return to their normal positions and resume 

 

x

regular timekeeping. Wait until everything stops moving before performing 
any other operation.

>

E-28

To adjust home positions manually

Pull out the crown.

1. 

 Hold down 

2. 

B

 until the 

x

 

Second Hand

 completes the two-part movement 

described below. Note that you will need to keep 

B

 depressed for at least 

seven seconds.

Part 1:

 

x

  About two seconds after you fi rst hold down 

B

, the 

x

 

Second 

Hand

 should move to 57-second or 3-second position, if the 

Second Hand

 is adjusted correctly.

 If the 

 

x

 

Second Hand

 does not move to 57-second or 3-second position, 

it means that its home position is off and needs adjustment.

Part 2:

 

x

  Next, the 

x

 

Second Hand

 will move to 12 o’clock.

 After the 

 

x

 

Second Hand

 moves to 12 o’clock, release 

B

. When you 

do, home position adjustment of all of the hands (but not the 

v

 

Day 

Indicator

) will start automatically.

 Home position adjustment is complete when all hands are at 12 o’clock.

 

 To exit the home position adjustment operation and return to regular 

 

timekeeping, push the crown back in.

>

@

E-27

Adjusting Home Positions

Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able to 
perform the signal receive operation.

Auto Home Position Adjustment

Auto correction of hand home positions corrects the hand position automatically.

 Auto correction corrects the positions of all hands. For the 

 

x

v

 

Day Indicator

, you must perform the 

manual adjustment procedure under “To adjust home positions manually” (page E-28).

Manual Home Position Adjustment

Perform the procedure in this section if auto home position adjustment is not possible for some reason.

Hand home position adjustment is not required if the time and day settings are correct.

 

x

Note

 Any time after you enter the home position adjustment mode in step 1 of the following procedure, you 

 

x

can return to regular timekeeping by pushing the crown back in. In this case, any adjustments you 
made before the watch returned to regular timekeeping will be applied.
 If you do not perform any operation with the crown for about two minutes after pulling it out, crown 

 

x

operations will become disabled and hands will not move if you rotate the crown. If this happens, push 
the crown back in and then pull it out again.

E-26

 Press 

7. 

B

. This will enter the year setting mode.

 The 

 

x

z

 

Hour Hand

 will move to the number that represents the 

tens digit of the year and the 

c

 

Minute Hand

 will move to the 

number that represents the ones digit. The 

x

 

Second Hand

 will 

move to 12 o’clock and stop there.

 Rotate the crown to adjust the year setting.

8. 

 If you want to change the time setting at this time, press 

 

x

B

 and 

then perform the procedure starting from step 4 under “To change 
the current time setting manually” (page E-23).

 After the settings are the way you want, push the crown back in to 

9. 

return to regular timekeeping.

 This causes timekeeping to resume with the 

 

x

x

 

Second Hand

 

starting from 12 o’clock.

Note

 The watch’s built-in full automatic calendar makes allowances for 

 

x

different month lengths and leap years. Once you set the date, there 
should be no reason to change it except after you have the watch’s 
rechargeable battery replaced or after power drops to Level 3.

+

Setting the year (ones digit)

0

1

2

3

4

9

8

6

5

7

B

Setting the year (tens digit)

00

10

20

30

40

90

80

60

50

70

E-25

To change the current date setting manually

 Pull out the crown.

1. 

 This will cause the 

 

x

x

 

Second Hand

 to move to the city code of 

the currently selected Home City.

 Hold down 

2. 

B

 for about two seconds.

 The 

 

x

x

 

Second Hand

 will indicate whether the current time is 

a.m. (by moving to second 57) or p.m. (by moving to second 
03).

 Press 

3. 

B

 twice. This will enter the date setting mode.

 The 

 

x

v

 

Day Indicator

 will move slightly to indicate the setting 

mode.

 Rotate the crown to adjust the date setting.

4. 

 After the 

5. 

v

 

Day Indicator

 stops moving, press 

B

. This will enter 

the month setting mode.

 The 

 

x

x

 

Second Hand

 will move to the currently selected month.

 Rotate the crown to adjust the month setting.

6. 

@

Dec

Nov

Feb

Mar

Apr

Oct

Sep

Aug

Jan

Jul

May

Jun

Setting the month

>

@

E-24

Home City/DST

Hour/Minute

Hour

Year

Day

Month

B

B

B

B

B

B

 Rotate the crown to adjust the time (hour and minute) setting.

4. 

 Rotating the crown three full consecutive turns clockwise will cause the 

 

x

c

 

Minute Hand

 to start 

moving clockwise. Rotating the crown another three full consecutive turns clockwise will cause the 

c

 

Minute Hand

 to start moving at high speed. To stop hand movement, press any button or rotate 

the crown one full turn counterclockwise.
 When adjusting the setting, check to make sure that the 

 

x

x

 

Second Hand

 correctly indicates an a.m. 

time or p.m. time.
 If you want to change the date setting at this time, press 

 

x

B

 and perform the procedure starting from 

step 3 under “To change the current date setting manually” (page E-25).

 After the settings are the way you want, push the crown back in to return to regular timekeeping.

5. 

 This causes timekeeping to resume with the 

 

x

x

 

Second Hand

 starting from 12 o’clock.

Summary of Contents for 5235 (OC)

Page 1: ...adio controlled timekeeping feature see Radio Controlled Atomic x Timekeeping page E 11 E 3 Things to check before using the watch 1 Observe the movement of the x Second Hand Is the x Second Hand moving smoothly at one second intervals Is the x Second Hand moving at two second intervals or is it stopped completely Go to step 2 The watch is charged For details about charging see Charging the Watch ...

Page 2: ...ll have to adjust the settings manually as required See Configuring Current Time and Date Settings Manually page E 23 for more information This section explains how the watch updates its time settings when the city code selected as the Home City is in Japan North America Europe or China and is one that supports time calibration signal reception If your Home City Code setting is this The watch can ...

Page 3: ... of timekeeping The reference point for UTC is Greenwich England E 19 Configuring Home City Settings The Home City is location where you will normally use the watch You can choose from a selection of city codes that represent 29 cities around the globe To configure Home City settings Note This watch does not have a city code that corresponds to Newfoundland x Pull out the crown 1 This will cause th...

Page 4: ...tment is complete when all hands are at 12 o clock To exit the home position adjustment operation and return to regular timekeeping push the crown back in E 27 Adjusting Home Positions Strong magnetism or impact can cause the hands and or day setting to be off even if the watch is able to perform the signal receive operation Auto Home Position Adjustment Auto correction of hand home positions corr...

Page 5: ... JJY Frequency 60 0 kHz Fort Collins Colorado the United States Call Sign WWVB Frequency 60 0 kHz Shangqiu City Henan Province China Call Sign BPC Frequency 68 5 kHz Other Power Saving Low battery alert Auto Correction of Hand Home Positions Power Supply Solar panel and one rechargeable battery Approximate battery operating time 7 months from full charge to Level 3 under the following conditions H...

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