Bedienungsanleitung Casio 4305 (Seite 2 von 4) (Englisch)

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Operation Guide 4304 4305

• Under good reception conditions, signal reception is possible within a radius of

about 2,000 miles (3,000 kilometers) from the Fort Collins (the United States)

transmitter.

• At distances further than about 600 miles (1,000 kilometers) from the Fort Collins

(the United States) transmitter, signal reception may not be possible during certain

times of year or times of day. Radio interferance may also cause problems with

reception.

• Under good reception conditions, signal reception is possible within a radius of

about 1,000 kilometers (600 miles) from the Fukushima and Fukuoka/ Saga (Japan)

transmitter.

• At distances further than about 500 kilometers (310 miles) from the Fukushima and

Fukuoka/ Saga (Japan) transmitter, signal reception may not be possible during

certain times of year or times of day. Radio interferance may also cause problems

with reception.

• See the information under “Signal Reception Troubleshooting” if you experience

problems with time calibration signal reception.

About Auto Receive

The watch receives the time calibration signal automatically up to five times a day.

When any auto receive is successful, the remaining auto receive operations are not

performed. The reception schedule (calibration times) depends on your currently

selected Home Time Zone, and whether standard time or Daylight Saving Time is

selected for your Home Time Zone.

Your Home Time Zone

Auto Receive Start Times

12 3 4 5

GMT 0 Standard Time 1:00 am 2:00 am 3:00 am 4:00 am 5:00 am

Daylight Saving Time 2:00 am 3:00 am 4:00 am 5:00 am Midnight

GMT +1 Standard Time 2:00 am 3:00 am 4:00 am 5:00 am

Daylight Saving Time 3:00 am 4:00 am 5:00 am Midnight

GMT +2 Standard Time 3:00 am 4:00 am 5:00 am Midnight 1:00 am

next day

Daylight Saving Time 4:00 am 5:00 am Midnight 1:00 am 2:00 am

next day next day

GMT +9 Standard Time Midnight 1:00 am 2:00 am 3:00 am 4:00 am

E(GMT –5) Standard Time and Midnight 1:00 am 2:00 am 3:00 am 4:00 am

C(GMT –6) Daylight Saving Time

M(GMT–7)

P(GMT–8)

Midnight

1:00 am

next day

Note

• When a calibration time is reached, the watch will automatically receive the

calibration signal only if it is in either the Timekeeping Mode or Receive Result

Mode. It is not performed if a calibration time is reached while you are configuring

settings.

• Auto receipt of the calibration signal is designed to be performed early in the

morning, while you sleep (provided that the Timekeeping Mode time is set correctly).

Before going to bed for the night, remove the watch from your wrist, and put it in a

location where it can receive the signal easily.

• The watch receives the calibration signal for two to ten minutes everyday when the

time in the Timekeeping Mode reaches each of the calibration times. Do not perform

any button operation within ten minutes before or after any one of the calibration

times. Doing so can interfere with correct calibration.

• Remember that reception of the calibration signal depends on the current time in the

Timekeeping Mode. The receive operation will be performed whenever the display

shows any one of the calibration times, regardless of whether or not the displayed

time is actually the correct time.

Weak

Strong

(Level 0)

(Level 3)

Receiving indicator

About the Receiving Indicator

The receiving indicator shows the strength of the calibration signal being received. For

best reception, be sure to keep the watch in a location where signal strength is

strongest.

The receiving indicator is displayed while an auto or manual receive operation is in

progress.

• Use the receiving indicator as a guide for checking signal strength and for finding the

best location for the watch during signal reception.

To perform manual receive

1. Place the watch on a stable surface so its 6 o’clock side

is facing towards a window.

2. Hold down A for about two seconds until

R0 starts to

flash on the display.

• The second hand will move to 12 o’clock and stay there

while actual reception is in progress.

• The hour and minute hands continue to keep time

normally.

• Time calibration signal reception takes from two to ten

minutes. Take care that you do not perform any button

operations or move the watch during this time.

• When receive is successful, the display shows the time

that receive was successful.

• The watch will enter the Timekeeping Mode if you press

A or if you do not perform any button operation for

about three minutes.

Receiving

Receive successful

• When receive is unsuccessful, the display shows “

xx”.

The watch will enter the Timekeeping Mode without

changing the time setting if you press A or if you do not

perform any button operation for about three minutes.

Receive failed

Note

• To interrupt a receive operation and return to the Timekeeping Mode, press A.

Viewing the Latest Signal Reception Results

You can use the Receive Result Mode to check if signal reception was performed

correctly.

To check the latest signal reception results

Enter the Receive Result Mode.

• When receive is successful, the display shows the time

that receive was successful. When receive is not

successful, the display shows “

xx”.

• To return to the Timekeeping Mode, press A.

• If you adjust the time or date setting manually, The

display shows “

xx”.

Signal Reception Troubleshooting

Check the following points whenever you experience problems with signal reception.

• The watch is not in the Timekeeping

Mode or Receive Result Mode.

• Yo ur current Home Time Zone

setting is not one of the following: 0,

+1, +2, +9, E (GMT–5), C (GMT–6),

M (GMT–7) or P (GMT–8)

• Yo u changed the time setting

manually.

•

You were adjusting the watch settings

when the auto receive start times

were reached.

•

You pressed

while signal receive

was in progress.

Cannot

perform

manual

receive.

Auto receive

is not being

performed

successfully

(“

xx”

displayed).

• Enter the Timekeeping Mode

and try again.

• Select 0, +1, +2, +9, E (GMT

–5), C (GMT–6), M (GMT–7)

or P (GMT–8) as your Home

Time Zone.

• Perform manual signal

receive or wait until the next

auto signal receive operation

is performed.

• Check to make sure the

watch is in a location where it

can receive the signal.

What you should doProblem Probable Cause

• For further information, see “Important!” under “Time Calibration Signal Reception”

and “Radio-controlled Timekeeping Precautions”.

Time setting

is incorrect

following

signal

reception.

• The Home Time Zone setting is not

correct for the area where you are

using the watch.

• The home position of the hands is

off.

• Select the correct Home

Time Zone.

• Enter the Home Position

Adjustment Mode and adjust

the home position.

Adjusting the Home Positions

If the time and date settings are wrong even after the time calibration signal is

received normally, use the following procedure to adjust their home positions.

To adjust the home positions

1. While in the Timekeeping Mode, hold down A and B

for about five seconds.

• The analog hands do not keep time during home

position adjustment.

2. Check the position of the second hand.

• The second hand home position is correct if it is

pointing at 12 o’clock.

• If the second hand is not pointing at 12 o’clock, it

means that its home position is off. If this happens,

press A to move the second hand clockwise in one-

second steps, until it points at 12 o’clock.

• Holding down A for more than two seconds causes

the hands to move at high speed. Pressing A again

stops the hands.

12 o’clock

Correct second hand

home position

3. Press B to advance to hour and minute hand home

position adjustment.

• If current hour and minute hand alignment is correct,

they will both move to 12 o’clock.

4. Check the position of the hour and minute hands.

• If the hour and minute hands are not pointing at 12

o’clock, it means that their home position is off. If this

happens, press A to move the hour and minute

hands clockwise in 20-second steps, until they point

at 12 o’clock.

• Holding down A for more than two seconds causes

the hands to move at high speed. Pressing A again

stops the hands.

5. Pressing B exits the home position adjustment mode

and enters the Timekeeping Mode.

Correct hour

and minute hand

home position

12 o’clock

Timekeeping

Use the Timekeeping Mode to set and view the current

time and date. This section also explains how to set the

current date and time manually.

• If you become confused and lose your way during the

following procedures, simply put the watch down and do

not perform any button operation for about three

minutes. This will cause the watch to enter the

Timekeeping Mode (indicated by normal one-second

movement of the second hand) automatically. After that,

you can try performing the manual setting procedure

again from the beginning.

• All of the operations in this section are performed in the

Timekeeping Mode.

Hour hand

Minute hand

Date

Second hand

Timekeeping

Mode

Hold down B.Press B.

Day of the

Week Language

Auto Receive

MonthDay

Hour

Seconds

GMT Differential

Value

Minutes

DST

Year

To set the time and date manually

1.In the Timekeeping Mode, hold down B for about five

seconds.

• This will cause the second hand to move to 12 o’clock.

•

The hour and minute hands do not move in the setting mode.

2.Press B to cycle through settings in the sequence shown

below.

12 o’clock

Casio 4305 Seite 2

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