Casio 5240 Specifications, City Code Table, Page, City, City, City, Alarm, Start, Remedy, Alarm:, Other:, City Code, City Code, City Code, World Time, Stopwatch:

Operation Guide 5240

■Signal reception is being performed successfully, but the time and/or day is wrong.

Possible Cause	Remedy	Page
Your Home City setting is wrong.	Check your Home City setting and	E-27
	correct it, if necessary.	E-34
The watch may have been exposed to
magnetism or strong impact, which has	Adjust the watch’s hand and day	E-68
caused problems with proper hand and	indicator home positions.
day indicator alignment.

World Time■The indicated World Time is wrong.

There is a problem with your Home City settings.

Check your Home City settings.

See “To confi gure Home City settings” (page E-34).

■The indicated World Time is one hour off.

The daylight saving time (summer time) setting for the World Time city is wrong. See “To view the time in another time zone” (page E-54).

Alarm■The alarm does not sound.

ξPower may be low. Expose the watch to light until the x Second Hand starts moving normally, at one-second intervals (page E-14).

ξThe time setting is wrong in terms of a.m. and p.m.

ξThe crown may be pulled out. Push the crown back in.

E-80 E-81

Specifications

Accuracy at normal temperature: ±15 seconds a month (with no signal calibration)

Timekeeping: Hour, minutes (hand moves every 10 seconds), seconds, day Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099 Other: Home City code (can be assigned one of 29 city codes and Coordinated

Universal Time); Daylight Saving Time (summer time) auto switching / Standard time

Time Calibration Signal Reception: Auto receive up to six times a day (5 times a day for the Chinese calibration signal; Remaining auto receives cancelled as soon as one is successful); Manual receive

Receivable Time Calibration Signals:

Mainfl ingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz);

Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fukushima,

Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/Saga, Japan

(Call Sign: 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)

E-82

Thermometer:

Measurement and display range: –10 to 60°C (or 14 to 140°F)

Display unit: 1°C (or 2°F)

Other: Calibration; Manual measurement (button operation)

Temperature Sensor Precision:

±2°C (±4°F) in range of –10 to 60°C (or 14 to 140°F)

World Time: 29 cities (29 time zones) and Coordinated Universal Time Other: Daylight Saving Time (summer time) / Standard Time

Stopwatch: Measuring capacity: 1:59'59.95" Measuring unit: 1/20 (0.05) seconds Measuring mode: Elapsed time Flyback timing

Countdown Timer: Measuring unit: 1 second

Input range: 1 to 60 minutes (1-minute increments) Alarm: Daily alarm

Other: Power Saving; Auto Correction of Hand Home Positions

E-83

Power Supply: Solar panel and one rechargeable battery

Approximate battery operating time: 6 months (no exposure to light after a full charge; 10 seconds beeper; one temperature measurement; one calibration signal receive per day)

City Code Table

E-84 L-1

City Code Table

City Code		City	UTC Offset/	Summer Time Period
			GMT Differential	Summer Time	Summer Time End
				Start
PAGO PAGO	(PPG)	Pago Pago	–11	None	None
HONOLULU	(HNL)	Honolulu	–10
ANCHORAGE	(ANC)	Anchorage	–9
LOS ANGELES (LAX)		Los	–8		2:00 a.m.,
		Angeles		2:00 a.m., second
DENVER	(DEN)	Denver	–7	Sunday in March	fi rst Sunday in
					November
CHICAGO	( C H I )	Chicago	–6
NEW YORK	(NYC)	New York	–5
SANTIAGO	(SCL)	Santiago	–4	Midnight, second	Midnight, second
				Saturday in October	Saturday in March
					Midnight,third
RIO		Rio De	–3	Midnight, third	Sunday in February
		Janeiro		Sunday in October	or Midnight,fourth
					Sunday in February
L-2

City Code		City	UTC Offset/	Summer Time Period
			GMT Differential	Summer Time	Summer Time End
				Start
F. DE NORONHA (FEN)		Fernando	–2
		de Noronha		None	None
PRAIA	( R A I )	Praia	–1
UTC			0
LONDON	(LON)	London		1:00 a.m., last	2:00 a.m., last
				Sunday in March	Sunday in October
PARIS	(PAR)	Paris	+1	2:00 a.m., last	3:00 a.m., last
				Sunday in March	Sunday in October
ATHENS	(ATH)	Athens	+2	3:00 a.m., last	4:00 a.m., last
				Sunday in March	Sunday in October
JEDDAH	(JED)	Jeddah	+3	None	None
				Midnight, March	Midnight,
					September 22
TEHRAN	(THR)	Tehran	+3.5	22 or Midnight,
					or Midnight,
				March 21
					September 21
					L-3

City Code		City	UTC Offset/	Summer Time Period
			GMT Differential	Summer Time	Summer Time End
				Start
DUBAI	(DXB)	Dubai	+4	None	None
KABUL	(KBL)	Kabul	+4.5
KARACHI	( K H I )	Karachi	+5
DELHI	(DEL)	Delhi	+5.5
DHAKA	(DAC)	Dhaka	+6	None	None
YANGON	(RGN)	Yangon	+6.5
BANGKOK	(BKK)	Bangkok	+7
HONG KONG	(HKG)	Hong Kong	+8
TOKYO	(TYO)	Tokyo	+9
ADELAIDE	(ADL)	Adelaide	+9.5	2:00 a.m., fi rst	3:00 a.m., fi rst
SYDNEY	(SYD)	Sydney	+10	Sunday in October	Sunday in April
NOUMEA	(NOU)	Noumea	+11	None	None
				2:00 a.m.,	3:00 a.m., fi rst
WELLINGTON	(WLG)	Wellington	+12	last Sunday in
					Sunday in April
				September

ξBased on data as of December 2010.

ξThe rules governing global times (UTC offset and GMT differential) and summer time are determined by each individual country.

ξThe summer time periods in this table are applicable to specifi c cities. For cities not included in the list, select the list city that is in the same time zone as the desired city and perform STD/DST settings manually.

L-4 L-5