Casio 5230 Specifications, City Code Table, Page, Page, City, City, City, City, City, City, Code, Code, Code, City, City, Code, Remedy, Remedy, Other:, Alarms:, Stopwatch:

Operation Guide 5230

■Auto Receive is not performed or you cannot perform Manual Receive.

Possible Cause	Remedy	Page
	Auto receive is performed only while the
The watch is not in the Timekeeping	watch is in the Timekeeping Mode or
Mode or World Time Mode, a	World Time Mode. Switch to either of
countdown timer operation is in	these two modes.	E-38
progress, or the hands have been	If a countdown timer operation is in
moved to a position to allow easier	progress, stop it. If the hands have
viewing of the digital dials.	been moved for easier viewing, return
	them to their normal positions.
Your Home City setting is wrong.	Check your Home City setting and	E-42
	correct it, if necessary.
There is not enough power for signal	Expose the watch to light to charge it.	E-12
reception.

■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-42
	correct it, if necessary.
The DST setting may be incorrect.	Change the DST setting to Auto DST.	E-42

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Specifications

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

Timekeeping: Hour, minutes, seconds, p.m. (PM), year, month, day, day of the week, alarm countdown

Time format: 12-hour and 24-hour

Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099

Other: Home City code (can be assigned one of 48 city codes); Standard Time/ Daylight Saving Time (summer time)

Time Calibration Signal Reception: Auto receive 6 times a day (5 times a day for the Chinese calibration signal); Remaining auto receives cancelled as soon as one is successful; Manual receive

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Receivable Time Calibration Signals: Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England (Call Sign: MSF, Frequency: 60.0 kHz); Fort Collins, Colorado, the United States (Call Sign: WWVB, Frequency:

60.0kHz); Fukushima, Japan (Call Sign: JJY, Frequency: 40.0 kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz) ; Shangqiu City, Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)

World Time: 48 cities (31 time zones)

Other: Daylight Saving Time/Standard Time

Stopwatch:

Measuring unit: 1/100 second

Measuring capacity: 59' 59.99"

Measuring modes: Elapsed time, split time, two finishes

Countdown Timer: Measuring unit: 1 second Countdown range: 100 minutes

Countdown start time setting range: 1 to 100 minutes (1-second increments)

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Alarms: 5 Daily alarms; Hourly Time Signal

Illumination: LED; Selectable illumination duration

Other: Battery power indicator; Power Saving; Button operation tone on/off

Power Supply: Solar panel and one rechargeable battery

Approximate battery operating time: Six months (from full charge to Level 4) under the following conditions:

ξWatch not exposed to light

ξInternal timekeeping

ξDisplay on 18 hours per day, sleep state 6 hours per day

ξ1 illumination operation (1.5 seconds) per day

ξ10 seconds of alarm operation per day

ξ4 minutes of signal reception per day

ξ1 hand movement for easy viewing of the digital dials per day

Frequent use of illumination runs down the battery.

City Code Table

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City Code Table
						City	City	UTC Offset/
City	City	UTC Offset/	City	City	UTC Offset/	Code		GMT Differential
Code		GMT Differential	Code		GMT Differential	DXB	Dubai	+4
PPG	Pago Pago	–11	RAI	Praia	–1	KBL	Kabul	+4.5
HNL	Honolulu	–10	UTC			KHI	Karachi	+5
ANC	Anchorage	–9	LIS	Lisbon	0	DEL	Delhi	+5.5
YVR	Vancouver	–8	LON	London		KTM	Kathmandu	+5.75
LAX	Los Angeles		MAD	Madrid		DAC	Dhaka	+6
YEA	Edmonton	–7	PAR	Paris		RGN	Yangon	+6.5
DEN	Denver		ROM	Rome	+1	BKK	Bangkok	+7
MEX	Mexico City	–6	BER	Berlin		SIN	Singapore
CHI	Chicago		STO	Stockholm		HKG	Hong Kong	+8
NYC	New York	–5	ATH	Athens		BJS	Beijing
SCL	Santiago	–4	CAI	Cairo	+2	TPE	Taipei
YHZ	Halifax		JRS	Jerusalem		SEL	Seoul	+9
YYT	St. Johns	–3.5	MOW	Moscow	+3	TYO	Tokyo
RIO	Rio De Janeiro	–3	JED	Jeddah		ADL	Adelaide	+9.5
FEN	Fernando De Noronha	–2	THR	Tehran	+3.5
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City	City	UTC Offset/
Code		GMT Differential
GUM	Guam	+10
SYD	Sydney
NOU	Noumea	+11
WLG	Wellington	+12

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.

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