Casio 3137 Reference, Stopwatch, Countdown Timer, City Code Table, Button Operation Tone, Scrolling, Initial Screens, World Time

Hourly time signal on indicator

Alarm on indicator

Operation Guide 3137

To turn an alarm on and off

1. In the Alarm Mode, use D to select an alarm.

2. Press Ato toggle it on (the alarm on indicator displayed) and off (the alarm on indicator not displayed).

• Turning on a daily alarm (x1 through x5) displays the

Reference

This section contains more detailed and technical information about watch operation. It also contains important precautions and notes about the various features and functions of this watch.

alarm on indicator on its Alarm Mode screen.

• In all modes, the alarm on indicator is shown for any alarm that is currently turned on.

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use Dto select the Hourly Time Signal (SIG).

2. Press Ato toggle it on (the hourly time signal on indicator displayed) and off (the hourly time signal on indicator not displayed).

• The Hourly Time Signal on indicator is shown on the display in all modes while the Hourly Time Signal is turned on.

Button Operation Tone

Mute indicator

The button operation tone sounds any time you press one of the watch’s buttons. You can turn the button operation tone on or off as desired.

•Even if you turn off the button operation tone, the alarm, Hourly Time Signal, and Countdown Timer Mode alarm all operate normally.

To turn the button operation tone on and off

In any mode (except when a setting screen is on the display), hold down Cfor about three seconds to toggle the button operation tone on (mute indicator not displayed) and off (mute indicator displayed).

Stopwatch

•Holding down Cto turn the button operation tone on or off also causes the watch’s current mode to change.

•The mute indicator is displayed in all modes when the button operation tone is turned off.

1/100 second

Mode indicator

Hours Seconds Minutes

The stopwatch lets you measure elapsed time, split times, and two finishes.

•The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds.

•The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it.

•The stopwatch measurement operation continues even if you exit the Stopwatch Mode.

•Exiting the Stopwatch Mode while a split time is frozen on the display clears the split time and returns to elapsed time measurement.

•All of the operations in this section are performed in the Stopwatch Mode, which you enter by pressing C.

Scrolling

The B and D buttons are used in various modes and setting screens to scroll through data on the display. In most cases, holding down these buttons during a scroll operation scrolls at high speed.

Initial Screens

When you enter the World Time or Alarm Mode, the data you were viewing when you last exited the mode appears first.

World Time

• The seconds count of the World Time is synchronized with the seconds count of the

Timekeeping Mode.

• The current time in all World Time Mode cities is calculated in accordance with the

Greenwich Mean Time (GMT) differential for each city, based on the current Home

City time setting in the Timekeeping Mode.

Elapsed time measurement
Start	Stop	Re-start	Stop	Clear
Split time measurement
Start	Split	Split release	Stop	Clear
	(SPL displayed)
Split time and 1st-2nd place times
Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
	first runner.

Countdown Timer

• The GMT differential is the time difference of the time zone where the city is located

from Greenwich Mean Time.

• GMT differential is calculated by this watch based on Universal Time Coordinated

(UTC) data.

City Code Table

City	City	GMT	Other major cities in same time zone
Code		Differential
PPG	Pago Pago	–11.0
HNL	Honolulu	–10.0	Papeete
ANC	Anchorage	–09.0	Nome
LAX	Los Angeles	–08.0	San Francisco, Las Vegas, Vancouver, Seattle, Dawson City
DEN	Denver	–07.0	El Paso, Edmonton
CHI	Chicago	–06.0	Houston, Dallas/Fort Worth, New Orleans, Mexico City,
			Winnipeg
NYC	New York	–05.0	Montreal, Detroit, Miami, Boston, Panama City, Havana,
			Lima, Bogota
CCS	Caracas	–04.0	La Paz, Santiago, Port Of Spain
YYT	St. Johns	–03.5
RIO	Rio De Janeiro	–03.0	Sao Paulo, Buenos Aires, Brasilia, Montevideo
RAI	Praia	–01.0

Mode indicator

Hours Seconds Minutes

The countdown timer can be set within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.

•The countdown operation continues even if you exit the Countdown Timer Mode.

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

Countdown Timer Mode, which you enter by pressing

C.

To use the countdown timer

Press Dwhile in the Countdown Timer Mode to start the countdown timer.

•When the end of the countdown is reached, the alarm sounds for 10 seconds or until you stop it by pressing any button. The countdown time is reset to its starting value automatically after the alarm stops.

LON	London	+00.0	Dublin, Lisbon, Casablanca, Dakar, Abidjan
PAR	Paris	+01.0	Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg,
			Frankfurt, Vienna, Stockholm
CAI	Cairo	+02.0	Athens, Helsinki, Istanbul, Beirut, Damascus, Cape Town
JRS	Jerusalem
JED	Jeddah	+03.0	Kuwait, Riyadh, Aden, Addis Ababa, Nairobi, Moscow
THR	Tehran	+03.5	Shiraz
DXB	Dubai	+04.0	Abu Dhabi, Muscat
KBL	Kabul	+04.5
KHI	Karachi	+05.0	Male
DEL	Delhi	+05.5	Mumbai, Kolkata, Colombo
DAC	Dhaka	+06.0
RGN	Yangon	+06.5
BKK	Bangkok	+07.0	Jakarta, Phnom Penh, Hanoi, Vientiane
HKG	Hong Kong	+08.0	Singapore, Kuala Lumpur, Beijing, Taipei, Manila, Perth,
			Ulaanbaatar
TYO	Tokyo	+09.0	Seoul, Pyongyang
ADL	Adelaide	+09.5	Darwin
SYD	Sydney	+10.0	Melbourne, Guam, Rabaul

•Press D while a countdown operation is in progress to pause it. Press Dagain to resume the countdown.

•To stop a countdown operation completely, first pause it (by pressing D), and then press A. This returns the countdown time to its starting value.

To set the countdown start time

1. In the Countdown Timer Mode, hold down Auntil the hours of the countdown start time start to flash, which indicates the setting screen.

2. Press Cto move the flashing between the hours and minutes.

3. While a setting is flashing, use D (+) or B (–) to change it.

•To set the starting value of the countdown time to 24 hours, set 0:00.

4.Press Ato exit the setting screen.

NOU	Noumea	+11.0	Port Vila
WLG	Wellington	+12.0	Christchurch, Nadi, Nauru Island

*Based on data as of June 2007.

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