Casio MA1101-EA Dual Time, Backlight, Reference, Specifications, Auto return features, Data and Setting Scrolling, Backlight Precautions

Operation Guide 3237

To measure times with the stopwatch

Elapsed time

Start	Stop	Re-start	Stop	Clear
Split time
Start	Split	Split release	Stop	Clear
	(SPL displayed)
Two Finishes
Start	Split	Stop	Split release	Clear
	First runner	Second runner	Display time of
	finishes.	finishes.	second runner.
	Display time of
E-20	first runner.
E-20

Dual Time

The Dual Time Mode lets you keep track of time in a different time zone.

•In the Dual Time Mode, the seconds count is synchronized with the seconds count of the Timekeeping Mode.

To set the Dual Time

1. Press Cto enter the Dual Time Mode (page E-5).

2. In the Dual Time Mode, hold down A until the hour setting starts to flash, which indicates the setting screen.

3. Press Cto change the selection in the following sequence.

Seconds	Hour	Minutes
Hour : Minutes	4. Press Dto increase the setting.
	5. Press Ato exit the setting screen.

E-21

Backlight

The backlight uses an LED (light-emitting diode) and a light guide panel that cause the entire display to glow for easy reading in the dark.

• See “Backlight Precautions” on page E-24 for other important information about using the backlight.

To turn on the backlight

In any mode, press Bto illuminate the display for about one second.

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.

Auto return features

If you leave a screen with flashing digits for two or three minutes without performing any operation, the watch automatically saves any settings you have made up to that point and exits the setting screen.

Data and Setting Scrolling

The Dbutton is used to scroll through setting screen data on the display. Holding down this button during a scroll operation scrolls through the data at high speed.

E-22	E-23

Backlight Precautions

•The illumination provided by the backlight may be hard to see when viewed under direct sunlight.

•The backlight automatically stops illuminating whenever an alarm sounds.

•Frequent use of the backlight shortens the battery life.

E-24

Specifications

Accuracy at normal temperature: ±30 seconds a month

Timekeeping: Hour, minutes, seconds, p.m. (P), month, day, day of the week Time system: Switchable between 12-hour and 24-hour formats

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

Alarms: 5 Multi-functionalarms (Four one-time alarms; one snooze/one-time alarm); Hourly Time Signal

Alarm type: Daily alarm, Date alarm, 1-month alarm, Monthly alarm

Countdown Timer Measuring unit: 1 second

Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

Other: Auto-repeat function

Stopwatch

Measuring unit: 1/100 of a second

Measuring capacity: 23:59' 59.99''

Measuring modes: Elapsed time, split time, two finishes

E-25

Dual Time: Hour, minutes, seconds, p.m. (P)

Other: Backlight (light-emitting diode)

Battery: One lithium battery (Type: CR2025)

Approximately 10 years on type CR2025 (assuming alarm operation 10 sec./day, and one backlight operation 1.5 sec./day)

E-26