Introduction about Casio 5516 Watch MA1611-EA

The Casio 5516 Watch MA1611-EA is a stylish and functional timepiece that is perfect for everyday wear. This watch boasts a sleek and modern design, making it a great accessory for any outfit. It is equipped with a range of features that make it a practical choice for those who are always on the go. The estimated price of this watch is around $50, and it is now available for purchase.

About This Manual

Depending on the model of your watch, display text appears either as dark figures on a light background, or light figures on a dark background. All examples in this manual are shown using dark figures on a light background.
Button operations are indicated using the letters shown in the illustration.
Note that the product illustrations in this manual are intended for reference only, and so the actual product may appear somewhat different than depicted by an illustration.

Things to check before using the watch

Check the battery power level.
Check the Home City and the daylight saving time (DST) setting. Use the procedure under “To configure Home City settings” (page E-26) to configure your Home City and daylight saving time settings.
Important! Proper World Time Mode data depends on correct Home City, time, and date settings in the Timekeeping Mode. Make sure you configure these settings correctly.
Set the current time.
To set the time: The watch is now ready for use.

Casio Detailed Specifications

The Casio 5516 Watch MA1611-EA features a resin case and band, which are both durable and comfortable to wear. The watch has a mineral glass face that is resistant to scratches and impacts. It has a digital display that is easy to read, even in low light conditions. This watch is also water-resistant up to 100 meters, making it suitable for swimming and snorkeling. Some of the key features of this watch include:

Accuracy at normal temperature: ±15 seconds a month
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)
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)
Alarms: 5 Daily alarms; Hourly Time Signal
Illumination: LED light (LCD), ultraviolet LED light (analog hand area); Selectable illumination duration; Auto Light Switch (Full Auto LED Light operates only in the dark)
Other: Battery power indicator; Power Saving; Button operation tone on/off

Multi-function alarm
Countdown timer
Auto-calendar
12/24 hour time format
Stopwatch

Charging the 5516 Watch MA1611-EA

The face of the watch is a solar panel that generates power from light. The generated power charges a built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed to light.
Charging Guide

Whenever you are not wearing the watch, leave it in a location where it is exposed to light.

casio_5516_watch_ma1611-ea.instructions.png

Best charging performance is achieved by exposing the watch to the strongest light available. When wearing the watch, make sure that its face is not blocked from light by the sleeve of your clothing.
The watch may enter a sleep state (page E-19) if its face is blocked by your sleeve even only partially.

Warning!
Leaving the watch in bright light for charging can cause it to become quite hot. Take care when handling the watch to avoid burn injury. The watch can become particularly hot when exposed to the following conditions for long periods.

On the dashboard of a car parked in direct sunlight
Too close to an incandescent lamp
Under direct sunlight

Important!

Allowing the watch to become very hot can cause the digital displays to black out. The appearance of the LCD should become normal again when the watch returns to a lower temperature.
Turn on the watch’s Power Saving function (page E-19) and keep it in an area normally exposed to bright light when storing it for long periods. This helps to ensure that power does not run down.
Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is blocked from exposure to light can cause power to run down. Expose the watch to bright light whenever possible.

Power Levels

You can get an idea of the watch’s power level by observing the battery power indicator in the lower digital dial.

casio_5516_watch_ma1611-ea._battery_power_indicator.png

Level	Battery Power Indicator	Function Status
1 (H)		All functions enabled.
2 (M)		All functions enabled.
3 (L and LOW)		Illumination and beeper disabled. Except for Timekeeping Mode, all other modes disabled.
4 (CHG)		All functions and display indicators disabled except for timekeeping and display of CHG (charge) in the right digital dial. Hour and minute hands stopped at 12 o'clock.
5		All functions disabled.

The flashing LOW message at Level 3 (L) tells you that battery power is very low, and that exposure to bright light for charging is required as soon as possible.
At Level 5, all functions are disabled and settings return to their initial factory defaults. Once the battery reaches Level 2 (M) after falling to Level 5, reconfigure the current time, date, and other settings.
Display indicators reappear as soon as the battery is charged from Level 5 to Level 2 (M).
Leaving the watch exposed to direct sunlight or some other very strong light source can cause the battery power indicator to show a reading temporarily that is higher than the actual battery level. The correct battery level should be indicated after a few minutes.
The current time and all other settings return to their initial factory defaults whenever battery power drops to Level 5 and when you have the battery replaced.

Using the Stopwatch

The stopwatch measures elapsed time, split times, and two finishes.
To enter the Stopwatch Mode
Use C to select the Stopwatch Mode (STW)

To perform an elapsed time operation

Using the Alarm

You can set five independent daily alarms. When a daily alarm is turned on, an alarm tone will sound for about 10 seconds each day when the time in the Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping Mode. You can also turn on an Hourly Time Signal, which will cause the watch to beep twice every hour on the hour.

To enter the Alarm Mode
Use C to select the Alarm Mode as shown.

The right digital dial will show ALM for about one second and then the indictor for the currently selected alarm (AL1 through AL5, or SIG) will appear.
When you enter the Alarm Mode, the data you were viewing when you last exited the mode appears first.

To set an alarm time

In the Alarm Mode, use D to scroll through the alarm indicators (AL1 to AL5, SIG) in the right digital dial until the one whose time you want to set is displayed.
Hold down A for about two seconds until the alarm time starts to flash. This is the setting mode.
Whenever you enter the setting mode, the analog hands will automatically move to positions that allow easier viewing of the digital dials.
Press C to move the flashing between the hour and minute settings.
While a setting is flashing, use D (+) and B (–) to change it.
When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. (no indicator) or p.m. (PM indicator).
Press A to exit the setting mode.
Exiting a setting mode will normally cause the hands to return to regular timekeeping automatically. However, if you manually move the hands and then enter a setting mode, they will not return to regular timekeeping automatically when you exit the setting mode. In this case, you will need to return the hands to their normal positions manually.

Power Recovery Mode

Performing multiple illumination, beeper, and/or high-speed hand movement operation during a short period may cause all of the battery power indicators (H, M, and L) to start flashing in the lower digital dial. This indicates that the watch is in the power recovery mode. Illumination, alarm, countdown timer alarm, and hourly time signal operations will be disabled until battery power recovers.
Battery power will recover in about 15 minutes. At this time, the battery power indicators (H, M, L) will stop flashing. This indicates that the functions listed above are enabled again.
If all of the battery power indicators (H, M, L) are flashing and the CHG (charge) message also is flashing, it means the battery level is very low. Expose the watch to bright light as soon as possible.
Frequent flashing of all of the battery power indicators (H, M, L) probably means that remaining battery power is low. Leave the watch in bright light to allow it to charge.

Charging Times of Casio 5516 Watch MA1611-EA

Exposure Level (Brightness)	*Daily Operation 1**	Level 5	Level 3	Level 2
Outdoor sunlight (50,000 lux)	8 min.	3 hours	27 hours	8 hours
Window sunlight (10,000 lux)	30 min.	8 hours	100 hours	27 hours
Window sunlight on cloudy day (5,000 lux)	48 min.	12 hours	162 hours	44 hours
Indoor fluorescent lighting (500 lux)	8 hours	177 hours	---	---

Approximate exposure each day to generate power for normal daily operation.
Approximate exposure time (in hours) required to take power up one level.

The above exposure times all are for reference only. Actual exposure times depend on lighting conditions.

Power Saving

Elapsed Time in Dark	Digital Dials	Operation
60 to 70 minutes (display sleep)	Blank	Digital dials are off, but all functions are enabled.
6 or 7 days (function sleep)	Blank	Hour and minute hands stop at 12 o’clock. All functions are disabled, but timekeeping is maintained.

When turned on, Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area where it is dark. The table below shows how watch functions are affected by Power Saving
There actually are two sleep state levels: “display sleep” and “function sleep”.
The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep state.
The watch will not enter a sleep state while it is in the Stopwatch Mode or Countdown Timer Mode.

To recover from the sleep state
Move the watch to a well-lit area or press any button.

Mode Reference Guide

Your watch has “five modes”. The mode you should select depends on what you want to do.

To do this:	Enter this mode:
View the current date in the Home City<br>Configure Home City and daylight saving time (DST) settings<br>Configure time and date settings<br>Switch between 12-hour and 24-hour timekeeping<br>Display an alarm countdown	Timekeeping Mode
View the current time in one of 48 cities (31 time zones) around the globe	World Time Mode
Use the stopwatch to measure elapsed time	Stopwatch Mode
Use the countdown timer	Countdown Timer Mode
Set an alarm time	Alarm Mode

Casio 5516 Watch MA1611-EA Selecting a Mode

The illustration below shows which buttons you need to press to navigate between modes.
To return to the Timekeeping Mode from any other mode, hold down C for at least four seconds.

General Functions

(All Modes)

The functions and operations described in this section can be used in all of the modes.
Auto Return Features

The watch returns to the Timekeeping Mode automatically if you do not perform any button operation for two or three minutes in the Alarm Mode.
If you leave the watch in a setting mode (with flashing digits) for two or three minutes without performing any operation, the watch will exit the setting mode automatically.

Initial Screens
When you enter the World Time or Alarm Mode, the data you were viewing when you last exited the mode appears first.
Scrolling
The B and D buttons are used in the setting mode to scroll through data. In most cases, holding down these buttons during a scroll operation scrolls through the data at high speed.

Timekeeping

Use the Timekeeping Mode to set and view the current time and date.

When viewing a digital dial, you can move the analog hands for an unobstructed view.
Press A to toggle the left digital dial between month/day and hour/minutes.

Configuring Home City Settings

There are two Home City settings: Actually selecting the Home City, and selecting either standard time or daylight saving time (DST).

To configure Home City settings

casio_5516_watch_ma1611-ea.configuring_home_city_settings.png

In the Timekeeping Mode, hold down A for about two seconds until ADJ appears in the right digital dial. When you release A, city code and city name will scroll across the right digital dial. This is the setting mode.
The watch will exit the setting mode automatically if you do not perform any operation for about two or three minutes.
Use D (East) and B (West) to scroll through the city codes in the right digital dial until the one you want to use as your Home City is displayed.
Press C so the DST indicator is flashing in the left digital dial, which indicates the DST setting mode.
Press D to toggle the DST setting between Daylight Saving Time (ON) and Standard Time (OFF) in the right digital dial.
Note that you cannot switch between standard time and daylight saving time (DST) while UTC is selected as your Home City.
After the setting is the way you want, press A to return to the Timekeeping Mode.
- The DST indicator appears to indicate that Daylight Saving Time is turned on.
- Exiting a setting mode will normally cause the hands to return to regular timekeeping automatically. However, if you manually move the hands and then enter a setting mode, they will not return to regular timekeeping automatically when you exit the setting mode. In this case, you will need to return the hands to their normal positions manually.

To change the Daylight Saving Time (summer time) setting

configuring_home_city_settings=-casio_5516_watch_ma1611-ea..png

In the Timekeeping Mode, hold down A for about
- DST indicator two seconds until ADJ appears in the right digital dial.
- When you release A, the city code and city name will scroll across the right digital dial. This is the setting mode.Whenever you enter a setting mode, the analog hands will automatically move to positions that allow easier viewing of the digital dials. This is the setting mode.
Press C to enter the DST setting mode.
Press D to toggle the DST setting between Daylight Saving Time (ON) and Standard Time (OFF).
After the setting is the way you want, press A to return to the Timekeeping Mode.
- The DST indicator appears to indicate that Daylight Saving Time is turned on.
- Exiting a setting mode will normally cause the hands to return to regular timekeeping automatically. However, if you manually move the hands and then enter a setting mode, they will not return to regular timekeeping automatically when you exit the setting mode. In this case, you will need to return the hands to their normal positions manually.

Casio 5516 Description

The Casio 5516 Watch MA1611-EA is a versatile timepiece that is perfect for both casual and formal occasions. Its minimalist design makes it a great choice for those who prefer a subtle and understated look. The watch is lightweight and comfortable to wear, making it a great option for everyday use. The digital display is easy to read, and the buttons are intuitive and responsive. The watch is also easy to set up and use, even for those who are not familiar with digital watches. The alarm and timer functions are particularly useful for those who need to keep track of time during their daily routine.

Power Supply: Solar panel and one rechargeable battery
Approximate battery operating time: 8 months (from full charge to Level 4) under the following conditions:

Watch not exposed to light
Internal timekeeping
Display on 18 hours per day, sleep state 6 hours per day
1 illumination operation (1.5 seconds) per day
10 seconds of alarm operation per day
1 hand movement for easy viewing of the digital dials per day
Frequent use of illumination runs down the battery.

City Code Table

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

Troubleshooting of Casio 5516 Watch MA1611-EA

If you are experiencing any issues with your Casio 5516 Watch MA1611-EA, here are some common problems and solutions:

If the watch is not keeping accurate time, try resetting it to the correct time and date.
If the alarm or timer functions are not working, make sure that they are properly set up and activated.
If the watch is not responding to button presses, try restarting it by removing and reinserting the battery.

Time Setting

The current time setting is off by hours
Your Home City setting may be wrong (page E-26). Check your Home City setting and correct it, if necessary.
The current time setting is off by one hour
You may need to change your Home City’s standard time/daylight saving time (DST) setting. Use the procedure under “To change the current time and date settings” (page E-31) to change the standard time/daylight saving time (DST) setting.
The hands are off
This could indicate that the watch has been exposed to magnetism or strong impact, which has caused problems with proper hand alignment. Adjust the watch’s hand home position alignment (page E-57).
The analog hands are not indicating the correct time
If the HANDS indicator is displayed on the right digital dial, it means that the analog hands have moved for easier viewing of the digital dials. Hold down C for about four seconds to return to the Timekeeping Mode.

World Time Mode

The time for my World Time City is off in the World Time Mode
This could be due to incorrect switching between standard time and daylight saving time. See “To specify standard time or daylight saving time (DST) for a city” (page E-37) for more information.

Charging

The watch does not resume operation after I expose it to light
This can happen after the power level drops to Level 5 (page E-15). Continue exposing the watch to light until the battery power indicator shows H or M.

Pros & Cons

Here are some pros and cons of the Casio 5516 Watch MA1611-EA:

Pros

Sleek and modern design
Durable and comfortable to wear
Easy to read digital display
Range of useful features
Affordable price

Cons

Digital display may be difficult to read in bright sunlight
Limited customization options

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