Button Operation Tone; To Turn The Button Operation Tone On Or Off; Illumination; To Illuminate The Display - Casio 3409 Operation Manual

Operation Guide 3409
f. Alert method for alarm/timer
●
Use D to select the alarm/timer alert method.
Tone alert
: Alert by tone
: Alert by vibration
E-50
●
C nine times to display the button
2
Press
operation tone setting screen.
See "Confi guring Current Time and Date Settings
Manually" (page E-19).
The screen will show either [KEY ] or [MUTE].
●
D to toggle the setting between
3
Press
[KEY ] (ON) and [MUTE] (OFF).
When [MUTE] (OFF) is selected, a Mute indicator is
displayed to indicate that the button operation tone
will not sound.
Mute indicator
E-52

Illumination

You can use the procedure below to illuminate the display for easy reading in the
dark.

To illuminate the display

●
Press B to illuminate the display.
Note
Illumination will turn off automatically if it is on when an alarm alert, incoming call
alert, or any alert operation starts.
◆
Light Use Precautions
Frequent use of the light can shorten battery life.
E-54
●
D to toggle the illumination duration setting between [LT1]
3
Press
(1.5 seconds) and [LT3] (3 seconds).
●
4
To return to the Timekeeping Mode, press
E-56
The following describes how display of the low battery indicator affects watch
operation.
Low Battery indicator The watch enters the Timekeeping Mode.
Bluetooth connection turns off and Mobile Link is
disabled.
Display illumination becomes disabled.
Alert sound and vibration become disabled.
Double-tap operation becomes disabled.
Note
Repeated use of Mobile Link functions, display illumination, tone/vibration alert, or
other functions over a short period can result in a momentary drop in battery voltage.
This can cause temporary display of the low battery indicator and limited availability
of some watch functions.
E-58
Vibration alert
Vibration indicator
A.

Button Operation Tone

You can use the procedure below to turn the tone that sounds when you press a
button on or off.

To turn the button operation tone on or off

●
1
In the Timekeeping Mode, hold down
two seconds until the time zone setting screen
appears.
●
4
To return to the Timekeeping Mode, press
Note
The above procedure affects the button operation tone only. The alarm, hourly
time signal, and time up alarm are not affected.

To specify the illumination duration

●
1
In the Timekeeping Mode, hold down
two seconds until the time zone setting screen
appears.
●
C 10 times to display the illumination
2 Press
duration setting screen.
See "Confi guring Current Time and Date Settings
Manually" (page E-19).
The screen will show either [LT1] or [LT3].

Low Battery Indication

A low battery indicator appears on the display when battery voltage drops below
a certain level. Availability of some functions becomes limited while the low battery
indicator is displayed. If the low battery indicator remains on the display, have the
battery replaced as soon as possible.
Note
For information about battery life guidelines and supported battery types, see the
product specifi cations.
See "Specifi cations" (page E-59).
Specifi cations
±
Accuracy : 15 seconds a month
at normal
temperature
Basic : Hour, minutes, seconds; a.m./p.m. (P); 12/24-hour timekeeping
Functions format; Month, day, day of the week; Full auto calendar (2000 to
2099); Summer time setting
World Time : Current time in 100 cities (35 time zones) + UTC (Universal
Coordinated Time) time display; Summer time setting
Alarms and : Alarms
Hourly Time Daily or one-time alarms: 5
Signal Setting units: Hour, minute
Tone or vibration alert: 10 seconds
Hourly time signal
Beeps or vibrates every hour on the hour
A for about
E-51
A.
E-53
A for about
E-55
E-57
E-59