Power Supply; Alarms; Illumination - Casio 3271 Operation Manual

Operation Guide 3271
To view the time in another city
While in the World Time Mode, use (eastward) and
the city codes (time zones).
Pressing and at the same time will jump to the UTC time zone.
E-30

Alarms

The Alarm Mode gives you a choice of four one-time
Alarm number
alarms and one snooze alarm.
Also use the Alarm Mode to turn the Hourly Time Signal
( ) on and off.
There are five alarm screens numbered
and
alarm screen indicated by
Signal screen is indicated by
All of the operations in this section are performed in the
Alarm Mode, which you enter by pressing
E-9).
Alarm time
(Hour : Minutes)
E-32
Alarm Operation
The alarm tone sounds at the preset time for 10 seconds, regardless of the mode the
watch is in. In the case of the snooze alarm, the alarm operation is performed a total
of seven times, every five minutes, until you turn the alarm off (page E-35).
Alarm and Hourly Time Signal operations are performed in accordance with the
Timekeeping Mode time.
To stop the alarm tone after it starts to sound, press any button.
Performing any one of the operations below during a 5-minute interval between
snooze alarms cancels the current snooze alarm operation.
Displaying the Timekeeping Mode setting screen (page E-12)
Displaying the setting screen (page E-33)
To test the alarm
In the Alarm Mode, hold down to sound the alarm.
E-34
To turn the Hourly Time Signal on and off
1. In the Alarm Mode, use
Hourly time signal
Signal (
on indicator
2. Press to toggle it on and off.
The Hourly Time Signal on indicator is shown on the
display in all modes while this function is turned on.
E-36
To specify the illumination duration
1. In the Timekeeping Mode, hold down
display contents start to flash. This is the setting screen.
2. Press 10 times until the current illumination duration
setting (
3. Press to toggle the setting between
(approximately 1.5 seconds) and
3 seconds).
4. Press to exit the setting screen.
E-38
(westward) to scroll through
, ,
for the one-time alarm, and a snooze
. The Hourly Time
.
(page
to select the Hourly Time
).
until the
or ) appears.
(approximately
To toggle a city code time between Standard Time and Daylight Saving Time
1. In the World Time Mode, use
city code (time zone) whose Standard Time/Daylight
Saving Time setting you want to change.
2. Hold down
(DST indicator displayed) and Standard Time (DST
indicator not displayed).
The DST indicator is shown on the World Time Mode
screen while Daylight Saving Time is turned on.
DST indicator
Note that the Standard Time/Daylight Saving Time
setting affects only the currently displayed city code.
Other city codes are not affected.
Note that you cannot switch between Standard Time
and Daylight Saving Time while UTC is selected as the
city code.
To set an alarm time
1. In the Alarm Mode, use
screens until the one whose time you want to set is
displayed.
To set a one-time alarm, display alarm screen
To set the snooze alarm, display the
The snooze alarm repeats every five minutes.
2. After you select an alarm, hold down
starts to flash, which indicates the setting screen.
This operation turns on the alarm automatically.
3. Press to move the flashing between the hour and minute settings.
4. While a setting is flashing, use (+) and
With the 12-hour format, set the time correctly as a.m. or p.m. (P indicator).
5. Press to exit the setting screen.
To turn an alarm on and off
1. In the Alarm Mode, use
Alarm on indicator
2. Press to toggle it on and off.
Snooze alarm Turning on a alarm (
indicator ) displays the alarm on indicator on its Alarm Mode
screen.
In all modes, the alarm on indicator is shown for any
alarm that currently is turned on.
The alarm on indicator flashes while the alarm is
sounding.
The snooze alarm indicator flashes while the snooze
alarm is sounding and during the 5-minute intervals
between alarms.
Alarm on/off
: Alarm on
: Alarm off

Illumination

An LED (light-emitting diode) illuminate the display for
easy reading in the dark.
Illumination Precautions
The illumination provided by the light may be hard to see
when viewed under direct sunlight.
Illumination automatically turns off whenever an alarm
sounds.
Frequent use of illumination runs down the battery.
To illuminate the display manually
In any mode, press
You can use the procedure below to select either 1.5 seconds or 3 seconds as the
illumination duration. When you press
1.5 seconds or 3 seconds, depending on the current illumination duration setting.

Power Supply

This watch is equipped with a solar cell and a rechargeable battery that is charged by
the electrical power produced by the solar cell. The illustration shown below shows
how you should position the watch for charging.
Example: Orient the watch so its face is
pointing at a light source.
The illustration shows how to position a
watch with a resin band.
Note that charging efficiency drops when
any part of the solar cell is blocked by
clothing, etc.
You should try to keep the watch outside of
your sleeve as much as possible. Charging
is reduced significantly if the face is
covered only partially.
and to display the
to toggle between Daylight Saving Time
E-31
to scroll through the alarm
, , or .
screen.
until the hour setting of the alarm time
(–) to change it.
E-33
to select an alarm.
, , , or
E-35
to turn on illumination.
, the illumination will remain on for about
E-37
Solar cell
E-39