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Module No.1602/1665/1818
Press B B B B B to change from mode to mode.
After you perform an operation in any mode, pressing B B B B B returns to the Timekeeping Mode.
The operational procedures for Module 1665,1818 and 1602 are identical. All of the illustrations in this manual show Module 1602.
Timekeeping Mode
[Module 1665]
TIMEKEEPING MODE
Day of the week
PM indicator
Date
Second
Hour
Minute
Hourly time signal on indicator
Mode indicator
Alarm on
indicator
Hour
Minutes
Once you reach the normal Alarm Mode, you have to hold down A A A A A again until the
hour digits start to flash.
3. Press C C C C C to increase the selected digits. Holding down C C C C C changes the number at
high speed.
The format (12-hour and 24-hour) of the alarm time matches the format you select
for normal timekeeping.
When setting the alarm time using the 12-hour format, take care to set the time
correctly as morning or afternoon (PM).
4. After you set the alarm time, press A A A A A to return to the Alarm Mode. At this time the
Daily Alarm is switched on automatically.
To stop the alarm
Press A A A A A to stop the alarm after it starts to sound.
To switch the Daily Alarm and Hourly Time Signal on and off
Press C C C C C while in the Alarm Mode to change the status of the Daily Alarm and Hourly
Time Signal in the following sequence.
Both on
Both off
To test the alarm
Hold down C C C C C while in the Alarm Mode to sound the alarm.
[Module 1818,1602]
In the Timekeeping Mode, press C C C C C to switch be-
tween the 12-hour and 24-hour formats.
Day of the week is displayed as follows.
SU:Sunday
MO:Monday
TU:Tuesday
WE:Wednesday
TH:Thursday
FR:Friday
SA:Saturday
About the backlight
Holding down A A A A A at any time illuminates the dis-
play.
The backlight of this watch employs an electrolu-
minescent (EL) light, which loses its illuminating
power after very long term use.
Frequent use of the backlight shortens the battery
life.
ALARM MODE
When the Daily Alarm is switched on, the alarm
sounds for 20 seconds at the preset time each day.
When the Hourly Time Signal is switched on, the
watch beeps every hour on the hour.
To set the alarm time
1. Hold down A A A A A while in the Alarm Mode until the
hour digits start to flash on the display. The hour
digits flash because they are selected .
2. Press A A A A A to change the selection in the following
sequence.
Hour
Minutes
Normal Alarm Mode
(No digit flashes)
Daily
Hourly Time
Alarm only
Signal only
GENERAL GUIDE
Alarm Mode
Mode Indicator
1/100 second
Minutes
Seconds
(a) Elapsed time measurement
C
C
C
C
C
Start
(b) Split time measurement
C
C
C
C
C
Start
(c) Split time and 1st-2nd place times
C
C
C
C
C
Start
Day of the week
PM indicator
Hour
Minutes
3. While the seconds digits are selected (flashing), press C C C C C to reset the seconds to
"00". If you press C C C C C while the seconds count is in the range of 30 to 59, the
seconds are reset to "00" and 1 is added to the minutes. If the seconds count is in
the range of 00 to 29, the minutes count is unchanged.
4. While any other digits (besides seconds) are selected (flashing), press C C C C C to in-
crease the number. While the day of the week is selected, pressing C C C C C advances
to the next day. Holding down C C C C C changes the current selection at high speed.
5. After you set the time and date, press B B B B B to return to the Timekeeping Mode.
If you do not operate any button for a few minutes while a selection is flashing, the
flashing stops and the watch goes back to the Timekeeping Mode automatically.
Stopwatch Mode
Time Setting Mode
STOPWATCH MODE
The Stopwatch Mode lets you measure elapsed time,
split times, and two finishes. The range of the stop-
watch is 59 minutes, 59.99 seconds.
Split time indicator
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
Stop
Re-start
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
Split
Split release
A
A
A
A
A
C
C
C
C
C
A
A
A
A
A
Split
Stop
First runner
Second runner
finishes.
finishes.
Record time of
first runner.
TIME SETTING MODE
To set the time and date
1. Use B B B B B to enter the Time Setting Mode.
The seconds digits flash because they are select-
Date
ed.
2. Press A A A A A to change the selection in the following
sequence.
Seconds
Hour
Day of
Date
Week
Seconds
A
A
A
A
A
Stop
Clear
A
A
A
A
A
Stop
Clear
A
A
A
A
A
Split release
Clear
Record time of
second runner.
Minutes
Month
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