Operation Guide 5510
E-53
Battery:
One lithium battery (Type: CR1220)
Approximate Battery Life: 3 years on type CR1220
(10 seconds of alarm operation per day, one illumination operation (1.5 seconds)
per day)
Frequent use of the light shortens the battery life.
Specifications are subject to change without notice.
E-52
Memory Capacity: 60 records (used for lap times and split times)
Other: Lap/split numbers
Countdown Timer:
Measuring unit: one second
Input range: one minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat timing
Alarms:
3 Multi-function*alarms (Two one-time alarms; one snooze/one-time alarm);
Hourly Time Signal
*Alarm type: Daily alarm, Date alarm, 1-month alarm, Monthly alarm
Dual Time:
Hour, minutes, seconds, a.m. (A)/p.m. (P)
Other: Daylight Saving Time (summer time)/Standard Time
Illumination:
LED (light-emitting diode); Auto Light Switch; selectable illumination
duration (approximately 1.5 seconds or 3 seconds)
Other:
Button operation tone on/off
E-51
Specifications
Accuracy at normal temperature:
± 30 seconds a month
Digital Timekeeping:
Hour, minutes, seconds, a.m. (A)/ p.m. (P), month, day, day of
the week
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Daylight Saving Time (summer time)/Standard Time
Analog Timekeeping:
Hour, minutes (hand moves every 20 seconds)
Stopwatch:
Measurement Capacity: 99 hours, 59 minutes, 59 seconds
Measurement Units: Depends on range.
Lap Times: 1/100 second from 00:00 00 to 00:59 59.99; 1 second from 1:00 00
to 99:59 59
Split Times: 1/100 second from 00:00 00 to 09:59 59.99; 1 second from 10:00 00
to 99:59 59
Measurement Types: Elapsed time, lap times, split times
E-50
• Static electricity or magnetic force can interfere with proper operation of the auto
light switch. If illumination does not turn on, try moving the watch back to the
starting position (parallel with the ground) and then tilt it back toward you again. If
this does not work, drop your arm all the way down so it hangs at your side, and
then bring it back up again.
• Under certain conditions, illumination may not turn on until about one second after
you turn the face of the watch towards you. This does not necessarily indicate
malfunction of the auto light switch.
• You may notice a very faint clicking sound coming from the watch when it is shaken
back and forth. This sound is caused by mechanical operation of the auto light
switch, and does not indicate a problem with the watch.
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