Operation Guide 2979
2
Features
■ Heart Rate Monitor
Keeps track of your heart rate, exercise intensity, and
exercise time.
Measurement system:
Constant monitoring of electrocardiogram by strap
type electrodes
Transmission method:
Heartbeat detected by the chest strap and sent to the
watch.
■ Stopwatch
100 hours maximum, 1/100 second, lap/split times
■ Lap/split memory
••
••
• Number of lap/split memories: 200 max.
Lap time, split times, lap average heart rate, lap
average intensity
• Exercise data memory:
Total exercise time, exercise time within target heart rate range,
exercise time in excess of target heart rate range, exercise time below
target heart rate range, best lap time, average heart rate, energy
consumed, cumulative exercise time, cumulative energy consumed
■ Timer
Number of timers: 2
Measurement unit: 1/10 second
Measurement range: 100 hours
Setting unit: 30 seconds
Number of repeats: 1 to 99, endless
• Settable number of repeats; single/twin switching
■ World Time
31 cities (29 time zones), summer time ON/OFF
■ Alarms
Three (hour and minute setting, ON/OFF)
Hourly Time Signal (ON/OFF)
■ Display Illumination
For easy reading in the dark
Lap Time and Split Time
A lap time is the time that elapses during a specific portion of the
race, such as a lap around a track, while a split time is the time
spent from the beginning of a race up to a certain point.
Lap 1
Split 1
Split 2
Split 3
Lap 2 Lap 3
StopStart
Lap Time Example
Measuring the lap time for one lap of a track event, car race, etc.
Split Time Example
Measuring the split at the 5 km and 10 km points of a marathon.
Display Illumination
In any mode, press the F button to illuminate the display for easy
reading in the dark.
You can specify 1.5 seconds or 3 seconds as the duration of display
illumination.
Important!
• The light may be difficult to see if you turn it on under bright sunlight.
• Illumination will turn off if any beeper operation (alarm or button
operation tone) is performed while the display is illuminated.
• You may notice a slight sound from the watch while the face is
illuminated. This is the sound of EL panel vibration, and does not
indicate malfunction.
Read this first!
This product is intended for use as an exercise support tool only.
It is not a medical device.
• Never use this product if you are wearing a cardiac pacemaker or any
other type of medical device.
• Do not use this product in the vicinity of anyone who is wearing a
cardiac pacemaker or any other type of medical device.
• Do not wear this product while riding on an aircraft. Doing so creates
the risk of interference with the aircraft’s equipment.
• Do not wear this product while swimming. The water resistance of the
sensor bar does not cover immersion in water. Communication
between the sensor bar and watch is not possible in water.
• Do not use this product if the strap causes skin irritation or any other
abnormality.
• To clean the product, wipe it with a soft, dry cloth, or with a cloth that
has been moistened in weak solution of water and a mild neutral
detergent. Wring out all excess liquid from the cloth before wiping.
Never use thinner, benzene, alcohol, or any other volatile agent to
clean the product.
General Guide
Watch
Button
Button
Button
Button
Button
Button
(Mode Switching)
(Light)
LCD
••
••
• Selecting 12-hour or 24-hour Timekeeping
Each press of the B or E button toggles the timekeeping format
between 12-hour and 24-hour.
Chest Strap
Sensor Bar, Inside Surface
Back
Sensor bar
Sensor pads
Battery
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