LAPS: Indicates how many lap times have been stored.

Lap Time, Lp: Indicates the time the lap took.

Lim High: The higher heart rate limit of the target zone.

Lim Low: The lower heart rate limit of the target zone.

Limits: Heart rate limits for target zones.

MAX: Indicates the highest heart rate.

MAX %: Indicates what percentage your current heart rate is of your maximum heart rate.

Mem full: Appears on the display when the memory is full. You can continue your exercise and taking lap times but they won’t be recorded into the file.

MIN: Indicates minimum heart rate of exercise in the File mode.

ms: Millisecond

Online*: Online recording allows you to transfer your heart rate to computer in real time. Place the

*An optional IR Interface is required.

wrist receiver within the reception range, 8"/ 20 cm, of the interface and within range of the transmitter, 3 feet/ 1 meter.

OPTIONS: Indicates the Options mode.

OwnCal: Calculates energy expenditure during exercise in kilocalories. 1 kilocalorie (kcal) = 1000 calories (cal). You can follow how much energy you lose by exercising in one exercise session or in a day, week or even a year. The OwnCal can be used as a dose measure of exercise Ex. in nutrition planning. OwnCal calorie calculation starts when your heart rate reaches 90 bpm or is above 60 % of your maximum heart rate, whichever is smaller. These limits are set to count only exercise calories. The higher the heart rate, the faster the energy expenditure. OwnCal is individually calibrated by your preset weight,

maximal oxygen uptake (VO2max) and maximum heart rate (HRmax). The

most accurate OwnCal is received by entering your clinically measured (in maximal treadmill or bicycle stress

test) VO2max and HRmax into the wrist receiver. Energy expenditure

measurement is most accurate in continuous activities such as cycling and running.

OwnINDEX: Result of Polar Fitness Test and comparable score with maximal oxygen uptake (VO2max in ml/kg/min).

P1-P6, exercise phases: Indicates pre-programmable exercise phases of the profile exercise. Each phase includes adjustable number of interval periods and a recovery period.

Profil: Indicates a preprogrammable exercise profile with six optional phases.

RecoHr, heart-rate-based

recovery: You set the heart rate, which will end your recovery calculation. In the File mode you will see the drop in your heart rate and the recovery duration.

RecoTime, time-based recovery: You set the recovery time in the Options mode. In the File mode you will see the drop in your heart rate and the recovery duration.

Rlx, Relaxation rate: Relaxation rate is most useful when measuring your heart rate at rest or during light daily activities, such as office work. After exercise, Ex., in the following morning, the value can also indicate the state of your physical recovery. A resting heart rate significantly higher or a relaxation rate smaller than normal may be an indication of an incomplete recovery. Mental stress typically increases heart rate and decreases relaxation rate. Relaxation rate measurement is based on the heart rate variability, which indicates your autonomic nervous system's state. The degree of heart rate variability is highly individual and tends to decrease over time.

RR: R-R recording rate measures heart beat intervals, i.e. the time

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Brinkmann S810I user manual RecoHr, heart-rate-based