Acumen HR440 - Manual (Page 9)

TARGET ZONE CALCULATION FORMULA
220 - Your Age = max HR
For a 30 year old person, your
calculations would be as follows:
220 - 30 = 190 Maximum Heart Rate
65% of this number = 123.5
85% of this number = 161.5
8
Start from the Heart Rate/Stopwatch
Mode
1. Press & hold the SET button to enter
the setting mode.
2. Interval Timer (blinking) --Set the min-
utes pressing the MODE or ALARM but-
ton (0-99 min., default is 0). Press the
LAP button to proceed.
3. Target-Trac (blinking) --Set the Goal
Alarm pressing the MODE or ALARM
button (5 min. blocks 0-60, default is 20
min.). Press the LAP button to proceed
to the next item.
4. Exercise Factor (blinking) --Set by
pressing the MODE or ALARM button
(see exercise chart on page 13). Range
1- 20, default is 5). Press the LAP but-
ton to proceed to the next item.
5. Age (blinking) --Set by pressing the
MODE or ALARM button (Range is 7-99,
default is 30). Press the LAP button to
go back around to the Interval Timer or
the SET button to proceed to Calorie
Set-Up.
SETTING TIMERS, CALORIE INFORMATION
& TARGET ZONE
Note: If you want to use the built-in EZ-Setting of 65-85% of
your max, set only your age and skip the next section by press-
ing SET.
AGE
The calculated exercise range for a 30 year old would be a low of 124
and a high of 162 beats per minute. You should never exercise near
your maximum heart rate (max HR) for any period of time.