Tunturi E420 - Page 5

SET EFFORT LIMITS key a third time you switch back to
basic display. If you go above or below the set upper or lower
limits, the meter beeps until you return within the set effort
limits.
SETTING PULSE LIMITS
Exercise within different pulse ranges affects the body in
different ways. For example, exercise of long duration within
a pulse range that is about 50-60 % of the maximum pulse
burns fat, or helps you lose weight, whereas exercise in a
range that is about 70-80 % of the maximum develops the
heart and respiratory system, and overall endurance, i.e. it
improves your condition. For example, to lose weight, a 50-
year-old man should exercise at a resistance and pedalling
speed that raise his pulse to about 85-105 beats/min.
If you don’t know your own maximum pulse rate you can use
the following formulae as a guideline:
WOMEN: 226 - AGE, MEN: 220 - AGE.
However, it is advisable to make sure by consulting your
doctor.
With the E420 meter you can set both an upper and a lower
pulse limit, which helps you to keep within the desired pulse
range during your workout. By pressing the SET PULSE
LIMITS key you switch from the basic display to the lower
pulse limit setting display (text LO appears on the display).
If no value has been set two dashes (—) appear instead of
numbers on the display. Set the lower value with the arrow
keys from 30 to 240 pulses/min. If necessary you can reset
the value by pressing the RESET key.
By pressing the SET PULSE LIMITS key again you switch
to the upperpulselimitsetting display (text HI appears on the
display). Set the desired upper level in the same way as the
lower level. If no value has been set two dashes (-) appear
again on the display. If necessary you can reset the value
you have set by pressing the RESET key.
By pressing the SET PULSE LIMITS key a third time you
switch back to basic display. If you go above or below the set
upper or lower limits, the meter beeps until you return
within the set pulse limits (by lowering your pedalling speed
or reducing resistance when the upper limit is exceeded and
by raising speed or resistance if you fall below the lower
limit).
N.B. If the pulse reading is 0 there will be no warning beeps
even though you have set a lower limit.
MEASURING PULSE
Pulse measurement starts when measurement is activated
at the first press of a key and remains active not only all the
time that the ear sensor is attached to the ear but also for 30
seconds from the time the meter is switched on, or
correspondingly for 15 seconds after every press of a key.
When the ear sensor is detached from the ear, pulse
measurement continues to be active for 20 seconds. If you
want to continue later, pulse measurement must be
reactivated by pressing a key.
Measure the pulse as follows:
1. F it the ear sensor wire plug into the connecting point on
the bottom of the meter.
2. Attach the ear sensor to the earlobe (Figure A) where
pulse is to be measured.
3. Attach the sensor wire e.g. to the collar with the clip
provided (Figure B). This will prevent moving of the sensor
and insure a more accurate reading of the pulse. Make sure
also that the wire between the earlobe and the clip is not too
long or short so that the sensor will stay firmly in place.
4. Press the PULSE key on the meter and the display will
start to show your pulse. The heart symbol beside the pulse
value flashes in time with the users heartbeat.
N.B. The shape of the ear sensor designed by Tunturi
makes it possible also to measure pulse on inside surface
of the ear (Figure C) if, for example, circulation is poor in the
earlobe, the earlobe is too small or cartilaginous as a result
of piercing.
NOTE WHEN MEASURING YOUR PULSE...
If the sensor does not immediately start measuring your
pulse, or if the earlobe is cold, rub the earlobe with the
fingers to speed up circulation. Physiological differences
between different people may also cause disturbances in
pulse measurement. In these cases, try measuring on the
inside surface of the ear or on the tip of your finger.
If measuring disturbances appear while pedalling, test the
functioning of the sensor while stationary. Strong,
unintentional swaying while pedalling may also disturb
measurement. If pulse values rise above 150 beats/min.,
earlobe measurement may be affected by the speeding up
of circulation.
Sometimes a strong light source, e.g. a fluorescent tube, in
the immediate vicinity of the user may cause disturbances
in pulse measurement. In this case, test the functioning of
the sensor by turning the ear sensor the other way
round on the earlobe. Pulse reading can also be affected,
if the battery power of the meter is too low.
Remember to clean the ear sensor. Clean the ear sensor
after use, for example, with mild soapy water. Do not use
solvents.
More reliable pulse measurement is achieved with a telemetric
device, in which the electrodes of the transmitter fastened
to the chest transmit the pulses from the heart to the meter
by means of an electromagnetic field.
The E420has a built in pulse receiver which is compatible
with a POLAR telemetric pulse transmitter, sold as an
optional extra. If you want to measure your pulse this way
during your workout, moisten the grooved electrodes on the
transmitter belt with saliva or water. Fasten the transmitter
just below the chest with the elastic belt, firmly enough so
that the electrodes remain in contact with the skin while
pedalling, but not so tight that normal breathing is prevented.
N.B. If the electrode surfaces are not moist, the pulse
reading will not appear on the display. If the electrodes
are dry, they must be moistened again. Switch the meter on
by pressing any key on the meter. The transmitter automa¬
tically transmits the pulse reading to the meter up to a
distance of about 1 m.