Tr oub les ho o tin g – Mark Of Fitness MF-180 User Manual
Page 14
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TR OUB LES HO O TIN G
SYMPTOM
CAUSE
REMEDY
Cannot measure.
The reading seems
wrong.
Nothing is displayed.
Displayreturns to clock
when starting a
mesurement.
Can not move to a
setting display.
Recorded data is
erased or over-written.
Recorded data does
not seem right.
The sensor is not properlyattached.
Noise was detected at the beginning of
measurement.
Your hand is cold.
Blood vessels shrink in cold temperatures and
heart rate becomes difficult to detect.
When the circulation of blood is poor, it is difficult
for pulse rate signal to be detected.
The pulse rate signal is weak.
The signal could become weak when hands are
kept down during walking regardless of whether
arms are swung or not. Though it depends on
individual how long it takes for pulse signal to be
weak, it can happen more easily when the
individual is tired.
The sensor is not clean.
This instrument is designed for use on jogging and
walking, and therefore it mayshow incorrect value
when movement of hands is excessive, i.e., during
gymnastic exercise, aerobics and such.
Batteryis exhausted.
Batteryis weak.
Settings, except buzzer, can not be changed while
measurement is in progress.
Recorded data is erased when batteryis removed.
Also,
LAP and SPL records are cleared when
stopwatch is reset.
Calorie consumption is added to the previous
value unless it is cleared even when
measurement is started over.
Counting of time in target zone starts over as
measurement is stopped and started over.
Pulse rate recoveryrecords are reset as the next
recording is started.
Attach the sensor properly.
Staycalm at the beginning of measurement
while signal level is displayed and wait until
pulse rate level (percentage) is displayed.
Warm your hand.
Bend and strech your finger so that blood
circulates well. It will not influence pulse rate
measurement unless it is continued more
than 15 seconds.
Wrap the band tighter so that the signal can
be detected.
Clean the sensor with a soft cloth.
Stop exercise and hold your hand still for
while and the value should return to normal.
Replace the battery.
Replace the battery.
End ongoing measurement first.
Usage of buttons and rules for recorded
data to be reset varydepending on modes
and stages of operation.
Carefullyreview the instruction.
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