Operation Manual

ENG-44
Trouble on operation
Trouble Check Items Remedy
Pressing the LT but-
ton does not turn on
a light.
Check whether
lights up
on the computer screen.
The remaining battery capac-
ity for the computer is low.
Replace it with a new battery
(CR2032).
After replacement, be sure to per-
form the restarting operation (page
11).
No measurement
starts even while
riding.
Check if the auto-mode is off
(
is turned off).
When the auto-mode is off (
is
turned off), press the relevant but-
ton to start/stop the measurement.
For automatic measurement, turn
on the auto-mode (page 35).
The heart rate sensor
(speed sensor) ID
check failed.
The battery for the heart rate sensor
(speed sensor) is possibly depleted.
After replacing the battery with a
new one (CR2032), check the sen-
sor ID again (page 32).
Lap data cannot be
stored.
Have you already completed
99 laps?
Delete data files that contain several
laps from the file view (page 29)
in order to obtain free space for lap
recording.
Is the lap time over 100 hours
(Or is the trip lap distance
over 9999.99 km)?
With the recording range exceeded,
the lap cannot be measured.
Perform the resetting operation
(page 19) for further measure-
ments.
Is it immediately after press-
ing the LAP button?
You cannot record the lap for 5
seconds immediately after pressing
the LAP button.
Abnormal values
appear.
Are there any objects emit-
ting electromagnetic waves
(railway tracks, transmitting
stations for television, Wi-Fi
environment, etc.) nearby?
Keep the unit away from any object
that may be causing interference,
and perform the resetting operation
(page 19).
In menu mode, can-
not change settings.
Is it currently measurement? Only top menu can be viewed during
measurement.
When the auto-mode is turned
on (with
illuminating), it may
enter the measurement mode
due to electromagnetic waves.
Keep the unit away from any object
that may be causing interference
with electromagnetic waves.
Check whether “DATA RESET”
is displayed on the screen.
To change the HR target zone, the
resetting operation is required.
Stop the measurement, and perform
the resetting operation (page 19).
Measurement data
cannot be stored on
the file view.
Has the total number of laps
reached 99?
Delete data files that contain several laps
from the file view (page 29) in order
to obtain free space for lap recording.