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ENG-20
Before use
Important: When the speed, cadence, and/or heart rate are/is not displayed, possible
causes are as follows.
Speed and cadence are not displayed.
Check items Remedy
Is the Speed and Cadence sensor icon on
?
If icon is off, the wristwatch cannot receive any data. Press the
MODE1 or MODE2 button to cancel the transmission sleep mode
(page 23).
Check whether the distance between the
speed/cadence sensor and the magnet is
too large.
Adjust the position of the speed/cadence sensor and that of the
magnet correctly. (See “Bicycle Installation” on page 10.)
Is the sensor zone of the speed/cadence
sensor aligned the center of the magnet?
Has the power-saving mode been activated,
entering Clock mode?
Press the MENU button to switch to Sports mode.
The display may be delayed depending on
the wireless transmission condition.
Check whether any speed signal is received by spinning the wheel
for a while.
Have you performed the formatting opera-
tion?
The sensor ID synchronized at the factory is initialized by format-
ting. Synchronize the speed sensor ID, according to the Setup
mode “Searching for sensor ID” (page 53).
Heart rate is not displayed.
Check items Remedy
Is the Heart rate sensor icon on ? If icon is off, the wristwatch cannot receive any data. Press
the MODE1 or MODE2 button to cancel the transmission sleep
mode (page 23).
Has the power-saving mode been activated,
entering Clock mode?
Press the MENU button to switch to Sports mode.
Is the heart rate sensor attached securely
to your body?
Adjust the electrode pad with its rubber surface to have good
contact with the body.
Dry skin (particularly in winter) Slightly moisten the electrode pad of the heart rate sensor.
Is the Heart rate sensor being worn cor-
rectly?
To wear the electrode pad correctly, follow the instructions for
wearing the heart rate sensor (page 13).
Have you performed the formatting opera-
tion?
The sensor ID synchronized at the factory is initialized by format-
ting. Synchronize the heart rate sensor ID, according to the
Setup mode “Searching for sensor ID” (page 53).