AFTER SALES SUPPORT
GB
IRE
00800/52323000
IRE
Troubleshooting
GB
56
Problem
Possible cause
Solutions, tips
Speed is not
shown.
GPS reception
insufficient.
Observe the
notes on “Gen-
eral information
about GPS”.
Speed is
shown al-
though not
walking/
cycling.
Heart rate is
not shown.
Connection
between the
GPS watch and
the chest strap
interrupted.
Establish the
Bluetooth®
connection be-
tween the GPS
watch and the
chest strap (see
section “Pair ?
Strap”).
Transmitter unit
battery emp-
ty or inserted
incorrectly.
Check the battery
(see “Changing
the transmitter
unit's battery”).
No conductive
connection with
the skin because
the chest strap is
too dry.
Moisten the
gummed part of
the strap with a
small amount of
water.