
AFTER SALES SUPPORT
AUS
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57
Troubleshooting
AUS
Problem
Possible cause
Solutions, tips
Display blank. The GPS watch
is off.
To turn it on,
press the LAP/
RESET key
11
for approx. 5
seconds.
The battery pack
is empty.
Charge the bat-
tery pack.
Contrast too low.
Increase the con-
trast (see “System
setting mode”,
“Contrast”).
Display dark.
GPS watch is
overheated (ex-
posure to sun-
light, excessively
high ambient
temperature).
Let the GPS watch
cool off.
Display very
slow.
Normal at tem-
peratures below
0 °C.
When the tem-
perature rises
above 0 °C again,
the display will
return to normal.