Operation Manual

Table Of Contents
236
www.sigmasport.com
8 MAINTENANCE AND CLEANING
8.1 CHANGING THE BATTERY
The battery CR2032 (Ref. No. 00342) is used
in the running computer and battery CR2450
(Ref. No. 20316) in the R3 transmitter.
Prerequisite: You have a new battery and the battery
compartment cover tool.
1 Turn the cover of the battery compartment
with the tool counterclockwise till the arrow
points to OPEN. Alternatively, you can also use a
ballpoint pen
2 Remove the cover.
3 Remove the battery.
4 Insert the new battery. The plus sign facing up.
Important: Pay attention to polarity! On some
models there is an insulating film or insulating
sticker on the battery. Always make sure that the
insulation fits back over the battery’s plus pole.
5 Replace the cover. The arrow points to OPEN.
6 Turn the cover of the battery compartment
with the tool clockwise till the arrow points
to ON (to Close in R3 transmitter).
7 Correct time and date.
Important: Dispose of old battery properly
(see section 8.4).