Instruction Manual

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2 ASSEMBLING THE SIGMA ROX 8.1 AND ITS ACCESSORIES
Once active, the SIGMA ROX 8.1 is ready for
synchronization with the transmitters – speed,
cadence, and heart rate.
During speed synchronization the speed portion
of the display flashes. Once pairing is complete,
the display stops flashing and the SIGMA
ROX 8.1 shows the current speed.
The cadence transmitter and the chest belt
automatically synchronize at this time. Once
synchronization is complete, the respective
values are shown in the top of the section of
the display after you enter either “Favorite A”
or “Favorite B” menus.
2.5.1 SYNCHRONIZING THE SPEED
There are 2 ways to synchronize speed:
k Begin cycling – the receiver will normally
synchronize with the transmitter after
3 revolutions of the wheel.
k Spin the front wheel until the kmh/mph
display stops flashing.
2.5 SYNCHRONIZATION
Moreover, the ROX 8.1 enables you to start
the synchronization manually.
k You can start the new synchronization by
pressing and holding the lower right button.
“Press Synchro Reset button for
2 seconds” then appears on the display.
2.5.2 SYNCHRONIZING THE CADENCE
There are 2 ways to synchronize cadence:
k Begin cycling – the receiver will normally
synchronize with the transmitter after
3 revolutions of the pedals.
k Move pedals up and down until the current
cadence is displayed.
2.5.3 SYNCHRONIZING THE CHEST BELT
Put the chest belt on.
Move towards the SIGMA ROX 8.1 or climb on
your bike.
Generally the SIGMA ROX 8.1 will synchronize
with the chest belt within 10 seconds.
Your current pulse will appear in the display.