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ETRTO Wheel size diameter (inches) Wheel size setting (mm)
25-622 700 x 25C 2080
28-622 700 x 28 2101
32-622 700 x 32C 2126
42-622 700 x 40C 2189
47-622 700 x 47C 2220
Wheel sizes on the chart are advisory as wheel size depends on the wheel type and air pressure.
Method 2
Measure the wheel manually for the most accurate result.
Use the valve to mark the point where the wheel touches the ground. Draw a line on the ground to mark
that point. Move your bike forward on a flat surface for one complete rotation. The tire should be
perpendicular to the ground. Draw another line on the ground at the valve to mark a full rotation. Measure
the distance between the two lines.
Subtract 4 mm to account for your weight on the bike to get your wheel circumference. Enter this value in
the training computer.
Other Sport Settings
To view or modify sport profile settings for other sport, select MENU > Settings > Sport profiles > Other
sport 1/ Other sport 2
• Training sounds: Select Off, Soft, Loud or Very loud.
• Heart rate sensor : Select On, Off or Search new.
• GPS: Select On or Off.
• Speed View: Select Kilometers per hour or Minutes per kilometer. If you have chosen imperial unit,
select Miles per hour or Minutes per mile
• Automatic lap: Set On or Off. If you set the automatic lap On, Set automatic lap distance is displayed. Set
the distance in kilometers or miles.
• Show in pre-training mode? Select YES, and Sport shown in pre-training mode is displayed. When you
press START in time mode, the sport will be visible in the list of sports in pre-training mode. Select No
and Sport not shown in pre-training mode is displayed.
• Training view numbering : Select On or Off. If you set the Training view numbering On, the number of the
training view appears for a few seconds when you browse the training views with UP/DOWN.
• Training view: Select 3 rows or 2 rows. The training information will be displayed on three or two rows
according to your selection.
All new sensors must be paired with the training computer before they can be activated.
For more information on pairing a new sensor with the training computer, see New Accessory (page 38).
Heart Rate Settings
To view and change heart rate settings, select MENU > SETTINGS > Heart rate settings .
• ZoneOptimizer: Set On or Off.
• Heart rate view : Select Beats per minute (BPM) or Percent of maximum (% of maximum).
• Heart rate zone lock : Select Heart rate zone lock OFF , or lock one of the zones by selecting Zone 1,
Zone 2, Zone 3, Zone 4 or Zone 5. Zone X locked is displayed.
• Sport zones: Set zone 1, 2, 3, 4 and 5 heart rate limits. For more information on sport zones, see Polar
ENGLISH
Settings 31