VDO Z3 PC - Manual (Page 25)

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to the ground
step 2 Mark this point on the ground with a line (use chalk for
example)
step 3 Push the bike one wheel rotation forward until the valve is
again vertical to the ground.
step 4 Mark this point on the ground as well.
step 5 Measure the distance between the two marks. The result is
your wheel circumference (=roll circumference).
step 6 Enter the wheel circumference as described below into your
VDO computer.
ATTENTION: If you have selected KMH display then you must enter the
wheel circumference in mm. If you have selected MPH display then
enter the wheel circumference in inches. The values listed in table
>>>
P10 are approximate values. These values deviate depending on brand
of tire, tire height and tire tread.
Setting wheelsize:
3 sec.
ç Setting mode LANGUAGE SELECT
∂ ƒ WHEELSIZE SET
‚ WHEELSIZE KMH-DISPLAY or WHEELSIZE MPH-
DISPLAY ( ∂ to change to mph)
‚ WHEELSIZE 1 … SET SIZE ?CONTINUE?
∂ ƒ Set wheel size 1 in mm (keep button depressed for
fast run-through)
‚ WHEELSIZE 1 ?SET OK?
‚ WHEELSIZE 1 SET DONE
Automatic change to
∂ ƒ Set wheel size 2 in mm (keep button depressed for
fast run-through)
‚ WHEELSIZE 2 ?SET OK?
‚ WHEELSIZE 2 SET DONE
Automatic return to operation mode for TRIP DIST. If you do not want to
set wheel size 2 then hold å to return to TRIP DIST operation mode.
Attention: Factory settings for bike 1 = 2155 mm and for bike 2 =
2000 mm. If you do not enter wheel sizes the computer will work with
the factory settings. The values measured in this manner for speed,
distance, etc. can deviate from the actual values.
5.2. CHANGING THE WHEEL SIZE
With wheel size you change the computer from bike 1 (e.g. road bike)
to bike 2 (e.g. mountain bike). The computer now works with the
settings for bike 2.
3 sec.
ç Setting mode LANGUAGE SELECT
∂ ƒ WHEELSIZE CHANGE
‚
∂ ƒ WHEELSIZE 1 or WHEELSIZE 2 ?SET OK?
‚
∂ ƒ Changing the wheel size
‚ WHEELSIZE SET DONE
Automatic return to TRIP DIST
Wheel size set done
Display of the actual wheel size in the center bar of the display, right
bottom (1 or 2)