VDO M2.1 WL User Manual
ENGLISH
M2.1 WL
Installation video
Operating video
Settings video
www.vdocyclecomputing.com/service
1
Preface
Congratulations
In choosing a VDO computer, you have opted for high-quality
device with first rate technology.
To optimally use the computer, we recommend that you read
this manual carefully. It contains full operating instructions
and many useful tips.
We hope you enjoy cycling with your VDO computer.
Cycle Parts GmbH
Pack contents
First, please ensure that the contents of this pack are
complete:
M2.1 WL
1 VDO computer, battery separate
1 speed transmitter, battery installed,
rubber shim
1 universal handlebar bracket
1 spoke magnet (clip magnet)
Cable ties for attaching the bracket and the transmitter
1 Instruction manual
Table of contents
Display ................................................................................ 03
Buttons .............................................................................. 03
Functions ........................................................................... 04
Operation while cycling .................................................. 06
Wireless transmission of the speed ............................. 06
Attaching the handlebar bracket .................................. 07
Attaching the speed transmitter .................................. 08
Inserting the computer into the bracket ..................... 09
Testing the wireless transmission ............................... 09
Sleep mode and wireless receiver ............................... 10
Settings .............................................................................. 11
Language ....................................................................... 11
Wheel circumference ..................................................... 12
Unit ................................................................................ 15
Clock.............................................................................. 16
Total distance ................................................................. 19
Total ride time ................................................................ 20
Total calorie burn .......................................................... 22
Resetting trip data after the trip .................................. 23
Battery status indicator ................................................. 24
Replacing the battery in the computer ....................... 24
Replacing the battery in the transmitter .................... 25
Terms of guarantee ......................................................... 26
Troubleshooting ............................................................... 27
Technical specifications ................................................. 27
2
Display
The VDO M2.1 WL has a large, easy-to-read display that can
be divided into three areas.
M2.1 WL
– The top line of the display permanently indicates
the current speed. If the 12-hour clock format has been
selected, “am” or “pm” appears next to the speed.
The same area also shows whether kmh or mph has been
selected for the speed indicator.
On the left of this line are arrows that indicate whether
the current speed is above or below than the average
speed.
– The middle line of the display shows the name of the
selected function in clear text.
– The bottom line of the display shows the value for the
selected function.
TOP
MIDDLE
BOTTOM
Buttons
The VDO M2.1 WL has two buttons
BIKE
In function mode:
– Access functions
– Reset trip data to zero
(press and hold the button)
In setting mode:
– Scroll in the setting menu
– Change the data to be set
SET
In function mode:
– Scroll backwards through the functions
– Open setting mode
(press and hold the button)
In setting mode:
– Open the setting
– Confirm the setting once ready
– Exit setting mode
and return to function mode
3
Functions
The VDO M2.1 WL has the following functions
Current speed
With a wheel circumference of 2,155 mm,
the maximum possible speed is 199 kmh or 124 mph.
Current distance
The current distance counts up to 999.99 km or miles.
If this maximum value is exceeded, the counter restarts the
current distance calculation at zero.
M2.1 WL
Current ride time
The current ride time counts up to 99:59:59 HH:MM:SS.
If this value is exceeded, the ride time counter restarts at
zero.
Average speed
for the current trip
Maximum speed
for the current trip
4
Functions
Current calorie burn
Calorie burn calculated for the current trip.
Current time
(in 24-h or 12-h format)
M2.1 WL
Total distance
(total for all day trips)
The total distance counts up to 99,999 km or miles.
If this value is exceeded, the total distance counter restarts at
zero.
If the unit is switched from miles to km and the conversion
result is greater than 100,000 km, the counter is reset to
zero.
Total ride time
(total for all day trips)
The total ride time counts up to 9,999:59 HHHH:MM.
If this value is exceeded, the total ride time counter restarts
at zero.
24-H format 12-H format
Total calories
displays the total calorie burn for all trips up to 99,999.
If this value is exceeded, the total calorie count restarts at
zero.
5
Operation while cycling
M2.1 WL
While cycling, the display functions can be accessed by
pressing the BIKE button.
Pressing the BIKE button shows the next function on the
display.
By pressing the SET button you can also scroll backwards
through the functions.
Wireless transmission of the speed
SET
BIKE
1x
The VDO M2.1 WL comes with analogue wireless transmission.
The wireless range is approx. 75 cm between the transmitter
on the fork and the computer/receiver on the handlebars.
During attachment, make sure you attach the transmitter to
the left-hand fork leg if you attach the computer to the stem
or on the left of the handlebar.
If you attach the computer to the right of the handlebars, you
can also attach the transmitter to the right-hand fork leg.
Note: LED front lights can interfere with analogue wireless
transmission.
6
Attaching the handlebar bracket
M2.1 WL
You can attach the computer to the right or left of the handlebars or in the centre on the stem. Attach the handlebar
bracket in the corresponding position.
STEP 1
Decide whether you want to attach the computer
to the handlebars or the stem.
STEP 2
Rotate the foot of the handlebar bracket by 90° accordingly.
To do so, undo the screws in the bracket, remove the foot
and rotate it 90° then insert and tighten the screws again.
Attention: do not overtighten the screws.
STEP 3
Guide the cable ties through the slot in the handlebar bracket,
place around the handlebars or the stem and pull (do not pull
tight just yet).
STEP 4
For handlebar attachment: align the computer angle
to achieve optimum readability. Now pull the cable ties tight.
Use clippers to snip off protruding ends.
1
334
°
2
1
4
7
Attaching the speed transmitter
The transmitter can be attached to the fork leg on the right
or left.
Note:
If you have attached the computer to the stem or the
left of the handlebars, the speed transmitter MUST be
attached to the LEFT fork leg.
STEP 1
Place the rubber shim under the transmitter.
Fit the transmitter to the fork side that corresponds to the side
on which you later want to fit the computer to the handlebars
(right or left) using the cable ties supplied (loosely at first,
do not pull tight just yet).
M2.1 WL
ATTENTION: The cross-hatched marking on the lid of
the transmitter‘s battery compartment must point
toward the spokes.
Depending on the available space, the transmitter can be
mounted along the front of the fork, on the inside of the fork,
or the back of the fork.
STEP 2
Place the spoke magnet around an outside spoke. The VDO
logo of the rod-shaped magnet core should point toward the
transmitter. Align the magnet with the cross-hatched sensor
marking on the transmitter at a distance of 1- 5 mm.
STEP 3
Align the transmitter and magnet in their final positions and
fasten them in place:
pull the cable ties tight and push the magnet in firmly.
The transmitter should be folded down at a maximum angle
of 45° to the spokes. If you cannot achieve this angle, move
the transmitter down along the fork leg towards the hub until
you have reduced the angle to less than 45°.
MAGNET
90° °
✔
✘
LEFT
STEM
RIGHT
LEFT
8
Inserting the computer into the handlebar bracket
The VDO twist-click system securely connects the computer
to the handlebar bracket.
M2.1 WL
This occurs as follows:
STEP 1
Place the computer into the bracket in a 10 o’clock position.
STEP 2
Rotate the computer to the right into the 12 o’clock position
and click it into the bracket system. A noticeable resistance
must be overcome to move it into place.
STEP 3
To remove the computer, rotate it to the left (without pushing
or pulling).
Memory aid: Rigid to the Right, Loose to the Left
LOCK
UNLOCK
. LOCK . CLICK
. UNLOCK
Testing the wireless transmission
Once attached, test the wireless transmission.
Do this as follows:
– Insert the computer into the bracket
– Lift and spin the front wheel
– An LED should flash on the transmitter for a few seconds.
Flashing LED: the transmitter is sending a signal
– A speed should now be displayed on the computer.
If no speed is displayed, there can be several reasons for
this. The possible reasons are described in the “Trouble-
shooting” section.
9
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