VDO Cyclecomputing A4+ Instruction Manual
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Contents
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Watch out:
old batteries require special disposal
Please read instructions for end-off-life disposal treatment
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CYCLECOMPUTING
Instruction manual
A8
GB
Congratulations on your purchase of a VDO Cycle Computer. To enjoy the full potential of your computer and benefit from all the technical
features, we recommend you thoroughly study this manual. You will find crucial hints for its operation as well as many more tips.
We wish you many enjoyable rides and trips on your bike with your VDO cycle computer.
Please check the packaging before starting the installation to ensure the contents are complete.
1. Button Function
RIGHT BUTTON (
MODE-Button)
In Cycling Mode: Use this button to progress through the ODO, TRP, ATM, AVS,
MXS, CLK screens.
In SET-Mode: Use this key to adjust values within the Set-up screen
LEFT BUTTON (
SET-Button)
Use this button to access the set-up screens for Wheelsize, Clock and Odometer.
In SET-Mode: Selection of digit to be changed
2. Computer-Functions
ACTUAL SPEED (
KMH/MPH)
Actual Speed is permanently shown on the display, up to 120 KMH (75 MPH) with an accura-
cy of 0.1 digits.
SPEED-COMPARISON (st)
Does a comparison of Actual to Average Speed.
Is shown on right side by “Speed-Arrows”
(s) = actual speed higher than average speed
(st) = actual speed same as average speed
(t)= actual speed lower than average speed
TRIP DISTANCE (
TRP)
Shows Trip Distance of actual ride, up to 999. 99 KM or M. At overflow of 999.99 counting
re-starts at 000.00. Values for ATM, AVS and MXS will simultaneously be reset to Zero.
AUTOMATIC TIMER (
ATM)
Shows Ride Time of actual trip. Automatic Start/Stop.
Counts up to 9:59:59 (h:mm:ss)
At overflow of 9:59:59 re-starts counting from 0:00:00.
Simultaneously values for TRP, AVS, MXS will be reset to Zero.
AVERAGE SPEED (
AVS)
Shows Average Speed of actual trip. Value is calculated based on ATM and TRP-data.
MAXIMUM SPEED (
MXS)
Shows Maximum Speed of actual trip, up to 120 KMH (75MPH)
CLOCK (
CLK)
Shows actual time in 24-hour-format.
TOTAL DISTANCE ODOMETER (
ODO)
Shows accumulated Total Trip Distance data of all individual trips. Counts up to 99999 KM
or M. Value is re-settable after change of battery.
SLEEP MODE
To prolong battery life, the A8 will automatically enter „sleep“ mode after 3 minutes of non-
use. Only the Clock is shown.The computer will automatically restart as soon as it receives
input from the speed sensor, or when any button is pressed.
3. Reset of computer
3.1 RESET OF ACTUAL TRIP DATA
To Reset actual trip data TRP, ATM, AVS and MXS press SET plus MODE-button simultaneously for 3 sec.
3.2 RESET OF COMPUTER TO FACTORY-SETTINGS
To Reset the computer to default factory settings, use a pencil and press the “AC”-button on underside of the computer.
ATTENTION: This action will delete all your data and all your settings for wheelsize, clock, odometer will be reset to factory settings.
4. Mounting and Settings
4.1 INSTALLATION OF BATTERY IN COMPUTER
To prolong battery life, the A8 will come without the battery being installed. The VDO A8 needs a battery 3V-Type CR 2032. Batteries are
available at your dealer (VDO-part no.#1013). Battery life time is around 12 months at normal use.
Watch Out: In case of malfunction please check the battery first before you start a warranty complaint.
STEP 1
Remove the battery door with a suitable coin
STEP 2
Place the battery in the battery chamber. PLUS+-pole visible. Be careful when installing the battery
not to damage the battery contact.
STEP 3
3 Reinstall the battery cap, making sure that the rubber O-ring does not get pinched or distorted.
WATCH OUT: If O-ring gets pinched or distorted, this will compromise the unit’s watertight seal.
STEP 4
Tighten the battery door firmly with a suitable coin.
IMPORTANT: During battery replacement all data and all settings will be stored for around 20 Seconds. To save your data,
replace the battery within that 20 seconds, otherwise all settings for Wheelsize, Clock and Odometer need to be re-done.
Tip: Buy replacement battery in time. To save your data and settings replace the battery in time. Before replacing the battery we recommend
to take note of your Wheelsize Setting and Odometer-data.
Watch Out: If for some reason the screen is blank or shows an irregular display after a battery change, press the AC button on the backside of
the computer. This action will delete all data and all settings and requires new settings of Wheelsize, Clock and Odometer.
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Contents
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TRP = TRIP)
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ATM = AUTOMATIC TIMER)
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AVS = AVERAGE SPEED)
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MODE
SET
CLOSE
OPEN
Battery