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BATTERY INSTALLATION

The head of the C-500 uses a common 

3032 3v

 lithium button cell battery, and 

the transmitter uses a common 

23A 12v

 battery.  Replacement batteries are 

available at most camera shops and from your Vetta retailer.  Under normal usage 
a battery should last approximately one year.  

NOTE:

 Most problems that occur 

with cycle computers are caused by dead or weak batteries.  If you are having 
problems with your computer's operation, check and replace the battery first.

INSTALLATION OF HEAD UNIT BATTERY

STEP 1

Remove the battery cover from the bottom of the computer using a small flat 
blade screwdriver.

STEP 2

Install the battery into the battery compartment with the positive (+) side of the 
battery facing the compartment door.  Be careful when you are installing the 
battery not to bend any of the battery contacts.

3032 3v Lithium Battery

AUTO CLEAR BUTTON

Press for total reset of unit.
All stored data will be erased.

!

  

CAUTION

  

!

STEP 3

Press the battery cap firmly into place making sure that the rubber o-ring seal 
does not get pinched or distorted as this will compromise the waterproofing of 
the unit.

INSTALLATION OF TRANSMITTER BATTERY

The transmitter should come from the factory with the 

23A 12v

 battery installed.

STEP 1

To replace the battery, first remove the battery cap on the top of the transmitter 
with a coin.  Remove the old battery and dispose of properly.  

NOTE:

 Check 

the inside of the transmitter for corrosion.  If corrosion is visible replace the 
transmitter with a new unit.

STEP 2

Install a new battery in the transmitter battery compartment with the positive 
(+) side facing the opening and reinstall the battery cap.

  

CAUTION

    Make sure that the battery cap is tight to prevent moisture from 

entering the transmitter unit.  An improperly installed battery can damage the 

23A 12v Battery

MAGNET

UP

Summary of Contents for c-500

Page 1: ...kes INTRODUCTION WARNINGS AND CAUTIONS CAUTION Vetta Sports encourages you to ride safely Wear a helmet every time you ride use a front and rear light at night and always keep your eyes on the road ahead of you CAUTION Vetta cycle computers are sophisticated electronic instruments Vetta recommends that this product be installed only by a qualified bicycle retailer Failure to read these instruction...

Page 2: ... ride time time spent actually riding up to 9 59 59 SPEED COMPARATOR or Compares current speed to average speed As you are riding a or a will appear in the upper right hand corner of the display This will indicate whether your current speed is faster or slower than your current average speed This function is automatic requiring no programming and cannot be disabled TRIP ODOMETER Tells you the dist...

Page 3: ... of time This feature is useful at the end of a race allowing you to hold a record of your time distance average speed and maximum speed while you are cooling down While the display is frozen the computer will continue to update and store ride information All information is updated and displayed as soon as the freeze frame memory is turned off ACTIVATE FREEZE FRAME MEMORY In any mode press the upp...

Page 4: ... battery contacts 3032 3v Lithium Battery AUTO CLEAR BUTTON Press for total reset of unit All stored data will be erased CAUTION STEP 3 Press the battery cap firmly into place making sure that the rubber o ring seal does not get pinched or distorted as this will compromise the waterproofing of the unit INSTALLATION OF TRANSMITTER BATTERY The transmitter should come from the factory with the 23A 12...

Page 5: ... to the programming of the unit PROGRAMMING THE HEAD OF THE COMPUTER A B All Vetta cycle computers are capable of being programmed to read out in either miles or kilometers It is also possible to change back and forth between miles and kilometers by simply reentering the setting program and changing your choice of measurements STEP 1 With the computer in the mode press the lower key A for over 2 s...

Page 6: ...r 26 x 2 1 700 x 38c 26 x 2 0 700 x 25c 700 x 28c 700 x 32c 27 x 1 1 4 650 x 20c 700 x 23c 700 x 20c 650 x 23c 2035 2055 2075 2095 2140 2180 1945 1990 2124 2140 2155 2074 2170 2114 2130 TIRE SIZE TIRE SIZE TIRE SIZE CIRC CIRC CIRC WHEEL SIZE CALCULATION If the wheel size of your bike is not listed in the chart follow these simple steps to calculate the calibration number for your bike STEP 1 Measu...

Page 7: ...opriate settings STEP 5 Press the lower key A one final time to enter the wheel size setting into memory and advance the unit back to the screen The Vetta C 500 cycle computer is equipped with a digital clock that displays time in a 12 hour format STEP 1 With the display in the mode press the lower key A for 2 seconds STEP 2 The screen will clear and the hour digits will begin to flash Advance the...

Page 8: ...tter should be facing the spokes and pointing toward the bracket on the handlebars Installation Diagram On some bikes it may be necessary to use the angled spacer that is provided in place of the flat spacer in order to get the transmitter to line up correctly with the head unit STEP 3 Attach the spoke magnet to the wheel and adjust the alignment of the magnet and transmitter so that the magnet pa...

Page 9: ...ut being fully secured in the bracket BE SURE THAT THE HEAD IS FULLY LOCKED IN PLACE IN THE BRACKET BEFORE USING THE UNIT Once you have finished with the installation procedure you are ready to test the unit to make sure that it works STEP 1 Advance the computer to the speedometer mode STEP 2 Pick up the front of the bicycle and spin the front wheel The computer should register speed within 1 2 se...

Page 10: ... be solved by your local Authorized Vetta Dealer please ask them to comply with the following simple steps to assure quick and efficient processing of your claim WARRANTY WARRANTY RETURN AND REPAIR PROCEDURE STEP 1 Fill out the warranty information card within this manual STEP 2 Call the appropriate Vetta Customer Service number listed below for help or to obtain a Return Authorization Number RA N...

Page 11: ...WARRANTY INFORMATION CARD Name Address Phone Fax Number Place of Purchase RA Number Date of Purchase Problem ...

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