RT55HD MV3 (En.Fr.De.Es)-1.ai
Contents
1. Attach Mounting Bracket aK Head Unit Note Be sure to leave enough epi slack in the wire to accommodate AVE SA cap LO the movement of fork and handlebars Tighten mounting Locking Locking bracket as needed See Fig 1 Tab Tab Slide main unit into bracket as shown left until it clicks into position Remove by pressing in the two locking tabs as shown Secure wire with tape supplied and by winding it around cables lt t _ UNLOCK Wired Mounting Bracket INSTALLATION TESTS Once installation is complete the computer should be tested to make sure it is working properly Step 1 Advance the computer to the SPD screen mode using Button 2 Step 2 Pick up the front of the bicycle and spin the front wheel The computer should display a speed reading within 2 3 seconds If there is no speed reading check the alignment and spacing between the magnet and sensor Make sure that the head unit is completely locked into position and the handlebar mount is not over tightened If this check does not solve the problem talk to your Vetta Retailer or connect to www vetta com IMPORTANT Following the installation tests above make sure that the spoke magnet locking screw and all zip ties are properly tightened CAUTION Do not over tighten TROUBLE SHOOTING Current speed reading is erratic or does not appear Check the alignment of the spoke magnet and sensor and the distance between the two components Realign t2. Button 1 to select and advance Range 0050 2999mm TIRE SIZE circ TIRE SIZE circ TIRE SIZE circ 700c x 38mm 2036 26 x 1 5 700c x 32mm 1953 27 x 1 1 8 26 x 1 0 700c x 28mm 24 x 1 9 1 95 1916 26 x 2 25 20 x 1 1 4 700c x 23mm 26 x 2 1 16 x 2 0 1253 700c Tubular 26 x 1 9 1 95 1206 If your wheel size is not on the chart or if you want a more precise calibration wheel circumference may be calculated as follows Mark the tire and a spot on the floor Roll the wheel forward one complete revolution until the tire mark touches the floor again and mark that spot Measure the distance between the marks on the floor in millimeters and enter the result into the computer 1 inch 25 4mm SET ODOMETER Press Button 2 to advance digits to previous mileage reading after battery change Press Button 1 to select and advance to next digit After final selection computer will exit Setup and enter SPD CLK screen mode Maximum setting 99999 PRIMARY FUNCTIONS SPD 2 one LG te Nt ag Speed is shown at all times on upper display It is accurate to 0 1 M hr or KM hr and the maximum reading is 139 9 M hr or 199 9 KM hr Time is displayed in user selected 12 or 24 hour formats To change the CLK format time or service time interval press and hold Buttons 1 and 2 simultaneously for 2 seconds in the SPD CLK screen mode until 12 24 hour format digits flash ara mL
3. bee 0 Cho Ur Mihr pa ie AL AA The odometer displays distance to 99999 Miles or Kilometers 1 0 mile km User selectable ODO setting in Setup mode Note Odometer units initialized during Setup To change units in SPD ODO screen mode press and hold Buttons 1 and 2 simultaneously for 2 seconds until M hr begins to flash Displays trip distance of current ride to a maximum of 999 9 miles or kilometers 0 1 mile km To reset trip distance DST MAX AVG RT to zero in normal operation hold both buttons simultaneously for two seconds in SPD DST screen mode Displays actual cumulative ride time to 9 59 59 Reset to zero manually by pressing and holding Buttons 1 and 2 simultaneously for two seconds in the SPD DST screen mode Average Speed is displayed in the SPD AVG screen mode and reads to within 0 1 miles or kilometers per hour Reset to zero manually by pressing and holding Buttons 1 and 2 simultaneously for two seconds in the SPD DST screen mode Maximum Speed is displayed in the SPD MAX screen mode and reads to within 0 1 miles or kilometers per hour Reset to zero manually by pressing and holding Buttons 1 and 2 simultaneously for two seconds in the SPD DST screen mode Speed Comparator Arrow symbols indicate if current speed is slower VW or faster than current average speed a e Service Timer Blinking wrench icon alerts rider when scheduled maintenance is required for suspension shocks
4. chains or other components Elapsed riding time and current Service Timer setting can be viewed on upper and lower displays in Setup mode To view or change Service Timer interval CLK format and time setting press and hold Buttons 1 and 2 for 2 seconds in the SPD CLK screen mode until 12 24 hour format digits flash To reset ride time to 0 press Button 2 when elapsed time digits are flashing during Setup To disable Service Timer enter 0 hours as Service Time Interval in Setup SPECIAL FEATURES SLEEP MODE To conserve battery life computer enters Sleep Mode after 5 minutes without input from buttons or speed sensor and displays the time Computer exits Sleep Mode and returns to screen last displayed with input from buttons or wheel FREEZE FRAME MEMORY Rider can freeze Distance Ride Time Average Speed and Maximum Speed readings at any time by pressing Button 1 for two seconds while in the SPD DST or SPD RT screen modes Display flashes to indicate it has been frozen Saved data can be scrolled and reviewed by pressing Button 2 Press Button 1 to return to DST or RT screens ALL CLEAR RESET All Clear Reset Remove battery and reinstall When you remove the battery all data and all time and odometer settings will be cleared When battery is reinstalled computer will automatically enter the Setup program INSTALLATION PROCEDURES SPEED SENSOR amp MAGNET Step 1 Use the zip tie supplied to hold loosely th
5. is not responsible for loss or additional damages while in transit to ACUMEN INC 5 Clearly mark the RA on the outside of the return packaging All items without an RA will be refused and returned to the return address on the package The Company shall not be held responsible to replace items with new items for greater than the amount of the original item purchase price This limited warranty does provide the original owner with certain legal rights and recourse The original owner may possess other rights or recourse depending on the state or country Please check the web to help answer any question and service manual ACUMEN INC CUSTOMER SERVICE CENTERS Acumen Inc 101A Executive Dr Suite 100 Sterling VA 20166 USA Acumen Europe BV Splijtoakweg 117 1333 HJ Almere The Netherlands Email customerservice vetta com Website www vetta com
6. Acumen Inc www vetta com 2006All Rights Reserved RYE SSS og T ENGLISH WARNINGS amp CAUTIONS e Vetta cycle computers are sophisticated electronic instruments Vetta recommends that this product be installed only by a qualified bicycle retailer Failure to read these instructions and or improper installation of this device may void the warranty If in doubt about any aspect of the installation or operation of this product consult your local bicycle retailer for clarification e The head unit is water resistant and sealed to withstand wet weather conditions However do not deliberately place it in water e Avoid leaving the head unit exposed to extremely hot weather conditions e Vetta encourages you to ride safely Wear a helmet every time you ride use front and rear lights at night and always keep your eyes on the road ahead of you HEAD UNIT FRONT Upper Display Speed Speed Comparator Icon Service Timer Icon Speed Distance Units RPM Indicator Lower Display Function Icons Om7moownp p 1 Set Select Button Left 2 Mode Advance Button Right A Contact Points B Battery Compartment C Battery Cap COMPONENT ILLUSTRATIONS Head Unit Battery CR2032 3V Wired Mount with Heavy Duty Harness Speed Sensor Spoke Magnet Spacer Mounting Bracket Pad Mounting Bracket Pad Riser Handle Wire Securing Tape Zip Ties OOnN OAR WDND MAIN UNIT SETUP RT55 HD computer is programmed
7. e speed sensor to the inside of either fork leg We recommend mounting it as high up on the fork leg as possible to help protect it from being hit by rocks branches or other objects while riding See Fig 1 Tighten the spoke magnet to any spoke on the sensor side of the front wheel so that it passes over the alignment mark on the sensor See Fig 2 Attach the alignment setup spacer to the magnet temporarily See Fig 3 Slide and rotate the sensor until the alignment mark just touches the spacer tip on the magnet See Fig 4 Route the sensor wire up the fork leg and secure it with the tape Wrap excess wire around the front brake cable housing leaving enough slack to attach the mounting bracket easily to the handlebar and allow for movement of the bar and stem CAUTION When installing the speed sensor on a suspension fork make sure that the fork is fully extended to ensure there is enough wire to reach the mounting bracket properly Excess sensor wire should be taped down or wrapped around the brake cable housing for safety Snug the zip tie down to hold the sensor in its final position Remove the spacer and verify that the magnet and sensor spacing stayed the same See Fig 5 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Magnet sweep path Spoke Speed Sensor Fork Leg Spoke Magnet Spoke T Alignment Magnet ark Speed Sensor NETTA ax ATIA
8. he magnet and sensor with the spacer e Current speed reading is erratic or does not appear Inspect the wiring for any breaks or kinks Replace mounting bracket and sensor as needed e Incorrect data appears on screen during operation Accuracy of the Setup data may be a problem wheel size setting etc e Data display is extremely slow Computer LCD does not like extremely low temperatures Operating range is 0 C to 50 C or 32 F to 122 F Return the computer to a warmer climate e Screen is dark and display characters look strange Computer screens do not like to be left in direct sunlight for extended periods of time Move the computer into the shade until the screen recovers No effect on data e Screen reading is weak or fading Symptom of a weak battery Replace the battery e Screen readings are erratic and read too high or too low Symptom of a weak battery Replace the battery e Screen frozen no response to buttons Symptom of a weak battery Replace the battery e No display whatsoever Battery is completely dead or not installed Replace or install the battery WARRANTY POLICY ACUMEN INC WARRANTS ALL VETTA The Company PRODUCTS AGAINST MANUFACTURER DEFECTS FOR A PERIOD OF 3 YEARS Subject to the following limitations terms and conditions components will be free of manufacturing defects in materials and workmanship The 3 year limited warranty is conditioned upon the components being used and operated in normal riding c
9. onditions This warranty does not cover normal wear and tear i e battery replacement broken wire rider abuse acts of God improper installation or product alteration This warranty is void if the components were not purchased new from or through an authorized VETTA retailer or dealer examples of unauthorized dealers are online auction sites or online retailers that do not offer service ACUMEN INC at its sole discretion will repair or replace items at its own cost Users are responsible for all return freight shipping charges when returning items for warranty service ACUMEN INC will pay freight when returning serviced items via USPS or UPS to consumers or dealers once the item s has been repaired or replaced REQUIREMENTS FOR WARRANTY SERVICING 1 Prior to shipping an item back you must first obtain a Return Authorization Number s RA Each item being returned must have an individual RA 2 To obtain an RA you must either contact the retailer where the product was originally purchased from or contact VETTA directly at customerservice vetta com 3 For trouble shooting purposes we request that the complete unit with packaging be returned to ACUMEN INC unless otherwise stated by VETTA representative ITEMS TO BE INCLUDED IN RETURNS 1 The defective product s 2 Aletter clearly stating the problem s with the returned item s 3 Copy of the original sales receipt showing proof of purchase date 4 The Company
10. to enter the Setup mode after battery installation In Set Up Button 1 is used to select or set a value and to advance to the next digit or screen mode Button 2 is used to switch between settings and to increase values SET 12 24 CLOCK Press Button 2 to switch between flashing 12 and 24 hour formats Press Button 1 to select desired format and advance to time setting To set the time in CLK mode Press button 2 to advance hour digits to correct hour hold button for rapid advance Press Button 1 to select and advance to minutes setting Press Button 2 to advance minute digits and press Button 1 to select To change the CLK format time or service time interval press and hold Buttons 1 and 2 simultaneously for 2 seconds in the SPD CLK screen mode until 12 24 hour format digits flash SET SERVICE TIMER Press Button 2 to advance hour digits to desired total hours and press Button 1 to select and advance Maximum hour setting 1999 hours SET SPEED DISTANCE SCALE Press Button 2 to switch between M hr and KM hr and Button 1 to select desired units and advance To change units in SPD ODO screen mode press and hold Buttons 1 and 2 simultaneously for 2 seconds until M hr begins to flash SET WHEEL SIZE Vly M hr KM hr ZN 715 Default wheel circumference setting is 2074mm Choose correct wheel circumference figure from Wheel Reference Chart Press Button 2 to advance digits as needed and
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