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Trek Sonic 2.0
Cycling Computer Owners Manual
Congratulations and thank you for purchasing your Trek Cycling Computer.
Before operation please read this instruction manual carefully and retain it for
future reference. We recommend setting the speed scale and wheel
circumference before installing the computer.

Precautions

Remember to watch the road or trail while riding. Watching your bicycle
computer makes it difficult to see upcoming obstacles. Awareness of potential
road, trail or traffic problems should be your main concern.

Main Unit/Accessories

1
Contents:
1. Main Unit
2. Bracket
3. Wire
4. Wheel Sensor
2
3
5
4
5. Magnet
6. Wire Securing Tape
7. Zip Tie
8. Bracket Rubber Pad
Page 1
7
10
9. Mounting Clamp
10. Rubber Pad for Clamp
6
9
8

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Summary of Contents for Trek Sonic 2.0

  • Page 1 Trek Sonic 2.0 Cycling Computer Owners Manual Congratulations and thank you for purchasing your Trek Cycling Computer. Before operation please read this instruction manual carefully and retain it for future reference. We recommend setting the speed scale and wheel circumference before installing the computer.
  • Page 2 4. Setting the wheel circumference (100-2999mm) Wheel/Tire Size Wheel size Setting Wheel/Tire Size Wheel size Setting Sonic 2.0 has 2 wheel circumference and odometer settings. The display 16” 1300 700 X 20C 2074 20” X 1.75” 1600...
  • Page 3 Sonic2.0 99 6/12/00 11:10 AM Page 4 b. Review wheel-circumference value. either side of the stem. Or use optional mounting clamp. Go to (ODO) Odometer function, press both L & R buttons at same time to review display wheel- 3. Cut the excess zip tie off. circumference value ( will last for 3 seconds) when needed.
  • Page 4: Display Functions

    Sonic2.0 99 6/12/00 11:10 AM Page 6 Display Functions Riding time ( 0:00:00-99:59:59) — RT Speed 0-30km/h 31-60km/h over 60 m/h The Elapsed Time is measured from the start point to the Minimal display unit 0.1km/h(mile/h) 0.5km/h(mile/h) 1km/h(mile/h) current point. It starts counting automatically when signals are received, it stops when signals have stopped for over two Current Speed seconds.
  • Page 5: Trouble Shooting

    Sonic2.0 99 6/12/00 11:10 AM Page 8 Km/mi. alternative TROUBLE SHOOTING Under any display mode, hold L button for 3 seconds, the speed scale Km or The following situations do not indicate malfunction of the computer. Check mi. will automatically reverse. Once the speed scale has been changed, the the following before taking unit for repair.
  • Page 6: Specifications

    0.0 C to 40.0 C (32.0 F to 104.0 F) Storage Temperature Range -20.0 C to 50.0 C (-40 F to 122.0 F) Applicable wheel circumference 100mm-2999mm Battery Life Approx. 1 year ©1999 Trek Bicycle Corporation. All rights reserved. Page 10...

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