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This page is a complement to my Cyclecomputer Calibration Chart. The chart will tell you the calibration numbers; this page tells how to enter the number into your cyclecomputer.
If you have information on models not listed here, please send me what you can.
AtechAvocetCatEye |
CiclomasterEchoMaguraMongoosePlanet BikeRaleighRhode GearSachs HurétSchwinn Paramount |
SigmaShimanoSpecializedTrekVetta |
While in "D" mode (cumulative odometer) press and hold both buttons for two seconds. Calibration number will appear.
Advance numbers with the left button.
Push the right button.
This unit doesn't store distance data, but counts revolutions. Accumulated data will change if wheel calibration is changed. Changing from miles to km will yield correct distances in the units concerned.
Note: This unit permits the entry of two different calibration numbers ("A" & "B") to allow the same computer to be used with different bicycles
Entering "Set" mode to revise wheel size without losing mileage:
If these buttons are further held down for more than 3 seconds, the wheel calibration value moves between "A" and "B" values.
"Models 15, 25, 31, 35, 40, 45, 45tt: 675 zinc/air 1.4 volt. Originally spec'd 1.35 volt mercury no longer available. 1.4 volt works fine.
"For models 35 and 45 total reset is recommended before battery installation.
"For total reset, hold both buttons down for 35 seconds with battery out."
There is also a lithium variant, which is the size of a pair of these cells that seems to work pretty well too. It is commonly numbered as "DL 1/3 N
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