[. . . ] Failure to pay attention to the road ahead of you, obstacles, and traffic could result in a loss of control, serious injury, or death. Contact with wires could damage the computer or cause you to lose control and fall. Terms Used Hold Press Reset Trip Restart Scroll Press a button continuously for about two seconds. Push a button once, briefly. Set all values in the memory to 0 (zero) and erase all settings. [. . . ] Removing the Computer from the Base. Trip Restart (Set the Trip Data to Zero) Trip Restart resets the following Trip data to zero: · Trip Distance (TRP) · Speed AVG and MAX · Ride Time (TME) To Restart Hold and at the same time for two seconds (Figure 5). The trip data restarts at `0'. (and) (for 2 seconds) Figure 5. Restart the Trip Data. Custom Settings You can change units of measurement without erasing other settings. To Set the Units of Measurement and Odometer 1. To change the flashing digit, press To select, press . . Repeat step 5 to change the other digits. After you select the last digit, the Trip returns to ODO. 5. Custom Wheel Size The menu on your computer for tire size is based on averages, but there is some variation in actual tire size even between tires marked as the same. You can make your computer more accurate by setting a custom wheel size. To Set a Custom Wheel Size Measure the roll-out (Figure 6). Roll-out is the distance your bicycle travels in exactly one revolution of the wheel. If one wheel on your bicycle is bigger, measure the wheel with the magnet. Start with the valve stem of the wheel directly perpendicular to the floor. Roll the bike straight forward one revolution of the wheel, so that the valve stem is again directly over the floor. Scroll to the four-digit number (example: 2050). (for 2 seconds) 1. 2. 3. 4. To change the flashing digit, press To select, press . Repeat step 5 for the other digits. The Trip returns to the TME display. (for 2 seconds) 6. Second Wheel Size (Trip 4W only) The Trip 4W can store two different wheel sizes. Wheel 2 is a partial circle surrounding the Wheel 1 icon (Figure 8). Figure 7. To change to Wheel 1 or Wheel 2, press . (for 2 seconds) 1. 2. 3. 4. To set a custom a wheel size, refer to the instructions listed earlier in the manual. [. . . ] Rotate the battery cover about onequarter turn in a counter-clockwise direction (Figure 9). Insert the new battery with the `cross' and identifying label pointing up (Figure 10). Replace the battery cover with O-ring seal and rotate clockwise onequarter turn. Figure 9. [. . . ]