22 nüvi 610/660 Owner’s ManualTRAVEL KIT4. Touch to erase the current rate. Enter a new rate, and touch Done.5. Touch Save to finish.TIP: Touch Restore to use the original conversion rate.TIP: Touch and hold to erase the entire entry.Converting Measurements1. On the Menu page, touch Travel Kit > Measurement Converter.2. Select a type of measurement, and touch OK.3. Touch a unit of measure that you want to change.4. Select a unit of measure, and touch OK. Repeat, if necessary.5. Touch the blank rectangle to enter a value.6 Enter a value, and touch Done.7. Touch Clear to enter another measurement.Using the Calculator1. On the Menu page, touch Travel Kit > Calculator.2. Enter the first number of your calculation.3. Touch an operator (÷, x, -, or +).4. Enter the second number of your calculation.5. Touch =.6. Touch to make a new calculation.