Route Planning - TomTom Navigator Navigator 2 Reference Manual

Big Chooses between the default Pocket PC pop-up keyboard
keyboard and the TomTom Navigator keyboard offering large
buttons.
Show house
number
Controls the display of addresses.
before
street name
Warnings
The "Re-activate warnings" button re-activates all the warnings that were
disabled by tapping "never show me this warning again".
Congestion Charge (Not available on all maps)
Warnings Provides a warning when you are on a route that passes
through the London Congestion Charge zone.
Avoid area Forces TomTom Navigator to always avoid the London
Congestion Charge zone.

Route planning

Automatic Automatically calculates a new route whenever you veer
re-planning off the currently planned route.
Calculation Influences the speed and precision of the route
calculation. The default is "Normal".
Preferred speeds
These properties specify the average speeds for particular types of roads, and
fine-tune the way routes are planned as well as the calculation of travel times.
Navigator menu: Main
These properties define which five buttons are offered on the Navigator pop-up
menu (the sixth button is always the "More" button).
Navigator menu: More
These properties define which buttons appear on the second Navigator pop-up
menu.