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I bought the TomTom XXL 540S a few weeks ago. This gps is the big brother to the TomTom XL 340S. This gps just has the bigger and brighter 5" screen.
I have very mixed feelings about the gps. There are many things that I like about it, but there are also so many small details and functions that are lacking on it that TomTom either decided not to work on or decided to exclude. These little things that are missing drive me absolutely crazy at times and I don't know if I can stand them or not. I may consider returning this gps and getting either a Garmin or Magellan instead. I don't know yet. I really hope TomTom starts addressing some of these issues.
Some of my pros vs cons are below which I hope will help others who are trying to decide on a gps.
+ IQ Routes (TomTom uses historical speed data for roads based on the time of day and day of the week, so that it can give you the best possible route)
+ Big 5" Screen, which is easy to see.
+ Very loud speaker. (Option in Volume Preferences to link the volume to your cars speed if you want)
+ Satellite acquition is fast (less than 10 sec for me). Shows usually around 9 satellites.
+ Map Color can be changed.
+ Can change the color of the car symbol in 3D mode
+ Auto Day/Night mode changes the brightness and color.
+ Ability to prepare a route with any Depart and Destination coordinates.
+ Shows the current street that your on at the bottom of the screen and the next street to turn on in the top right corner.
+ Advanced Lane Guidance on the highway is displayed really nicely. Shows an arrow with the lane that you need to be in and also sometimes shows a 3D sign for your exit. It is nice and big and it stays on the screen long enough to be viewed so that its clear to see where you need to go.
+ Status bar can be customized to how you like it. It can be displayed either horizontally or vertically. Can show the remaining time, remaining distance, current time, arrival time, your speed and the speed limit, distance to your next turn, compass, ect.
+ TTS (text to speech) instructions are very helpful in letting you know where to turn and also preparing you for your next turn as well. For instance it will say something like "After one qurter mile turn right". Then as you get closer to the street it will say "Turn right Main St. Then take the second left"
- POI (Points of Interest) Map Screen shows the POI name, street and cross street, phone, city, and state. But it gives NO street addresses! So you don't know the address or what side of the street the POI is on, unless you call the place ahead of time and ask. All you get is a checkered flag shown in the middle of the street with TomTom saying "you have reached your final destination". On the Go model the POI Map Screen has a "Details" button that shows the street address, zip code, and food cuisine type for instance. Why TomTom decided to remove this on this model I have no idea.
- No AutoZoom enable/disable option (like on the Go model). You can manually zoom in or out on the map, but about 5 sec later AutoZoom will kick in and take you right back to what TomTom wants you to see. Its very frustrating because I like to zoom in and out sometimes so that I can see more map detail, but TomTom won't allow me to for anymore then about 5 sec. When I turn on the gps the zoom level that TomTom has picked is so bad that most all of the street outlines around me have completely vanished from the screen. All that I see are a bunch of street names just floating around on the map with no streets being shown.
- Doesn't speak which side of the street your destination is on. (If you enter a street address for a destination however it does show a little arrow on the map pointing to the left or right hand side of the street when you are approaching your destination. Along with a little checkered flag on the side of the street your destination is on.)
- Change Preferences screen is 6 pages deep and only has a button to advance foward to the next page. There is no back button. So if you say accidently go past the screen you wanted to be on you have to then press the foward button 5 more times just to get back to that page.
- No simple way to get into the Browse as Text turn lists display from the main screen.
- Browse as Text route instructions, the text and arrows for the turn list is just way to small. Also there is no Auto Scroll function. To view the next page of new upcoming turns you have to scroll down the list manually yourself.
- POI Map Screen in Night mode shows the cross street text in black, which is extremely difficult to see unless you get very close to the screen.
- 3D mode during the day the maps background brightness isn't consistent across the whole screen. There are noticable lines across the screen where you can see the various brightness stages. Towards the bottom of the map its the brightest and then as you pan up the screen it gets slightly darker.
- Can't enter the street name untill after you have entered the city. Its bad news if you know the street but unsure of the city. You should be able to search for the street in any city near you or near the city that you entered (if it was incorrect).
- TTS (text to speech) of multiword street names sounds sometimes garbled.
- TTS pronounces some words and streets pretty poorly.
- Can't change the color of the car symbol in 2D mode.
- Can't search restaurants by cuisine type.
- No MicroSD memory card slot for expansion. Room is pretty tight with only 2GB of internal flash memory. After removing all of the voices except for computer voice Susan and removing most of the car symbols. I still only have 105mb of space free remaining.
- Only supports USB 1.1 transfers. So when you install maps or performing backups its very slow.
Miscellaneous info: gps chipset on mine was a GL2 BCM4750 (Global Locate 2), The CPU speed is 266MHZ. 64MB of RAM.