KevinO,
The RB1 is DVD-based - the RB4 is CD-based.
And the RB1 will certainly display a moving map with your current location on it - you don't have to input a destination. I run mine like this most of the time.
-Tom
The RB1 is DVD-based - the RB4 is CD-based.
And the RB1 will certainly display a moving map with your current location on it - you don't have to input a destination. I run mine like this most of the time.
-Tom