Backwaters such as rural South Australia get scant attention in the itty-bitty JCV file for your leader-line nuvi 50 unfortunately Scherms.

D3532080A.JCV is 7,369,573 Bytes, and it contains only 2,252 png files which are 'generic' images used to build a Junction View by layers. Several of these layer images are used for each creation, so the total number of actual 'pictures' is actually quite small in comparison to the larger file D2563130A.JCV supplied for the more advanced series such as the current 3597 which is 48,669,425 Bytes. Even allowing for the fact that the larger file has images with picture size of 480 x 270 pixels and the 30/4x/5x uses 212 x 234, that's still a lot more views.

Here's a hypotherical example of how 4 of the images files could be layered to make up one JCV in D3532080:

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