Portable Navigation Device

Question

Hi there

I have a Portable Navigation Device Model number GPS350. It has a brief user manual but for the GPS the manual says to refer to "separate software manual for detailed operations". I bought it from ebay and have emailed the seller who has not responded to me.

GPS is on the main menu but if you choose it you see a timer briefly on the screen and then just the main menu again. I can't get it to go any further and without the instructions I'm not sure that it is not faulty as it could just be me not doing it right!

Do you think you could help?

Kind regards.

Avril