SPECS CAMERAS WONT ACTIVATE (NAVMAN)

[K0800]

Guys my speedcamera database on 520 navman works apart from SPECS cameras,
they appear on my POI menu, but as soon as I try to activate them on the
safety alerts - it will not allow me to set warning distance, or the audible and visual warning.... i try to save the settings the same as the others, but the 520 wont remember the setting - thus i cannot activate them...however the icon for SPECS cameras does appear on my maps !!!! HELP !!!!

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