These models are discontinued and no longer supported.

For models:

  • Contex SD4410 / Vidar SD4410 (MA52)
  • Contex SD4420 / Vidar SD4420  (MB52)
  • Contex SD4430 / Vidar SD4430 (MC52)
  • Contex SD4450 / Vidar SD4450 (MD52)
  • Contex SD4490 / Vidar SD4490 (ME52)