He's my set up & works fine at present
Channel Master 1.2 Dish
18 Actuator
Invercom Twin lnb with feedhorn
Moteck v box positioner
& of course Vu + Twin tuner sat receiver
Current image Dream Elite
Menu, Main menu -option 8 Set up
Option 1 Service Searching
Option 1 Tuner Configuration
Both Tuners should appear on screen
Make sure both Tuner B is set up exactly same as Tuner A
Tuner A -Advanced
Satellite -right/left keys on r/c to choose sat you wish to view
Lnb 1- if you are feeding from one lnb even if its twin/quad etc
DiSEqc Mode 1.2
Use Usals for this sat no
Store position at - whatever your stored position is for that sat on vbox positioner
For example Astra/Eurobird 28/28.5 East is stored at position 28
Hope this helps