I have a pace tds470 as my main sky plus box but have been given a second sky plus box but its an amstrad drx280, have set it up in another room, connected 2 cables from the quad lnb,just switch card from 1 box to other, can watch fine, and manually record ok but anything recorded on planner on second box comes up recording interupted please wait, any suggestions as to a way round this as understood if rang sky to pair amstrad to my viewing card then main pace box wouldnt be paired correctly??