doubleheading.

[yamspan]

try and add a second pair of locos but all log onto dh,0 cannot work how to find the dh1 ,2,3 etc it not like it says in the manaul.

[HornbyRailMasterSupport]

Details of this are in the RailMaster PDF guide.  Essentially, you first have to decide how many multiple headers you will ever run at the same time on your layout (most people just run one) and specify this number in the RailMaster Settings window.

Then all you do in the multiple headers window is press the DH box repeatedly and it will cycle through the numbers.

For example, if you specify a maximum of three sets of multiple headers that you are likley to use then set 3 in the Settings window.  When you press the DH box on the Multiple Headers window it will cycle through DH 0, then DH 1 then DH 2 then DH 0 again and so on.