Loop thru works ok doesnt lose signal at all <br /><br />Yes for the loop thru option like i said make the Dreamax the master and UBI box the slave then when u want to watch ERT just flick the dreamax to ERT and will work like normal then u will see the UBI box say no signal this is normal but when u want to watch UBI just flick the dreamax to SCTV then the ubi box will work again like normal and u can watch all the UBI channels without a problem