Ok your antenna settings should look like these.
Satellite..............Echostar 5 @ 129W
LNB Power..............ON
LNB Type...............OCS-DP
LNB Freq...............11250
22kHz..................OFF
TP Freq................12224
Diseqc 1.0.............Port 3
Motor..................OFF
Legacy SW..............None
Satellite..............EchoStar 8,10 (110°W)
LNB Power .............ON
LNB Type...............OCS-DP
LNB Freq...............11250
22KHz..................OFF
TP Freq................12224
DiESqC 1.0.............Port 2
Motor..................OFF
Legacy SW..............None
Satellite..............Echostar 7 (119°W)
LNB power..............ON
LNB Type...............OCS-DP
LNB Freq...............11250
22KHz..................OFF
TP Freq................12239
DiESqC 1.0.............Port 1
Motor..................OFF
Legacy SW..............None
Are you getting all channels from all three sats?And you have good quality on all three birds?