I've been a tech for Dish Network for 12 years & Directv for 3 years. I also was a Paratrooper (509th)...
Rachel try channel 3 or 4, Then try ur inputs. Also4 comments
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Most likely channel 60 or 73. If those don't work try 21,22,23,& 116 for the picture. When this doesn't work then simply go directly to your tv1 at the reciever box itself. Select the menu button on the remote ( main menu will appear), press 6-1-5 on your key pad (this will take you to modulator setup). Select air or cable for tv2 out to change the current channel information and then select done. Now back to tv2 and retry all the above channel numbers. If still no success, simply trying reseting the box but unplugging the power cord for 10 secs. Then proceed to recheck channels again following the reboot. You can call or chat at mydish.com/chat