what does this sentence mean? Because of the Charlie blackout, and because the Signalmen who could operate the more complex equipment were all in the terminal restaurant (no one aboard remembered the UPI and AP teletype machines), Swindal had turned to the stateroom television set. Sergeant Ayres, George Thomas, and the two secretaries from Salinger's office, Chris Camp and Sue Vogel- singer, had joined him there. As the full dimensions of the tragedy emerged, the women had dissolved. Swindal had recoiled, and Ayres tinkered madly with the reception until he got what he later called "a real good picture." George Thomas had disappeared into Kennedy's bedroom. The President would have no use for the clothes he had laid out, so George had carefully repacked them.】 what does "tinkered madly with the reception until he got what he later called "a real good picture."mean? what didi he tinker madly with? what does "reception"here mean? what does "a real good picture"mean?