>>283809Let's see:
Power - self explanatory
Heater - For the primary amplifying tubes. The radio is a hybrid from the 70s. It has a solid state receiver with a tube transmitter. Meaning, it's bulletproof. They yanked 2-3 of these out of Jonestown in South America in the aftermath. Heaters should be kept OFF when you're just listening to preserve the tubes. If you are going to transmit, you should turn on your heater at LEAST 60 seconds before transmitting. Longer is better.