How do you program the Radio Shack model 20-308 scanner?

To program the Radio Shack model 20-308 scanner, first, turn on the device and set it to the "Program" mode. Use the keypad to enter the desired frequency or channel number, then press the "Enter" key to store it. Repeat this process for additional frequencies, and remember to save your programming by exiting the "Program" mode. You can also refer to the user manual for specific details on programming features and options.