Press and release the (Menu Lock) and the channel number will begin to flash, and press "+" or "-" until you pick-up your strongest weather channel signal

What they should have written is "press and release (Menu Lock) and the channel number will start to flash."

To change channels (radio channels and weather channels), it tells you "With the radio on, press (Menu Lock) until the channel number starts to flash."

Both radios need to be set at the same channel number and same interference code.

Also the Midland menu is nowhere near as good as