(broadcasting) channel (specific radio frequency or band of frequencies)

a dial / dialling

dial someone

to change, to make different / to move or shift to a different time or place

potential of 変える (kaeru): to be changeable / passive of 変える (kaeru): to be changed

please give me / (expressing a request) please do something for me

Please do (action)

Please do not (do)

radio / (slang, dated) broke, having no money; dining and dashing (punning off of 無線 (musen, “wireless”) with the sense of 無銭 (musen, “money-less”)) / radiation (when used as part of a compound)

please give me / (polite, imperative) please do something for me; expressing a request