Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to program a comcast remote [title] Turn on tv. [step] The tv needs to be on in order to connect the remote to it. [title] Press and release " tv " button.

Ending1: [step] This activates the tv function on the remote. [title] Press and hold the " setup " button. Ending2: [step] If a radio station comes on and you don't see " television " this means that the tv might be locked into the standby mode. Press the " security " button to separate the television from the standby mode. Ending3: [title] Input the host's contact info. [step] The host will not remember which broadcast station you're playing, but it is important for the host to remember. Ending4: [step] The tv will automatically choose the tv network. [title] Using the remote, explore and locate the program that your tv is connected to.

Answer format: ending1/ending2/ending3/ending4