Content recording method, recording apparatus, and recording system

A recording system comprising:

• a recording apparatus;
• and
• a mobile apparatus connected to the recording apparatus such that the mobile apparatus is able to communicate with the recording apparatus,
• the recording apparatus including
• an automatic recording control unit that automatically records a first plurality of pieces of content in a channel automatic recording area included in a recording medium, each of the first plurality of pieces of content being broadcast through a channel in a time slot, the channel and the time slot being designated by a user, and
• a first synchronization control unit that instructs the mobile apparatus to delete a first piece of content that has previously been copied or moved from the channel automatic recording area to the mobile apparatus, and copies or moves a second piece of content included in the first plurality of pieces of content to the mobile apparatus, when the recording apparatus detects that the recording apparatus has become able to communicate with the mobile apparatus, and
• the mobile apparatus including
• a second synchronization control unit that records the second piece of content that has been copied or moved in a recording medium and deletes the first piece of content in accordance with the instruction to delete the first piece of content.