Channel switching method for display apparatus, and display apparatus

A display apparatus, comprising:

• a display, configured to display an image from broadcast system or network and/or a user interface;
• a remote control including one or more number buttons;
• a communicator configured to communicate with a server via network;
• an input interface, configured to receive an input signal from the remote control;
• and
• a controller, in connection with the display, the communicator and the input interface and configured to perform:
• receiving a channel switch instruction generated from an input number via the remote control, taking the input number as a digital channel number for a first round of channel search, and determining whether a first channel corresponding to the digital channel number exists in a channel table stored in the display apparatus, wherein the channel table comprises a physical channel number and one or more digital channel number corresponding to the physical channel number;
• in response to the first channel not existing in the channel table, further processing the input number to obtain a processed input number and taking processed input number as a physical channel number for a second round of channel search, and determining whether a second channel corresponding to the physical channel number exists in the channel table;
• and
• in response to the first channel existing in the channel table, control the display to play content from the first channel.