44Preparations11 PreparationsChannel Up/Downz FunctionPersonal Computer can control TV Channel.(If PIP is on and PIP source is TV, it also should work.)z Get TV Channel Up/Down : N/Az Set TV Channel Up/DownChannel Up/Down: Channel UP or Down to be set on a product. (0~1)0 : Up1 : Downz Ack"Channel Up/Down": Channel UP or Down to be set on a product. (0~1)z Nak"ERR": A code showing what error has occurred.0 : Check Sum Error1 : Not Supported CommandHeader CommandIDData length Data 1Checksum0xAA 0x61 1 "ChannelUp/Down"Header CommandIDData length Ack/Nak r-CMD Val1Checksum0xAA 0xFF 3 ‘A’ 0x61"ChannelUp/Down"Header CommandIDData length Ack/Nak r-CMD Val1Checksum0xAA 0xFF 3 ‘N’ 0x61 "ERR"
