| 摘要 |
<p>PURPOSE:To inform a user of a correct channel selection mode by detecting a fact that a user misunderstanding a channel selection mode. CONSTITUTION:A CPU 14 detects a channel selection execution key not being inputted for a specific time from numeral key input when AC equipment is set in ten-key channel selection mode, and displays the ten-key channel selection mode on a CRT 20 through a character generator 16, when the AC equipment is set in direct channel selection mode, the CPU detects the time interval between the numberal key input and channel selection execution key input being less than a specific time and displays the direct channel selection mode on the CRT 20 through the character generator 16.</p> |
