| 摘要 |
PURPOSE:To enable to realize a correct key input operation with a punch card without any erroneous setting by a method wherein a select key is surely operated already when an automatic take-in key, provided in a switch set, is put ON. CONSTITUTION:A select key group 2, for selectively setting a function among a plurality of heating functions as well as a heating time and a heating temperature, and the switch set 5, consisting of a switch group cooperating with the key group 2, are provided so that the switch set is operated properly by a punch card 1 loaded in a card holder 3. The switch set 5 is provided with the automatic take in keys 2-S1, 2-S2, for taking the information of the card 1 into the control circuit in cooperating with the pushing operation of the holder 3, while the automatic take-in keys are constituted so that they are operated with a delay after the select key is operated and a take-in timing is afforded to the control circuit after all of the automatic take-in keys are put ON. |
