| 摘要 |
<p>PURPOSE:To recognize the states of respective peripheral equipments on the keyboard and to change the states of the respective peripheral equipments by remote control as well. CONSTITUTION:When a state signal 101 of a printer 6 is inputted from the printer 6 through a personal computer 5 to an input/output control part 2 of a keyboard 1, the input/output control part 2 dispatches a state display signal 104 to a state display part 3, and the use enable state of the printer 6 is displayed. Therefore, since the operator can recognize it according to this display whether the printer 6 is in a usable state or not, printing data 102 are prevented form being transmitted to the printer 6 while disabling the use. When there are the printing data 102 in the state of disabling the use of the printer 6, a state change signal is transmitted from a peripheral equipment control part 4 through the input/output control part 2 to the printer 6, the usable state can be obtained.</p> |
