| 摘要 |
PURPOSE:To obtain the system in which an operation defect such as a fault is discriminated simply at a sender side. CONSTITUTION:The output device outputting an input signal converted into an RF signal through the modulation by a prescribed carrier from output terminals 15a, 15b... to which peripheral equipments requiring the input signal is provided with detection circuits 16a, 16b... detecting an RF level of the input signal and with display means 17a, 17b... implementing prescribed display in response to the detection levels of the detection circuits 16a, 16b.... |
