| 摘要 |
PROBLEM TO BE SOLVED: To enable multi-address automatic broadcast to plural slave stations, even when a fault is generated on an operation table of a master station. SOLUTION: This multi-address broadcasting apparatus is provided with a fault of operation table detecting means 15 to detect the fault generated on the operation table 8, a fault signal of operation table receiving means 21 constituted in an automatic program transmitter 17 to perform the multi-address automatic broadcast to the plural slave stations 11, without going through the intermediary of the operation table 8 by radio equipment 9 in a state where the fault is detected on the operation table by the fault of operation table detecting means 15, a press-talk-on signal transmitting means 22, a selected call signal transmitting means 23, a completion signal transmitting means 24, a press-talk-off signal transmitting means 25 and a broadcasted content output means 26, etc.
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