| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal level measurement method for a transmitter- receiver, which can accurately and speedily measure the signal level of a reception signal of the transmitter-receiver. SOLUTION: In the case a transmittable/receivable state between a host 2 side and the transmitter-receiver 3 side is disconnected when signal level are changed, a signal level measurement is resumed from a transmittable/ receivable signal level before disconnection. |
