| 摘要 |
A power supply unit with a switch-on/off facility for powering radio equipment, which includes input portion having a plurality of keys, power generating circuit for generating power and switch which is connected to the power generating circuit for turning on and off power to the radio equipment. The power supply unit further includes disabling portion for disabling. the turn-on and the turn-off of said switching means in response to operation of a predetermined key of the input means. |
