| 摘要 |
A power supply unit with a switch on/off facility for powering radio equipment is disclosed. The power supply unit includes an input portion having keys, a power generating circuit for generating power, and a switch connected to the power generating circuit for turning on and off the power to the radio equipment. The power supply unit further includes a disabling portion for disabling the on/off switch in response to operation of a predetermined one of the input portion keys. |
