| 摘要 |
<p>An operation indicator for an automatic flashing device comprising a first indication means which visually indicates a reaching to a predetermined voltage of main capacitor and readiness for proper completion of flashing of an automatic light adjusting, and a second indication means which indicates a selected one of them by sound, and a switching means which connects or disconnects said second indication means to the circuit of the device. By the abovementioned construction, the user can realize readiness of automatic flash operation both by eyesight and by audition.</p> |
