| 摘要 |
PURPOSE:To realize the display mode other than the clock function, by controlling input/output of the device in data transfer of the camera. CONSTITUTION:The control signal of liquid crystal display device 4 and the digital drive signal of LED display device 5 are output from the output port of control device 1. The display signal of display device 5 is output from the input/output port of control device 1 through decoder 3, and one terminal of input/output ports can be connected to the 1 or 0 level through switch 9, and other input/output ports are so connected that they become the 1 level for no signal. When the 0 level is selected by switch 9, control device uses the level of each input/output port at the input signal to realize the display mode. |
