English 
10 pulse speedometer dip switch settings
Dip switch is a kind of jumper situation in which the toggle is a switch. Both the dip switch and the jumper cap type jumper mode achieve different logical combinations by controlling the on and off of certain points to realize the logical combination of certain computer functions, such as the front-end bus frequency.Functions are written or function charts are drawn near the dip switch. You can set them according to the instructions.The dip switch on the motherboard can be understood as a jumper that will not be lost. It has basically the same function as the jumper, but it will not lose the jumper cap, which is smaller, more complex and more convenient to use.Generally, functions are written or function charts are drawn near the dip switch. For example, if it is the BIOS write protection switch, you can turn on (on) or off (off) the function of writing BIOS by turning the switch as shown in the figure. If it is set to the off state, the BIOS cannot be written. However, this writing does not mean setting the BIOS, but erasing the BIOS or upgrading the BIOS. The setting is not affected.If there is a virus in the past, such as CIH, it can destroy the BIOS of the motherboard and damage the motherboard. So it will take a while for such a dip switch to come out.
Control principle:
The controller is built with large-scale integrated circuit and is adjusted by two potentiometers.Three important time parameters: pulse width, pulse interval: optional multi pin junction.The number of output channels within 10 channels can be adjusted freely. For specific pin positions, see the position description on the printed wiring board.
Standby state: if the startup conditions are not met after the controller is powered on (the startup signal is disconnected On), the system will enter the standby state.
Operation status: the controller is powered on and enters the startup operation status when the startup conditions are met. The LED displays the status of each output point.
Maintenance status: when the controller operates normally, the automatic and manual switch pins are inserted to the right two positions, you will enter the manual maintenance state. At this time, press the "manual" button to output and It will shift backward from the previous route until the pin is inserted to the left two positions and exits the manual state.
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