This products can adjust all kind of the RED4 Eletronic speed device in-line pump made by Japan Zexel Company. The functions and charateristic of the controller as well as the testing data are completely same as the original one. The product adopts the wide output power switch, high-speed AMP7 main control Chips, integrated Circuits, can finished all the RED4 adjusting functions. 

The highly integrated products, reliable performance, is the the idea RED4 electronic speed governor.

Technical Data
1. Eletronic Power: 220V 50HZ
2. Output Power: <200 W
3. Data display: Light Four digital Nixietube 
4. Control Range: 5%-95%
5. Precision : ±0.1%
6. 4 Pre-set : 5%, 16.25%, 72.5%, 95%
Button Instructions:
 1. “ Select” Button: When the corresponding indicator light turns off, press “↑” “↓”button to adjust PWM value “5%-95%”; while the corresponding indicator light turn on, press “↑” “↓”button to choose 4 kinds of pre-set : 5%, 16.25%, 72.5%, 95%
 2. “ RED4 POWER”: The Oil ajusting speed device switch, when it light effective.
 3. “ Limp home” Fixed speed switch, while the lamp light, PWM value is “95%”
 4. “ Pull Down” switch, When the lamp light, PWM value is “5%”
 5. “ Menu” “ Enter” Menu Operating: it can change the controller and run the programm. Before left factory, all the data have pre-set well, don’t change it by any way, and leads to abnormal usage.
 Usage Instructions:
Connect the oil pump adjusting speed device through the cables along with test EDC itself, Open the power switch, then open “ RED4 Power”, the corresponding indicator lamp will be light,  display will show “ 00.00”, it can adjust the throttle up and down through the arrow “↑” “↓”. Close the “ RED4 POWER’  switch, oil pump power off.
 Press “ Select” button, indicator lamp light, and press arrow “↑” “↓” to choose pre-set rank, and press “ select” button again, indicator lamp power-off, 
Then reback to the original situation.
   Under the situation “ Select” light powe-off, press “ pull down” output value is “95%”, press “ Limp home”, controller output value will be “ 5%”.