The operation steps o★Ωf the pressure switch arΩ∑φ©e as follows: (1) Short press th✘←↓§e (ON/OFF) operation key to turn off the operδ ≠∑ation indicator and the pressure c'&≠ontrol system is turned off. (2) Set the uppe¥¥±∑r/lower limit of the control. Press t✘®he SET button once to enter the☆↔ lower limit setting state (corresponding t↔✘♣o the lower limit indicator light). Set the va★≈lue by (▲)(▼). After setting the l×₹ower limit, press the↕£λ SET button to enter the♦↓≈ upper limit setting. The method is the sa€$‌εme as above. (3) Aft∏φ∞er the setting is completed, press the SEσ↑T button to automatical€♣ly save the set value to the com'♥•≤puter chip (after the parameter is modified,γ∏ no key operation with↕™Ωin 5 seconds will automatically save the curren→∞Ω§t parameter setting). (4) Press t↕→σ¥he (ON/OFF) operation key aβ↔&¶gain (corresponding t↑↔o the running indicaπ≠tor light), and the motor starts to ✘≈work. There is also the ability ∑£✘γto use the unit switching method t≠π♣o operate! Just press the (ON/OFF) run button£¥• and turn off the run indicator. Shor&☆t press the increase b↓★utton (▲) to switch the un✔÷it between MPa, Kg/cm and PSI. After the s∏•®etting is completed, you ♠εcan turn on the running indicator!