With the regulator adjusting knob turned fully counterclockwise, place both hands on the cylinder valve and open it slowly, allowing the pressure to rise gradually in the regulator.

调整器的调节钮逆时针旋死后，两只手放在钢瓶阀门上，慢慢地开启，使调整器内的压力逐渐增加。

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Turn the adjusting knob clockwise and establish the required use pressure by referring to the low-pressure gauge. Make sure that the cylinder valve is easily accessible.

顺时针旋转调整钮，通过查看低压量表建立要求的使用压力。确认钢瓶阀门容易接近。

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