1. Before starting the <br>machine ①The operator who uses the machine for the first time, before starting the machine, please read this manual carefully and pay attention to the safety signs everywhere (the safety signs of the hoist, fan and airlock are shown in Figure 1).
1. Before powering on<br>(1) The operator of the first use of the machine, before starting, please read this instruction manual carefully, and pay attention to the safety signs everywhere (lift, fan and shutter safety signs see Figure I).
1. Before power on<br>① Before starting the machine, the operator who uses the machine for the first time should read this manual carefully and pay attention to the safety signs (see Figure 1 for safety signs of hoist, fan and air shutter).<br>