Equipment adjustment and inspection can be checked once before the equipment is used. When the probe frequency or equipment user changes, the adjustment or inspection should be performed again.
The device adjustment check can be checked once before the equipment is used, and when the probe frequency or the user of the device changes, it should be re-adjusted or checked.
The equipment adjustment and inspection can only be carried out once before the equipment is used. When the probe frequency or the user of the equipment changes, the adjustment or inspection shall be carried out again.