The black knob on the front panel is the screw that secures the main unit. Turn it counterclockwise to loosen, then remove the unit.
I purchased the VJ series, but I can't remove the main unit from the socket.
置顶
横河电机(中国)有限公司
The black knob on the front panel is the screw that secures the main unit. Turn it counterclockwise to loosen, then remove the unit.