Be sure to ground your recorder Before turning on the power, connect the protective conductor terminal your recorder to the protective conductor of the power s upply facility. Do not disconnect this wiring in running of your recorder to prevent an electric shock.
The following fuse is mounted in the power supply unit of your recorder for safety use. However, this fuse is not replaceable. Manufacturer Model Ratings(记录纸、记录笔) SCHURTER SPT001.2508 250VAC LITTEL FUSE 21502.5 2.5A WICKMANN 19181
Before turning on the power supply In order to ensure safety, before turning on the external power switch, make sure that the power voltage is within the range indicated on the power supply label.