Quick Start EN terminals of the battery. 4.5 Safety lock hole The safety lock hole is reserved on the back cover of the instrument, and the user needs to buy the safety lock by himself. Wrap one end of the safety lock around a hard-to-move object. Insert the other end into the safety lock. Turn the key clockwise to lock the instrument and remove the key to meet the most basic anti-theft requirements. Figure 4.10 Safety lock hole HTM200 user manual Copyright Qingdao Hantek Electronics Co., LTD 22