1. When install the battery, must be connected to the power of control circuit, disconnect the main power for 15 minutes, until the charge lamp turns off, and can be conducted with a multimeter the voltage between the terminals P-N, otherwise it may cause electric shock.
2. In order to prevent the internal circuitry of the amplifier may be damaged by static electricity, so the operator and the console must be grounded, do not touch directly the conductive portion of the connector pins and electrical components and the like.
3. only the control circuit power is already under ON state to replace the battery. Remove the battery if the control circuit power supply is OFF, the absolute position data is lost.