The explanation of symbols marked after parameter codes are shown as the following. Please pay close attention to it before setting these parameters. (★) Read-only register, such as P0-00, P0-01, P4-00. (▲) Parameter cannot be set when Servo On (when the servo drive is enabled). (●) Parameter is effective only after the servo drive is restarted (after switching power off and on), such as P1-01. (■) Parameter setting values are not retained when power is off.