4.2 Enable Switch Figure 4-2. Numbered Index to T20 Buttons 4.2 Enable Switch The pendant is equipped with a 3-position enable switch. The enable switch is located on the back of the pendant, as shown in the following figure. WARNING: Improper use of the teach pendant can cause hazards. Ensure that you always use the pendant properly, following the instruc- tions in this manual. T20 Pendant User's Guide, 10433-000 Rev. E Page 17 of 50 Control Description LEDs ACE When lit, indicates that the pendant is communicating with ACE software. ERR (Error) When lit, indicates that an error has occurred. JOG When lit, indicates that the Joint/Axis control buttons are available to move the robot.
Also indicates that the system is not in COMP mode.