2.3.5.

"Operating  tell-tale" means a visual or auditory signal (or any equivalent signal)indicating that a device has been switched ON and is operating correctly or not.

 a10c0
2.3.5. "Operating tell-tale" means a visual or auditory signal (or any equivalent signal) indicating that a device has been switched on and is operating correctly or not. a8c0
2.18. "Operating tell-tale" means a visual or auditory signal (or any equivalent signal) indicating that a device has been switched on and is operating correctly or not. a0c0