The alarm content of Velcro touch screen is not displayed.

Does the subject want to ask "what if the alarm content of Velcro touch screen is not displayed?" Check the alert output and check the event login settings.

1. Check the alarm output: confirm whether the alarm output equipment works normally, including audible and visual alarm and indicator light. Check whether the alarm output settings are correct, including output type and output time.

2. Check the event login settings: In the event login settings, check whether the delay time is set correctly to ensure that there is enough time to display alarm information.