### 4.3.1 Adding a Public Message

1. Choose Device > Message > Public Message.

Set the parameters as required based on the following steps:

Device: Select a device to which a message needs to be issued from the drop-down list. (You can choose more than one device.)

Short Message Content: Enter the short message content to be issued.

Start Time: Select the start time for issuing the short message. Please refer to Appendix 3 "Select a Time" for the method of selecting time.

Message Duration: Enter the message display duration.

2. After the completion of the settings, click OK to save the settings and return to the short message setting interface. The short message list displays the added short message.