This is the message that generates the Raindrop courtesy beep:
9991 9910 57002801 57004801 57006801 57008801 57010801 57012801 57014801 57016801
You program the RX1-TX1 Courtesy Message using the following command:
MPW 31 0100 9991 9910 57002801 57004801 57006801 57008801 57010801 57012801 57014801 57016801*
You review the message with this command:
MPW 34 0100 *