The OPEN command switches the serial port to the configuration mode.
$aOPEN<CR><LF>| Name | Description |
|---|---|
| $ | Fixed text |
| a | WMT700 address. If the value is 0, it refers to any WMT700 address |
| WMT700 automatically returns to normal operating mode, if it does not receive commands in 2 minutes, or if it detects multiple unrecognized commands. |