Controlling systems should take this message as a flag to rebuild and NO LONGER USE the previous tree beneath the indicated control address.
Transmit only
| Byte # | Value HEX | Description | Notes |
| 1 | F0 | Sysex ID (Start) | |
| 2 | 06 | Lexicon ID | |
| 3 | 0bbb bbbb | Product ID | |
| 4 | 0bbb bbbb | Device ID | 0-127 |
| 5 | 07 | Message type | Rebuild Tree |
| -- | 0n | Number of control levels (2 bytes) | This field defines how many control levels are used in the Class's address. This is a 16 bit field so the address can have up to 64k digits (control levels) |
| -- | 0n | Control level 0 (A) (address) (2 bytes) | This is the first control level. It defines the level 0 (A) control address of the Class. The control level addresses are 16 bit fields so the control addresses can be 64k deep. Note that letters are used to help differentiate between levels and their values. |
| -- | 0n | Control level 1 (B) (address) (2 bytes) | same as previous |
| -- | 0n | Control level 2 (C) (address) (2 bytes) | same as previous |
| -- | 0n | --- up to Control level 65535 | same as previous |
| --- | 0n | Checksum | This is an optional "Checksum" field. The checksum is the low 7 bits of the sum of all preceeding bytes in the message following the "Message type". |
| F7 | End of Sysex |