| Tx Data | Size | Description |
| 'L' | byte | ASCII character ‘L’ |
| 'L' | byte (repeated) | |
| select | byte | designated channels; ‘1’ at bit position selects the channel |
| select | byte (repeated) | b0 = channel1,…,b7 = channel8; all ‘0’ = timing |
| count | word | = number of data words to follow; HiAddr = count-1 |
| data | word | |
| data | word | |
| …… | words | |
| undefined length (at least 8 bytes) |
Download one by one (timing and all waveforms) and then send 'F' command.