Document the new node options in the readme

List the value scale for all three nodes, the blank-on-stop option for the
sender, and note that recorded scenes are now persisted to disk.

Author: mutec

README.md

@@ -38,6 +38,7 @@ This node can be used to read one or multiple universes sent by sACN.
 | trigger    | Controls when a message is emitted: only on change, on every received packet, or on change plus a cyclic keepalive re-emit.    | `changes`, `always`, `interval`                                | `changes`                    | yes       |
 | interval   | Keepalive interval in milliseconds for the `interval` trigger; the full universe is re-emitted when no change arrives in time. | `\d+`                                                          | `1000`                       | no        |
 | clearOnUniverseChange | When the observed universe is switched at runtime, emit a full universe of zeros until real data for the new universe arrives. | `true`, `false`                                     | `false`                      | no        |
+| values     | Emit channel values as a percentage (0–100) or as raw DMX values (0–255).                                                     | `percent`, `absolute`                                          | `percent`                    | yes       |
 | IP-address | IP-Address of the network-interface that should be used for reading from sACN.                                                | `\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\` (_any valid ip-address_) | _empty_                      | no        |
 | port       | The network port which should be used for reading sACN.                                                                       | `\d+`                                                          | _empty_ (defaults to `5568`) | no        |
 
@@ -74,6 +75,8 @@ This node can be used to send one universe using sACN.
 | source-name | The name for the sACN-sender that should be displayed within the network. | _any string below 50 characters_                               | `Node-RED`                   | yes       |
 | speed       | Defines the frequency for sending sACN-packages                           | `once (0Hz)`, `24Hz`, `27Hz`, `30Hz`, `40Hz`, `44Hz`           | `0Hz`                        | yes       |
 | priority    | The priority that should be used for the sACN-sender.                     | `\d+` (`1` to `200`)                                           | `100`                        | yes       |
+| values      | Interpret the payload as a percentage (0–100) or as raw DMX values (0–255). | `percent`, `absolute`                                         | `percent`                    | yes       |
+| blank-on-stop | Send an all-zero frame before closing so receivers go dark on stop.     | `true`, `false`                                                | `false`                      | no        |
 | IP-address  | IP-Address of the network-interface that should be used for sending sACN. | `\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\` (_any valid ip-address_) | _empty_                      | no        |
 | port        | The network port which should be used for reading sACN.                   | `\d+`                                                          | _empty_ (defaults to `5568`) | no        |
 
@@ -89,7 +92,11 @@ This node can be used to record scenes and play them afterwards.
 
 #### Parameters:
 
-This node has no configuration parameters; its behaviour is controlled entirely through the incoming message.
+| Parameter | Description                                                                    | Possible Values       | Default Value | Mandatory |
+| --------- | ------------------------------------------------------------------------------ | --------------------- | ------------- | --------- |
+| values    | Interpret channel values as a percentage (0–100) or as raw DMX values (0–255). | `percent`, `absolute` | `percent`     | yes       |
+
+Recorded scenes are stored on disk (in a `sacn-scenes` directory inside the Node-RED user directory) and survive a restart.
 
 #### Expected input: