A zoom or focus move in <StartZoomFocus>.
optional
channelId: number
Zero-based channel, 0 to 63.
optional
command: "stop"
| "left"
| "right"
| "up"
| "down"
| "leftUp"
| "leftDown"
| "rightUp"
| "rightDown"
| "irisDec"
| "irisInc"
| "zoomDec"
| "zoomInc"
| "focusDec"
| "focusInc"
| "setPos"
| "delPos"
| "toPos"
| "auto"
| "highSpeed"
| "startPatrol"
| "stopPatrol"
| "clearPatrol"
| "enablePattern"
| "startPattern"
| "stopPattern"
| "startSavePattern"
| "stopSavePattern"
| "cleanPattern"
| "zoomPos"
| "focusPos"
| "zoomStepInc"
| "zoomStepDec"
| "focusStepInc"
| "focusStepDec"
| "setGrd"
| "toGrd"
The PTZ command, one of the 37 names _get_ptz_cmd accepts. Only
zoomPos and focusPos move to movePos; the camera decides which
others it acts on.
optional
movePos: number
Target position; the firmware rejects a negative value.