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+This page lists the JSON strings that can be sent to the ZMQ REQ/REP port in order to request actions by Pixelator. The ZMQ messages must be sent in the format:
+
+`[HEADER, {"key1":"value1","key2":"value2","key3":"value3"}]`
+
+Request messages are typically responded to by a simple \["status", "ok"\] response on the REQ/REP port and the publication of further data on the PUB/SUB port.
+
+## 'initialize'
+
+## 'recordedChannels'
+
+## 'detectorSettings'
+
+## 'updateDetectorSettings'
+
+## 'estimatedTime'
+
+## 'scanRequest'
+
+## 'abortScan'
+
+## 'pauseScan'
+
+## 'resumeScan'
+
+## 'scanStatus'
+
+## 'moveRequest'
+
+## 'moveStatus'
+
+## 'homeRequest'
+
+## 'positionerStatus'
+
+## 'modified positioner definition'
+
+* "name": (required) Positioner name. Must exist as a defined positioner.
+
+  Further optional keys correspond to the [positioner base settings](Config_Positioner#base-settings).
+*  "`positionOffset"`
+* `"upperSoftLimit"`
+* `"lowerSoftLimit"`
+* `"autoOff"`
+
+Successful modification of the positioner definition will result in the publication of the new positioner definition in full.
+
+## 'modified zonePlate definition'
+
+## 'zonePlateFocus'
+
+## 'oscilloscopeDefinition'
+
+## 'focusType'
+
+## 'scanTypeArchive'
+
+## 'localFileScanTypeArchive'
+
+## 'allMotorsOff'
+
+## 'resetInterferometer'
+
+## 'OSA_IN'
+
+## 'OSA_OUT'
+
+## 'ZonePlate IN'
+
+## 'ZonePlate OUT'
+
+## 'Sample OUT'
+
+## 'topupMode'
+
+## 'beamShutterMode'
+
+## 'loadFile directory'
+
+## 'loadFile file'
+
+## 'loadDefinition'
+
+## 'change user'
+
+## 'script info'
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