84RS-232C$ Query control commandsData transmitted by PC Data returned from unit in response Description of command[STX] QAL [ETX] [STX] ALV0 [ETX] Queries the address level. It supports only address level 0in the MIS standards.[STX] QAM:m [ETX]Parameterm = M: MODEQueries the recordingmode when an alarm signalhas been input.F: FIELD/FRAMEQueries the recordingmode in which alarmrecording and/or sensorrecording is to beperformed.P: PICTRE QUALITYQueries the picture qualitywith which alarm recordingand/or sensor recording isto be performed.T: ALARM 1/2 REC-TYPEQueries the recording typeto be used when an alarmsignal has been input toALARM IN 1 or 2.[STX] LDmdata [ETX]Parameterm = M: MODEm = F: FIELD/FRAMEm = P: PICTRE QUALITYm = T: ALARM 1/2 REC-TYPEdata =m:nm = 0—7: ALARM IN 1 recordingtypen = 0—7: ALARM IN 2 recordingtypedata =H: HIGHRecording at a high picturequalityN: NORMALRecording at the standardpicture qualityF: NO CHANGERecording at the picturequality currently setdata =I: Field recordingR: Frame recordingdata =F: OFFAlarm signal input is ignored.M: ALARM/SENSORAlarm recording and/or sensorrecording is performed.A: ALARMAlarm recording is performed.S: SENSORSensor recording isperformed.Queries the alarm recording and sensor recording settings.[STX] QBM [ETX] [STX] LBMm [ETX]Parameterm = N: ONThe black burst signal isoutput.F: OFFThe black burst signal is notoutput.Queries the processing of the black burst signal when thevideo signals to be output from the video signal outputconnector are switched.