Manuals / Panasonic / TV and Video / VCR

Panasonic AJ-SD755 $ Commands relating to inquiries, RS-232C interface, 222 =

Models: AJ-SD755

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RS-232C interface

$ Commands relating to inquiries

<Notes>

O As for the return (completion) message, [ACK] is first returned when data is received, and the execution message is subsequently returned. It is only the execution message which is listed in this table.

O In the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK] has been returned.

VTR	Send command				Return (completion)
operation	Send command					message
operation						message

CTL/TC DATA	[STX] QCD [ETX]			45 [STX] CD data [ETX]
REQUEST
	This command is for inquiring about the counter
	value.
	data = f w gh mm ss ff
		f	= F
		w	= S
		gh =
	CTL mode:
		g = SP (20h) : for a plus display
			– (2Dh) : for a minus display
		h	= 0 – 9		: hours
	TC mode:
		gh	= 00 – 23		: hours
		mm = 00 – 59			: minutes
		ss	= 00 – 59		: seconds
		ff	= 00 – 29		: frames
	<Note>
	CTL or TC is returned, whichever corresponds to
	the front display mode.

STATUS	[STX] QOP [ETX]			45		[STX] 222 [ETX]
REQUEST
	This command is for inquiring about the VTR’s
	operation mode.
	222 =
	OEJ	: EJECT
	OFF	: FAST FORWARD
	OPL	: PLAY
	ORC : REC
	ORW : REWIND
	OSP : STOP (including the STANDBY ON)
	SRS	: (IN/OUT) PREROLL
	OBF	: STANDBY OFF
	OSF	: SHTL FORWARD
	OSR	: SHTL REVERSE
	OJG : JOG FORWARD/REVERSE
	OSW : VAR FORWARD/REVERSE
	EAE	: AUTO EDIT
	EON	: EDIT ON (MANUAL EDIT)
	EPV	: PREVIEW
	ERV	: REVIEW

ID (VTR No.)	[STX] QID [ETX]			45		[STX] data [ETX]
REQUEST
	This command is for inquiring about the VTR
	used.
	data = AJ-SD755P

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Panasonic AJ-SD755 operating instructions $ Commands relating to inquiries, RS-232C interface, 222 =

Contents

Model No. AJ-P Operating InstructionsDigital Video Cassette Recorder $ THIS APPARATUS MUST BE GROUNDED indicates safety informationContents Video output signals and servo referenceIntroduction Optional interface boardsFeatures O Menu-based setupLight and compact Up to 184 minutes of recording1 POWER switch 2 Format display area Parts and their functionsFront panel DVCPRO6 PLAY button 7 REC button8 STOP button 9 FF buttonSHTL shuttle mode SLOW modeJOG mode This lights in the JOG modeFULL mode FINE modeE ASSEM button F INSERT buttonsO Headphone jack and volume control R Audio level control selector switch UNITYS TC PRESET button Front panelW SUPER switch ON X REC INH switchY TCG switch REGEN PRESETAnalog component video signals Analog composite video signalsSerial digital video signals option Compressed digital signals option9 EDIT, EDIT REC, REC and REC INH lamps EDIT EDIT RECREC INH Tape transport displays6Remote control connectors These connectors make it possible to use two of2 DIGITAL AUDIO IN and OUT connectors 4 ANALOG COMPOSITE VIDEO IN connectors and 75 Ω termination switchA PARALLEL REMOTE connector B ANALOG AUDIO OUT connectorsCMONITOR OUT connectors = SIGNAL GND terminalConnections Source machineRecorder Connections with editing controller AV switcherConnections Tapes Consumer-use DV and DVCAM cassettesM cassettes L cassettesJog mode Shuttle modeJog/Shuttle Manual editing PrerollASSEMBLE INSERTSwitch settings and adjustments When using the AJ-SD755 as the recorderWhen using the AJ-SD755 as the player Automatic editing deck-to-deckSelecting the editing mode Registering the edit points1 /2 1 /3How to calculate the duration Checking and previewing edit points2 1 /3 Automatic editing deck-to-deck3 Resetting edit points O Resetting both an edit IN point and OUT pointModifying edit points 1 Re-registering an edit pointExecuting and reviewing automatic editing Post-rollingRetry function Auto tag function recorder sideAudio split editing $ Registering the edit points$ Clearing the edit points $ Modifying edit points$ Duration display Between the video IN and OUT pointsBetween the audio IN and OUT points Match frame processing systemVariable memory editing operation procedure $ Selecting the variable memory mode$ Releasing variable memory mode Variable memory editingChanging the settings Setup initial settingsSetup menus Setting and releasing the lock modeTo set the lock mode To release the lock modeLoading user files Setup menusLock mode can be set Lock mode can be set Lock mode can be set Lock mode can be setAutomatically recalling a user file when turning on the power Saving user filesSetup menus SYSTEM menu Setup menusThis selects the signal to output from the This selects whether the video output signalSetup menus Factory settings will remain unchanged even if anThis sets whether the system phase is to be SYSTEM menuUSER menu BASIC Setup menusUSER menu BASICSetup menus OPERATION Setup menusstatus is established when the MODE switch SG has been selected for the input signals by theMemory stop function Setup menusautomatically to the tape start when the tape automatically when the counter value reachesSetup menus This selects whether to enable or disable theUSER menu OPERATIONINTERFACE Setup menusUSER menu EDIT Setup menusUSER menu Setup menus USER menuEDIT TAPE PROTECT Setup menusUSER menu TIME CODE Setup menusUSER menu V OUTSetup menus superimposed onto the output video signal isThis selects how the phase alignment for the USER menuSetup menus USER menuVIDEO Setup menus transferred to the sub-screen, and the setup levelbe recorded on the tape regardless of the setting USER menuSetup menus USER menuVIDEO This selects the basic UMID information to beSetup menus USER menuAUDIO USER menu AUDIO Setup menusSetup menus signals during DV or DVCAM format playbackUSER menu AUDIOV BLANK Setup menusFor selecting the mode for recording signals For selecting the type of teletext signals to beNumber of lines which can be set for TELETEXT Setup menusUSER menu V BLANKMENU Setup menusThis selects the user file whose contents will This loads the contents of the selected userSetting the internal time code Time code/user bitTime code User bitSetting the external time code Reproducing the time code/user bitVITC Time code/user bitOperation mode Superimpose screenCharacters displayed Display positionVideo output signals and servo reference signal External synchronization of video output signalsServo reference signal Video output signals and servo reference signalSynchronization with the REF VIDEO input signal Synchronization with the video input signalAudio V fade function Audio recording channel and monitor output selection Printed circuit boardAudio recording channel Monitor output channelRack mounting Video head cleaning MaintenanceCondensation Attaching the dust coverError messages DIAG menu$ Displaying the DIAG menu $ “WARNING” information display$ Displaying the “HOURS METER” information $ UMID information displayError messages Warning messages Error messagesError messages Error messageswithin 6 seconds, the VTR is transferred to the Error messages Error messagesOVTR operation and corrective action motor is detected or an abnormal current flowingHardware specifications $ Conditions for acknowledging commands from RS-232C interfaceExternal interface specifications O Connector specificationsSoftware specifications Protocol command$ Outline of send procedure from controller 1. Communication parameters4. Error code table $ When the communication has terminated normallySend command Return message data STX OPL ETX 5 ACK STX OPL ETX $ When the communication has terminated abnormally5. Command table $ Commands relating to operation controlRS-232C interface $ Commands relating to inquiries RS-232C interface222 = Precautions to observe when using the SDTI signals SDTI interfaceConnections involving two units Connector signals VIDEO INVIDEO OUT AUDIO INPARALLEL REMOTE 25P RS-232CENCODER 15P D-SUB 25-pin crossover cable supportedSpecifications $Video input connectorGENERAL VIDEOOther Input/Output Connectors $Video output connector$Video signal adjustment $Audio input connectorPANASONIC BROADCAST & TELEVISION SYSTEMS COMPANY