2) Commands relating to inquiries<Notes>• As for the return (completion) message, [ACK] is first returned when data is received, and theexecution message is subsequently returned. It is only the execution message which is listed inthis table.• In the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK]has been returned.
VTR
operation
CTL/TC
DATA
REQUEST
Return (completion)
Send command message
Supplementary notes
[STX] QCD [ETX] [STX] CD data [ETX]
This command is for inquiring about the counter value.
data = f w gh mm ss ff
f=F
W= S
gh =
CTL: g = SP (20h): for a plus display
 (2Dh):
for a minus display
h = O~9: hours
TC: gh = 00~23: hours
mm = 00~59: minutes
ss =
00~59: seconds
ff = 00~29: frames (NTSC)
00~24: frames (PAL)
CTL or TC is returned,
whichever corresponds
to the front display
mode.
STATUS
REQUEST
This command is for inquiring about the VTR’s operation
[STX] QOP [ETX] [STX] xxx [ETX]
mode.
xxx =OEJ: EJECT
OFF: FAST FORWARD
OPL: PLAY
ORC: R E C
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.)
REQUEST
[STX] QID [ETX] [STX] data [ETX]
This command is for inquiring about the VTR used.
data = for NTSC system: AJ-D750, AJ-D650, AJ-D640
for PAL system: AJ-D750E, AJ-D650E, AJ-D640E
–E-12–