Details Of The Commands - JVC VR-509E Instructions Manual

RS-232C Interface

3. Details of the Commands

The numbers within parenthesis indicate the corresponding table.
3.1. RETURN CODE
• ERROR (02H) [BASIC/JVC-1]
The ERROR is returned when the VR-509 receives an un-
receivable command related to a series of commands. This
command will not be accepted when sent, and only the
status SENSE command will be returned (the status
SENSE command is also valid in error modes, and is
returned). Enter the CLEAR ERROR (41H) or CLEAR
(56H) commands to clear this mode.
Enter the CLEAR ERROR (41H) command to delete
numerical commands entered (transmitted) at the end of
TD SEARCH and other numerical commands, and enter
the CLEAR (56H) command to clear all commands.
Buffering will not be performed for other parameters that
are received while the error mode is in progress.
• ACK (0AH) [BASIC/JVC-1]
The return code that is returned when a command that is
defined on the specified table is received, regardless of the
operation.
• NAK (0BH) [BASIC/JVC-1]
The return code that is returned when a non-defined
command or a command belonging to a function with
which the VR-509 is not equipped is received. NAK is
returned and the system set at standby to receive the next
command when five or more seconds elapse after
parameter receipt.
Command and return code responses
CMD PARAMETER 1
ACK or NAK
3.2. Operation Commands
• PLAY (3AH) [BASIC/JVC-1]
Activates the PLAY mode.
* During EE: Displays the playback menu
During playback menu display:
Playback (when continual playback has been selected)
During PB (when paused): Playback
During PB (other situations): Still
• SHUTTLE FWD x3 (3BH) [BASIC]
• SHUTTLE FWD SLOW (3CH) [BASIC]
• SHUTTLE FWD STILL (3DH) [BASIC]
• SHUTTLE FWD x15 (3EH) [BASIC]
Activates the shuttle forward mode.
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PARAMETER 2 PARAMETER n
ACK or ERR ACK or ERR or NAK
• STOP (3FH) [BASIC/JVC-1]
Activates the STOP mode. Activates the REC mode when
in the REC+PLAY mode (only playback stopped).
Does not stop recording.
* During playback: Displays the playback menu.
During playback menu display: To the EE screen
• REV PLAY (4AH) [BASIC]
Activates the -x1 PLAY mode.
• SHUTTLE REV x3 (4BH) [BASIC]
• SHUTTLE REV SLOW (4CH) [BASIC]
• SHUTTLE REV STILL (4DH) [BASIC]
• SHUTTLE REV x15 (4EH) [BASIC]
Activates the shuttle reverse mode.
• STILL (4FH) [BASIC/JVC-1]
Activates the STILL mode during playback.
• PB STOP (5FH) [JVC-1]
The STOP command for specific use during playback.
Activates the REC mode when in the REC+PLAY mode.
* During PB: Displays the playback menu.
During playback menu display: To the EE screen.
• TIMER/MODE ON (60H) [JVC-1]
TIMER/MODE switch: Set of ON.
• TIMER/MODE OFF (61H) [JVC-1]
TIMER/MODE switch: Set of OFF.
• TD SKIP FWD (90H) [JVC-1]
The command to jump in the forward direction for the time
set in the MENU x the number of jumps. The number of
jumps is a numerical command that is specified with two
characters. Only valid during PB (maximum 99).
TXD
90H
RXD
0AH
0AH 0AH
• TD SKIP REV(91H) [JVC-1]
The command to jump in the reverse direction for the time
set in the MENU x the number of jumps. The number of
jumps is a numerical command that is specified with two
characters. Only valid during PB (maximum 99).