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9PIN |
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Pin NO. | Signals |
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| Receive data |
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3 |
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| Transmit data |
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4 |
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| Data terminal ready | VTR [ PC | ||||||||||
5 |
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| Signal ground |
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| Data set ready |
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Note: PC means a controller such as a personal computer. | ||||||||||||||||
Mode |
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Character length : | 8 bits |
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Parity check | : | None |
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Start bit |
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Stop bit |
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Data rate |
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Bit structure |
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| D0 | D1 | D2 |
| D3 | D4 | D5 |
| D6 | D7 |
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Start bit |
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ASCII code table |
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Use this table to express the values or alphabets on the |
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0 | 1 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 A B C D E | F |
0 | SP | 0 |
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1 |
| 1 | A | Q | a | q |
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2 |
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3 |
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4 |
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5 |
| 5 | E | U | e | u |
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6 |
| 6 | F | V | f | v |
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7 |
| 7 | G | W | g | w |
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8 |
| 8 | H | X | h | x |
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9 |
| 9 | I | Y | i | y |
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An optional | Preparation |
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and connected to a personal computer. Data transmitted and | To control the VCR via the | ||||||
received via the | |||||||
050 <REMOTE SELECT> menu switch to “RS232C”, “IEEE | |||||||
the VCR and gather status and operating information. | |||||||
1394 + RS232C”, “JVC BUS + RS232C” or “JVC BUS + | |||||||
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VCR operation commands |
| RS232C + 1394”. |
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These commands are used to operate the VCR. When the command is | (e.g.) | TXD | 3Ah | ||||
received correctly, the VCR returns ACK (OAh) and enters the mode | |||||||
corresponding to the command. |
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| Playback | RXD | 0Ah | ||
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Commands | Description |
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3A | PLAY | Play |
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3B | FWD X2 | 2x play |
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3C | FWD X0.2 | 0.2x play |
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3D | Pause |
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3E | FWD X10 | 10x play |
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3F | STOP | Stop |
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4A | REV X1 | Reverse play |
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4B | REV X2 | 2x reverse play |
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4C | REV X0.2 | 0.2x reverse play |
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4D | Pause |
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4E | REV X10 | 10x reverse play |
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4F | STILL | Pause |
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7B | OPERATE ON | Operating mode ON |
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7C | OPERATE OFF | Operating mode OFF |
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A0 | STANDBY ON | Standby ON |
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A1 | STANDBY OFF | Standby OFF |
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A2 | PREROLL | Preroll |
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A3 | EJECT | Eject cassette |
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AB | FF | ||||||
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AC | REW | Rewind. When this command is transmitted during playback, reverse playback starts | |||||
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AD | Advances one frame. This command should be transmitted in the | ||||||
AE | Reverses one frame. This command should be transmitted in the | ||||||
B2 | CUE UP WITH DATA | Use this command to cue up a specified point on the tape. When the tape is cued, | |||||
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| COMPLETION is returned and the Pause mode is engaged. |
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| To specify the cue point, transmit the time data (hour: minute: second: frame, a total | |||||
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B3 | CUE UP AND PLAY | Use this command to cue up a specified point on the tape. |
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| WITH DATA | When the tape is cued, COMPLETION is returned and the Play mode is engaged. | |||||
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B5 |
| Shuttle play. The search speed is specified by sending the speed code data after this | |||||
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| Speed code table (corresponding speed) |
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| Speed code | Search speed |
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| 30h | Still |
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| 31h | 0.1 |
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| 33h | 0.2 |
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| 34h | 0.3 |
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| 35h | 1 |
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| 36h | 2 |
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| 37h | 5 |
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| 38h | 10 |
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32 | 33 |