RS-232C INTERFACE – RS-232C commands – (continued)
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| E7 | TIMER MODE SELECT : | ||||
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| For selecting the counter mode. Fol- | ||||
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| lowing this command, send | ||||
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| data corresponding to the counter | ||||
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| mode. |
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| High | Low | Counter mode |
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| 3 | 1 | TC |
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| 2 | CTL |
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| (Fixed) |
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| 5 | UB |
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| 8E | DATA SELECT : |
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| For setting the date. Following this | ||||
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| command, send | ||||
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| Specify month, date and year (in this | ||||
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| sequence) with two digits for each. | ||||
| 8F | TIME SELECT : |
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| For setting the time. Following this | ||||
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| command, send | ||||
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| Specify hour, minute and second (in | ||||
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| this sequence) with two digits for each. | ||||
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Menu switch setup command
● ED: MEMORY SW PRESET (B/J1)
This command is for changing the VCRÕs menu switches. Following this command, transmit the data (3 bytes) corresponding to the menu switch to be changed.
Example: Set SYNC SELECT to EXTERNAL.
In the diagram below, the data corresponding to the setting of EXTERNAL show that DATA 0, D2 No. 1 bit and D2 No. 0 bit are, respectively, 01, 0 and 1. Set the command by transmitting data in a way that the corresponding bit values match them.
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| DATA0 | D1 | D2 |
TXD | EDH |
| 01H |
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RXD |
| 0AH | 0AH | 0AH | 0AH |
Bit No. 7 6 5 4 3 2 1 0
D2
EXTERNAL : 0 1
●D3: MEMORY SW SENSE (J1)
This command is for checking the VCRÕs menu switch setting. Following this command, transmit the data (DATA0) corresponding to the menu switch to be checked.
You can confirm the setting with the bit count of the returned data (D1, D2).
Example: Check the SYNC SELECT setting.
As in the diagram below, the setting can be checked by confirming the values for the menu switch. In this example, check the values for DATA0 (namely 01), D2 No. 1 and No. 0 of the returned data.
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TXD | D3H | 01H |
RXD |
| 0AH |
D1 D2
Bit No. 7 6 5 4 3 2 1 0
D2
AUTO : 1 1
EXTERNAL : 0 1
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