RS232C CONTROL
INFORMATION GATHERING COMMANDS
STATUS SENSE(D7)
When this command is sent from the computer, this unit will send a
RXD | D7 |
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TXD |
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| d1 |
| d2 |
| d3 |
| d4 |
| d5 |
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STATUS SENSE(D7) byte assignment (Table 1)
Fourth and fifth bytes are reserved.
First byte
Bit |
| Bit state information | ||
7 | LIVE/VCR indication | 0: LIVE picture mode | ||
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| 1: VCR playback mode | ||
6 | Monitor 1 display | 000: | Full screen | |
5 | mode indication | 001: | 4 divisions split screen | |
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4 |
| 010: | Menu display | |
3 | Monitor 1 displayed | (Full screen mode) | ||
2 | channel depending | 0000: Channel 1 | ||
on the display mode | ||||
1 | 0001: Channel 2 | |||
indication | ||||
0 | 0010: Channel 3 | |||
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| 0011: Channel 4 | ||
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| (4 divisions split screen) | ||
Third byte
Bit |
| Bit state information |
7 | Reserved | – |
6 | Reserved | – |
5 | Monitor 2 operation | MON2 setup |
4 | Monitor 2 operation | 0: Full screen |
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| 1: Sequential display |
3 | Monitor 2 displayed | 0000: Channel 1 |
2 | channel | 0001: Channel 2 |
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1 |
| 0010: Channel 3 |
0 |
| 0011: Channel 4 |
ALARM STATUS SENSE(D5)
The external and video loss alarm states are indicated by a
RXD | D5 |
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TXD |
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| d2 |
| d3 |
| d4 |
| d5 |
| d6 |
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ALARM STATUS SENSE(D5) byte assignment (Table 2)
0000: 4 divisions split screen (channels |
1, 2, 3, 4) |
(Menu display) |
0000: (LANGUAGE/LANG./IDIO.) menu |
0001: (CLOCK SET) menu |
0010: (TITLE SET) menu |
0011: (ALARM SET) menu |
0100: (SENSOR SET) menu |
0101: (TIMER SET) menu |
0110: (DISPLAY SET) menu |
0111: (VCR SET) menu |
First byte
Bit
70
60
50
40
3ALARM ON 4
2ALARM ON 3
1ALARM ON 2
0ALARM ON 1
Second byte
Bit
70
60
50
40
30
20
10
00
1000: (ALARM DATA) menu |
Second byte
Bit |
| Bit state information |
7 | EXT/ALARM | EXT and ALARM are ON |
| indication |
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6 | VIDEO LOSS | VIDEO LOSS is ON |
| indication |
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5 | SENSOR indication | SENSOR is ON |
4 | Reserved | 0 |
3 | Monitor 1 display | 0000: Normal display mode |
| state mode indication |
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Third byte
Bit
70
60
50
40
3SENSOR 4
2SENSOR 3
1SENSOR 2
0SENSOR 1
Fourth byte
Bit
70
60
50
40
30
20
10
00
2 | 0001: Sequential display mode |
1 | 0010: Zoomed in mode |
0 | 0011: Still image mode |
| 0100: Frozen zoomed in image |
| 0101: Zoomed in still image |
| 0110: Zoom range setting mode |
| 0111: Zoomed in still image range setting |
| mode |
Fifth byte
Bit
70
60
50
40
3VIDEO LOSS 4
2VIDEO LOSS 3
1VIDEO LOSS 2
0VIDEO LOSS 1
Sixth byte
Bit
70
60
50
40
30
20
10
00
36 | English |
