RS232C CONTROL

INFORMATION GATHERING COMMANDS

STATUS SENSE(D7)

When this command is sent from the computer, this unit will send a 5-byte response (see Table 1).

RXD

D7

 

 

 

 

 

 

 

 

 

 

 

TXD

 

 

d1

 

d2

 

d3

 

d4

 

d5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATUS SENSE(D7) byte assignment (Table 1)

The third, fourth and fifth bytes are reserved.

First byte

Bit

 

Bit state information

7

LIVE/VCR indication

0: LIVE picture mode

 

 

1: VCR playback mode

6

3-bit indication of the

000:

Full screen

5

display mode

001:

Quad screen

 

4

 

010:

Menu display

3

4-bit indication of the

(Full screen mode)

2

channels and quad

0000: Channel 1

screen displayed

1

0001: Channel 2

 

0

 

0010: Channel 3

 

 

0011: Channel 4

 

 

(Quad screen)

 

 

0000: Quad screen A (1, 2, 3, 4)

 

 

0001: Quad screen B (5, 6, 7, 8)

 

 

(Menu display)

 

 

0000: Menu 1

 

 

 

(LANGUAGE/LANG./SPRACHE)

 

 

0001: Menu 2 (CLOCK SET)

 

 

0010: Menu 3 (TITLE SET)

 

 

0011: Menu 4 (ALARM SET)

 

 

0100: Menu 5 (VIDEO SENSOR SET)

 

 

0101: Menu 6 (TIMER SET)

 

 

0110: Menu 7 (DISPLAY SET)

 

 

0111: Menu 8 (VIDEO LOSS SET)

 

 

1111: Menu 9 (ALARM DATA)

Second byte

Bit

 

Bit state information

7

EXT/ALARM

EXTERNAL ALARM is ON

 

indication

 

6

VIDEO LOSS

VIDEO LOSS is ON

 

indication

 

5

SENSOR indication

SENSOR is ON

4

Reserved

0

3

4-bit indication of the

0000: Normal display mode

2

display mode

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

ALARM STATUS SENSE(D5)

The external, video loss and video sensor alarm states are indicated by a 6-byte response (see Table 2).

RXD

D5

 

 

 

 

 

 

 

 

 

 

 

 

 

TXD

 

 

d1

 

d2

 

d3

 

d4

 

d5

 

d6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALARM STATUS SENSE(D5) byte assignment (Table 2)

First byte

 

Second byte

Bit

 

 

Bit

 

7

ALARM ON 8

 

7

0

6

ALARM ON 7

 

6

0

5

ALARM ON 6

 

5

0

4

ALARM ON 5

 

4

0

3

ALARM ON 4

 

3

0

2

ALARM ON 3

 

2

0

1

ALARM ON 2

 

1

0

0

ALARM ON 1

 

0

0

Third byte

 

Fourth byte

Bit

 

 

Bit

 

7

SENSOR 8

 

7

0

6

SENSOR 7

 

6

0

5

SENSOR 6

 

5

0

4

SENSOR 5

 

4

0

3

SENSOR 4

 

3

0

2

SENSOR 3

 

2

0

1

SENSOR 2

 

1

0

0

SENSOR 1

 

0

0

Fifth byte

 

Sixth byte

Bit

 

 

Bit

 

7

VIDEO LOSS 8

 

7

0

6

VIDEO LOSS 7

 

6

0

5

VIDEO LOSS 6

 

5

0

4

VIDEO LOSS 5

 

4

0

3

VIDEO LOSS 4

 

3

0

2

VIDEO LOSS 3

 

2

0

1

VIDEO LOSS 2

 

1

0

0

VIDEO LOSS 1

 

0

0

English

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