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)

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

Monitor 1 display

000:

Full screen

5

mode indication

001:

4 divisions split screen

 

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

 

 

 

0011: Channel 4

 

 

(4 divisions split screen)

 

 

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

 

 

1000: (ALARM DATA) menu

Second byte

Bit

 

Bit state information

7

EXT/ALARM

EXT and ALARM are ON

 

indication

 

6

VIDEO LOSS

VIDEO LOSS is ON

 

indication

 

5

SENSOR indication

SENSOR is ON

4

Reserved

0

3

Monitor 1 display

0000: Normal display mode

2

state mode indication

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

Third byte

Bit

 

Bit state information

7

Reserved

–

6

Reserved

–

5

Monitor 2 operation

MON2 setup

4

Monitor 2 operation

0: Full screen

 

 

1: Sequential display

3

Monitor 2 displayed

0000: Channel 1

2

channel

0001: Channel 2

 

1

 

0010: Channel 3

0

 

0011: Channel 4

ALARM STATUS SENSE(D5)

The external and video loss 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

0

 

7

0

6

0

 

6

0

5

0

 

5

0

4

0

 

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

0

 

7

0

6

0

 

6

0

5

0

 

5

0

4

0

 

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

0

 

7

0

6

0

 

6

0

5

0

 

5

0

4

0

 

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

36

English