FOR-A MV-1600, Руководство по эксплуатации

Страница: 63 / 88

7
(2) When ALARM / VIDEO LOSS Data Addition is set to On
Image data format
Screen Code + Alarm data + Video loss data + Data size + JPEG image data
(1 byte) (2 bytes) (2 bytes) (4 bytes) (Variable length)
Alarm data: Displays the channel where an alarm signal is received.
Video loss data:
Displays the channel where a video loss is occurring.
Byte Parameter Data Description
0x80 - 0x8F Full screen display of CH1-CH16
0xA0
Quad screen
(screen size 640x480pixels)
0xA1
Quad screen
(screen size 1280x960pixels)
0xA2
16-split screen
(screen size 640x480pixels)
1 Screen code
0xA3
16-split screen
(screen size 1280x960pixels)
2-3 Alarm data
0x0000 -
0xFFFF
Bit No. 0 - 15
Bit value 0: No alarm
Bit value 1: Alarm received
4-5 Video loss data
0x0000 -
0xFFFF
Bit No. 0 - 15
Bit value 0: No video loss
Bit value 1: Video loss occurring
6-9 Data size 0xXXXXXXXX
Data size of transmitting JPEG
image data.
10
·
·
(data size) +10
JPEG Image data JPEG data JPEG image data
e.g.) When alarm inputs are received at CH1, CH11 and CH16, the 2nd and 3rd bytes are
"0x8401".
Channel
CH
16
CH
15
CH
14
CH
13
CH
12
CH
11
CH
10
CH
9
CH
8
CH
7
CH
6
CH
5
CH
4
CH
3
CH
2
CH
1
Bit No. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Bit value 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
Byte value 8 4 0 1
IMPORTANT
Image data formats are all in binary data. See section 2-10. "Add Data in Image
Data Format Command" for the details on ALARM/VIDEO LOSS data settings.