User Manual

32
5.1.7.1 LED control mode
There are 4 control modes of LED, i.e. DI, Direct, Timer, and Light sensor.
DI mode (default): in this mode, LED on/off is controlled by DI signal
Direct mode: LED on/off is controlled by command through RS485
Timer mode: set the periodical on/off time to control LED automatically
Light sensor mode: LED is controlled by light sensor status. If ambient light is lower than threshold level,
LED turns on, else off.
Command format: Get
Byte number
1
2
3
4
5
6
7
Byte Definition
Sync
Addr
Cmd1
Cmd2
Data1
Data2
ChkSum
Query LED control
mode
0xFF
0x01
0x02
0x6D
0x00
0x00
--
Response Format:
Byte number
1
2
3
4
5
6
7
Byte Definition
Sync
Addr
Resp1
Resp2
Data1
Data2
ChkSum
Extended Response
0xFF
0x01
0x00
0x00
0x00
LED ctrl
mode
--
LED ctrl mode: (0)DI/(1)Direct/(2)Timer/(3) Light Sensor
Command format: Set
Byte number
1
2
3
4
5
6
7
Byte Definition
Sync
Addr
Cmd1
Cmd2
Data1
Data2
ChkSum
Set LED control
mode
0xFF
0x01
0x82
0x6D
0x00
LED ctrl
mode
--
Response Format:
Byte number
1
2
3
4
Byte Definition
Sync
Addr
Faults
ChkSum
General Response
0xFF
0x01
--
--
5.1.7.2 Fade in/out control
Fade in/out control the on/off behavior of LED, to avoid sudden LED on/off at which may cause camera
over-exposure or under-exposure.
Off: the LED is on or off immediately.
Fast: the LED fades in or out in 1 second.
Slow: the LED fades in or out in 3 seconds.
Command format: Get
Byte number
1
2
3
4
5
6
7
Byte Definition
Sync
Addr
Cmd1
Cmd2
Data1
Data2
ChkSum
Query Fade in/out
0xFF
0x01
0x04
0x6D
0x00
0x00
--