User Manual

Command Reference
86 Elektronik-Systeme Lauer, MAEN976
6.41 LAU_CONFIG_GETECDISCONTRAST
(0x0116)
ECDIS Default Contrast Level
If ECDIS mode is enabled, the backlight and video controller are configured with
predefined settings. This command returns the predefined contrast level used to set-
up the video controller in ECDIS mode.
Supported since Firmware Version
MT223 NAV-230G: 1.0
MT226 NAV-230G: 1.0-DSCALE2
Command Stream
Response Message (Acknowledge)
Response Message (Negative Acknowledge)
Under normal operation conditions, a device never sends a negative acknowledge in
response to this command.
Maximum Lr for this Command
9
Example
Read the predefined contrast level of the monitor at address 0.7 (group 0, address 7),
which is used in ECDIS mode:
According to the data returned by the monitor at address 0.7 (group 0, address 7),
the predefined contrast level in ECDIS mode is 64 (0x40):
0 1 2 3 4 5 6 7...8 9
0x07 ADR
0x4C 0x41 0x55 0x02 ICHKH 0x01 0x16 ICHKD
0 1 2 3 4 5 6 7 8
0x06 ADR
0x4C 0x41 0x55 0x01 ICHKH Ret ICHKD
Ret
Value: 0...255
Type: Byte
Length: 1
Description: Contrast level value used in ECDIS mode
0 1 2 3 4 5 6 7...8 9
0x07 0x07 0x4C 0x41 0x55 0x02 0x0D 0x01 0x16 0xE8
0 1 2 3 4 5 6 7 8
0x06 0x07 0x4C 0x41 0x55 0x01 0x0F 0x40 0xBF