4 set and save data lock – Matrix Orbital PK162-12 User Manual
Page 48

Description
Data lock, originally known as paranoia, allows you to lock the module
from displaying information, as well as enables the protection of the
filesystem and module settings. Each bit corresponds corresponds to a
different lock level, while sending a zero will unlock your display as the
following tables explains:
Bit
Data Lock Level
Description
0
Unlock
Sending a zero will cause
the display to unlock. (0)
1-4
Reserved
These bits are used as place
holders and should not be
omitted. (0000)
5
Setting Lock
Locks the display settings
such as backlight, contrast
and GPO settings. (10000)
6
Reserved for graphical displays. (000000)
7
Command Lock
Locks all commands but
the data lock command.
(1000000)
8
Display Lock
Locks the module from
displaying any new infor-
mation. (10000000)
NOTES
•
Sending a new data lock level will override the previous data lock level.
•
Data lock levels may be combined.
Remembered
Always
Factory Default
0
Examples
Hex
Dec
Binary
Description
0x00
0
0
Unlock
0x50
80
01010000
Setting and Command Lock
11.4 Set and Save Data Lock
Matrix Orbital
PK162-12
44