Instruction Manual

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