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.
1-4
Reserved
5
Setting Lock
Locks the display settings
such as backlight, contrast
and GPO settings.
6
Reserved for graphical displays.
7
Command Lock
Locks all commands but
the the data lock command.
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
Syntax
Hexadecimal
0xFE 0xCB [level]
Decimal
254 203 [level]
Parameters
Parameter
Length
Description
level
1
Sets the data lock level
Matrix Orbital
PK202-25
44
Summary of Contents for PK202-25
Page 1: ...PK202 25 Technical Manual Revision 4 0 ...
Page 7: ...Figure 4 Serial Cable 4FT Figure 5 Communication and 5V Power Cable Matrix Orbital PK202 25 3 ...
Page 8: ...Figure 6 Aluminum Mountings Figure 7 Keypad Mountings Matrix Orbital PK202 25 4 ...
Page 9: ...Figure 8 Mounting Kits Figure 9 4X4 Keypad Matrix Orbital PK202 25 5 ...
Page 59: ...14 3 Physical Layout Figure 21 Physical Diagram Matrix Orbital PK202 25 55 ...