Command Summary
53
6.15
Data Security
15.1
Set
Remember
Dec
Hex
ASCII
254
Switch
147
FE 93
■ ?
Switch
Switch
v8.0
Allows changes to specific settings to be saved to the display memory. Writing to non-volatile memory can be slow
and each change consumes 1 write of at least 100,000 available. The Command Summary
outlines which
commands are saved always, never, and when this command is on only. Remember is off by default.
Switch
Byte
1 for on or 0 for off.
15.2
Set Data
Lock
Dec
Hex
ASCII
254 202 245
Level
160
FE CA F5 A0
■ ╩ ? á
Level
Level
v8.0
Temporarily locks certain aspects of the display to ensure no inadvertent changes are made. The lock is released
after a power cycle. A new level overrides the old, and levels can be combined. Default is 0.
Level
Byte
Lock level, see
Data Lock Bits
table.
Table 45: Data Lock Bits
Display
Command
Filesystem
Setting
Address
Reserved
Reserved
Reserved
7
6
5
4
3
2
1
0
Table 46: Lock Parameters
Reserved
Place holders only, should be 0
Address
Locks the Baud Rate and I2C address
Setting
Locks all settings from being saved
Filesystem
Locks all bitmaps and fonts
Command
Locks all commands, text can still be written
Display
Locks entire display, no new text can be displayed
15.3
Set and Save
Data Lock
Dec
Hex
ASCII
254 203 245
Level
160
FE CB F5 A0
■ ╦ ? á
Level
Level
v8.0
Locks certain aspects of the display to ensure no inadvertent changes are made. The lock is not affected by a
power cycle. A new level overrides the old, and levels can be combined. Default is 0.
Level
Byte
See Data Lock Bits
table.
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