Manual

Description

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

0-2 Reserved Should be left 0

3 Communication

Speed Lock

When this bit is set (1) the

Baud Rate and I

C Slave

address are locked

4 Setting Lock When this bit is set (1)

the display settings such

as backlight, contrast and

GPO settings are locked.

(Internal EEPROM)

5 Reserved Should be left 0

6 Command Lock When this bit is set (1) all

commands but commands

202/203 are locked. (cmd

lock)

7 Display Lock When this bit is set (1) the

module is locked from dis-

playing any new informa-

tion. (text lock)

NOTES

• Sending a new data lock level will override the previous data lock level.

• Data lock levels may be combined.

Remembered Always

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 0xF5 0xA0 [level]

Decimal 254 203 245 160 [level]

Matrix Orbital VK204-25 44