LCD2041 Technical Manual Revision: 2.1Contents Contents ii 1 Getting Started 1 1.1 Display Options Available . 1 1.2 Accessories . 2 1.3 Features . 3 1.4 Connecting to a PC . 5 1.5 Installing the Software . 6 1.5.1 uProject . 6 2 Hardware Information 7 2.1 DB-9 Connector . 7 2.1.1 Power Through DB-9 Jumper . 8 2.2 Power/Data Connector . 10 2.2.1 Legacy Data Connector Jumpers 11 2.3 Protocol Select Jumpers . 11 2.4 General Purpose Outputs 13 2.5 Manual Override 13 3 Troubleshooting 15 3.1 The display does not turn on when power is applied . 15 3.2 The display module is not communicating 15 3.3 The display module is communicating, however text cannot be displayed . 16 4 Communications 16 4.1 Introduction . 16 2 4.1.1 I C Communication Summary . 16 2 4.1.2 I C Transaction Example 17 4.1.3 Serial Communication . 17 2 4.2 Changing the I C Slave Address 18 4.3 Changing the Baud Rate 18 4.4 Setting a Non-Standard Baud Rate . 19 5 Text 20 5.1 Introduction . 20 5.1.1 Character Set 21 5.1.2 Control Characters . 21 5.2 Auto Scroll On . 21 5.3 Auto Scroll Off . 22 5.4 Clear Screen . 22 5.5 Changing the Startup Screen 22 5.6 Set Auto Line Wrap On . 23 5.7 Set Auto Line Wrap Off . 23 5.8 Set Cursor Position . 23 Matrix Orbital LCD2041 ii