Matrix-orbital GLT240128 Legacy Bedienungsanleitung PDF herunterladen (Seite 19)

Figure 20: Filesystem Lock Jumper

2.8 Manual Override

The Manual Override is provided to allow the GLT240128 to be reset to some of the factory defaults.

This can be particularly helpful if the display module has been set to an unknown baud rate or I

C and you

are no longer able to communicate with it. If you wish to return the module to its default settings you must:

1. Power off the display module.

2. Place a Jumper on the Manual Override pins, as pictured below.

3. Power up the display module.

4. The display module is now set to its default values listed below in table 1.

5. Edit and save settings.

Figure 21: Manual Override Jumper

Matrix Orbital GLT240128 14

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 69 70

GLT240128 1
Technical Manual 1
Revision: 1.2 1
Contents 2
1 Getting Started 6
1.2 Accessories 7
1.3 Features 8
1.4 Connecting to a PC 9
1.5 Installing the Software 10
2 Hardware Information 11
2.1 Communication Connectors 13
2.4 Power Through DB-9 Jumper 16
2.6 Protocol Select Jumpers 17
2.7 Filesystem Lock Jumper 18
2.8 Manual Override 19
3 Troubleshooting 20
4 Communications 21
C Transaction Example 22
4.2 Turn Flow Control On 23
4.3 Turn Flow Control Off 24
4.4 Changing the I 24
C Slave Address 24
4.5 Changing the Baud Rate 25
5.1 Introduction 27
5.2 Uploading a Font File 29
5.3 Setting the Current Font 29
5.4 Font Metrics 30
5.5 Set Box Space Mode 31
6.1 Introduction 31
6.2 Move Cursor Home 31
6.5 Auto Scroll On 32
7 Bitmaps 33
8 Bar Graphs and Drawing 35
8.3 Draw Pixel 36
8.4 Drawing a Line 36
8.5 Continue a Line 37
8.6 Draw a Rectangle 37
8.7 Drawing a Solid Rectangle 37
8.8 Initializing a Bar Graph 38
8.9 Drawing a Bar Graph 39
8.11 Shifting a Strip Chart 40
9 Touchpad 41
9.2 Set Touch Region 42
9.3 Delete Touch Region 42
9.4 Delete All Touch Regions 42
9.5 Set Touch Mode 43
9.6 Set Region Reporting Mode 43
9.7 Set Dragging Threshold 44
9.8 Set Pressure Threshold 44
9.9 Run Touchpad Calibration 44
10 Display Functions 45
10.4 Display Off 46
10.5 Set Brightness 46
10.6 Set and Save Brightness 46
10.7 Set Contrast 47
10.8 Set and Save Contrast 47
11 Filesystem 48
11.2 Wipe Filesystem 50
11.3 Deleting a File 51
11.4 Get Filesystem Space 51
11.5 Get Filesystem Directory 53
11.6 Filesystem Upload 53
11.7 Downloading a File 53
12 Data Security 54
12.2 Set Remember 55
12.3 Data Lock 55
12.4 Set and Save Data Lock 57
12.5 Dump the Filesystem 57
12.6 Write Customer Data 57
12.7 Read Customer Data 57
13 Miscellaneous 58
14 Command Summary 60
14.4 Bitmaps 61
14.5 Bar Graphs and Drawing 61
14.6 Touchpad 62
14.7 Display Functions 62
14.8 Filesystem 63
14.9 Data Security 63
14.10 Miscellaneous 64
14.11 Command By Number 64
15 Appendix 66
15.3 Physical Layout 67
Figure 24: Physical Diagram 68
Matrix Orbital GLT240128 63 68
15.4 Ordering Information 69
15.5 Deﬁnitions 69
15.7 Revision History 70

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