Matrix-orbital GLK19264-7T-1U Bedienungsanleitung PDF herunterladen (Seite 16)

Figure 18: Protocol-Select-Jumpers for GLK19264-7T-1U USB

2.5 Manual Override

The Manual Override is provided to allow the GLK19264-7T-1U 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

slave address and you are no longer able to communicate with it. If you wish to return the module to its

default settings you must press the bottom left button at power up. Please see ﬁgure 19.

Table 1: Default Values

Contrast 128

Backlight 255

Baud Rate 19.2 kbps

C Slave Address 0x50

Data Lock False

RS232AutoTransmitData True

Figure 19: Manual Override Button

Matrix Orbital GLK19264-7T-1U 11

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 70 71

GLK19264-7T-1U 1
Technical Manual 1
Revision: 1.2 1
Contents 2
1 Getting Started 6
Figure 3: Standard Power 7
Figure 4: 5V Power Adapter 7
1.3 Features 9
1.4 Connecting to a PC 9
1.5 Installing the Software 10
2 Hardware Information 11
2.4 Protocol Select Jumpers 15
2.5 Manual Override 16
3 Troubleshooting 17
4 Communications 19
C Transaction Example 20
4.1.3 Serial Communication 20
4.1.4 USB Communication 20
4.2 Turn Flow Control On 21
4.3 Turn Flow Control Off 21
4.4 Changing the I 22
C Slave Address 22
4.5 Changing the Baud Rate 22
CrystalSpeed 23
8×DesiredBaud 23
5.1.2 Creating a Font 25
5.2 Uploading a Font File 26
5.3 Setting the Current Font 27
5.4 Font Metrics 28
5.5 Set Box Space Mode 28
6.1 Introduction 29
6.2 Move Cursor Home 29
6.5 Auto Scroll On 30
6.6 Auto Scroll Off 30
7 Bitmaps 31
7.4 Drawing a Bitmap Directly 32
8 Bar Graphs and Drawing 33
8.3 Draw Pixel 34
8.4 Drawing a Line 34
8.5 Continue a Line 34
8.6 Draw a Rectangle 35
8.7 Drawing a Solid Rectangle 35
8.8 Initializing a Bar Graph 36
8.9 Drawing a Bar Graph 36
8.11 Shifting a Strip Chart 38
9 General Purpose Output 39
10 Keypad 41
10.4 Poll Key Press 43
10.5 Clear Key Buffer 43
10.6 Set Debounce Time 43
10.7 Set Auto Repeat Mode 44
10.8 Auto Repeat Mode Off 45
10.9 Assign Keypad Codes 45
11 Display Functions 46
11.3 Display On 47
11.4 Display Off 47
11.5 Set Brightness 47
11.6 Set and Save Brightness 48
11.7 Set Contrast 48
12 Filesystem 49
12.2 Wipe Filesystem 51
12.3 Deleting a File 53
12.4 Get Filesystem Space 53
12.5 Get Filesystem Directory 54
12.6 Filesystem Upload 54
12.7 Downloading a File 54
13 Data Security 55
13.2 Set Remember 56
13.3 Data Lock 56
13.4 Set and Save Data Lock 58
13.5 Dump the Filesystem 58
13.6 Write Customer Data 58
13.7 Read Customer Data 58
14 Miscellaneous 59
15 Command Summary 61
15.4 Bitmaps 62
15.5 Bar Graphs and Drawing 62
15.6 General Purpose Output 63
15.7 Keypad 63
15.8 Display Functions 64
15.9 Filesystem 64
15.10 Data Security 65
15.11 Miscellaneous 65
15.12 Command By Number 66
16 Appendix 67
16.2 Optical Characteristics 68
16.3 Physical Layout 68
Figure 24: Physical Diagram 69
16.4 Ordering Information 71
16.5 Deﬁnitions 71
16.7 Revision History 71

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