Matrix-orbital GLK240128-25 Legacy Uživatelský manuál stáhnout pdf (Strana 15)

Figure 16: Keypad Interface Connector

2.5 Manual Override

Manual Override is provided to allow the GLK240128-25 to be reset to factory defaults. This can be

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

C 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:

1. Power off the display module.

2. Place a jump between Row 5 and Column 1.

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 17: Manual Override Jumper

Matrix Orbital GLK240128-25 10

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 66 67

GLK240128-25 1
Technical Manual 1
Revision: 1.1 1
Contents 2
1 Getting Started 6
1.2 Accessories 7
1.3 Features 8
1.4 Connecting to a PC 8
1.5 Installing the Software 9
2 Hardware Information 10
2.1 DB-9 Connector 11
2.2 Power/Data Connector 13
2.3 Protocol Select Jumpers 14
2.5 Manual Override 15
2.6 Filesystem Lock Jumper 16
3 Troubleshooting 17
4 Communications 18
C Transaction Example 19
4.1.3 Serial Communication 19
4.2 Turn Flow Control On 20
4.3 Turn Flow Control Off 20
4.4 Changing the I 21
C Slave Address 21
4.5 Changing the Baud Rate 21
CrystalSpeed 22
8×DesiredBaud 22
5.1.1 Font File Format 24
5.1.2 Creating a Font 24
5.2 Uploading a Font File 26
5.3 Setting the Current Font 26
5.4 Font Metrics 27
5.5 Set Box Space Mode 27
6.1 Introduction 28
6.2 Move Cursor Home 28
6.5 Auto Scroll On 29
7 Bitmaps 30
7.4 Drawing a Bitmap Directly 31
8 Bar Graphs and Drawing 32
8.3 Draw Pixel 33
8.4 Drawing a Line 33
8.5 Continue a Line 33
8.6 Draw a Rectangle 34
8.7 Drawing a Solid Rectangle 34
8.8 Initializing a Bar Graph 35
8.9 Drawing a Bar Graph 35
8.11 Shifting a Strip Chart 37
9 Keypad 38
9.4 Poll Key Press 39
9.5 Clear Key Buffer 40
9.6 Set Debounce Time 40
9.7 Set Auto Repeat Mode 41
9.8 Auto Repeat Mode Off 42
9.9 Assign Keypad Codes 42
10 Display Functions 43
10.5 Set Brightness 44
10.6 Set and Save Brightness 44
10.7 Set Contrast 44
10.8 Set and Save Contrast 45
11 Filesystem 46
11.2 Wipe Filesystem 48
11.3 Deleting a File 50
11.4 Get Filesystem Space 50
11.5 Get Filesystem Directory 51
11.6 Filesystem Upload 51
11.7 Downloading a File 51
12 Data Security 52
12.2 Set Remember 53
12.3 Data Lock 53
12.4 Set and Save Data Lock 55
12.5 Dump the Filesystem 55
12.6 Write Customer Data 55
12.7 Read Customer Data 55
13 Miscellaneous 56
14 Command Summary 58
14.4 Bitmaps 59
14.5 Bar Graphs and Drawing 59
14.6 Keypad 60
14.7 Display Functions 61
14.8 Filesystem 61
14.9 Data Security 61
14.10 Miscellaneous 62
14.11 Command By Number 62
15 Appendix 64
Figure 21: Physical Diagram 65
15.3 Ordering Information 66
15.4 Deﬁnitions 66
15.6 Revision History 67

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