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Preh MC25-35\ - page 1
Trouble Shooting Manual Preh Keyboards MC25-35 Speciality Series Classic Series Advantage Series Prestige Series ...
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Preh MC25-35\ - page 2
2 INDEX 1. The computer indicates “Keyboard error” du ring start-up or Booting.….3 2. The keyboard be eps when any key is presse d and sends no data to the computer…………………………………………………………………………………….…3 3. The ke yboard is connected to a Scanner but it is not de tected by the comp ...
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Preh MC25-35\ - page 3
3 1. The computer indicates “Keyboard error” during start-up or booting Possible Causes and Solutions: 1.1 The keyboard is not plugge d properly. Check if the keyboard cable is securely pl ugged into the keyboard PS/2 port (USB or RS232 if applicable) . If you have another devic e connected on the PS/2 port, shut d own your computer, r eplace i ...
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Preh MC25-35\ - page 4
4 2.3 Th ere was an erro r in the c h ecksu m. Please see “How to reset the preh keyboards” on page 7 and test. 3. The keyboard is connected to a Scanner but it is not detected by the computer during start-up Possible Causes and Solutions: 3.1 Data transmission conflict between keyboard an d Scan ner. There might be more than one solution for t ...
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Preh MC25-35\ - page 5
5 Solution 3: Please see “How to turn off the unnecessary modules” on page 18 and follow the instructions. Restart the computer and test. 4. The keyboard does not respond, and there is no output. Possible Causes and Solutions: 4.1 Keyboard pad is not responding. Lets make sure that the keyboard does not have an output. Open notepad or any other ...
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Preh MC25-35\ - page 6
6 6. The MSR cannot be read with my software Possible causes and solutions: 6.1 MSR head is not working properly. Open NotePad; Use a c ard with a magnetic st ripe on the back su ch as cr edit card or debit card. Swipe the card and see on Notepad if there is an output. If no data is displayed, pl ease contact Preh customer service to repair your ke ...
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Preh MC25-35\ - page 7
7 8. HOW TO RESET PREH KEYBOARDS Simply resetting the keyboard may solve the majority of the most common problems that a user can have. If a fault has occurred during the transmissi on of the keyboard assignment table or the contents of the EEPROM has been modifi ed, there will be an erro r in the c heck sum. Please Follow th e instr uctio ns: 1. U ...
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Preh MC25-35\ - page 8
8 Figure 4. Row and Column keyboard In an alphanumeric keyboard, A 01 and B01 can be id entified as SHIFT and CONTROL on the right side of the keyboard as shown i n figure 5. Figure 5. Alphanumer ic keyboar d layout 3. Plug the keyboard back into the computer while you keep hol ding down A01 and B01. 4. All the light s on the keyboard (if available ...
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Preh MC25-35\ - page 9
9 9. HOW TO CHANGE THE O UTPU T SPEED O F THE KEYBOARD For chan ging the outp ut spe ed of the keyboard it will be neces sary to us e one of our programming tools: The winprogrammer or the DOS programmer. WINPROGRAMMER 1. In order to change the output speed with the winprogrammer you need to have an MWF fil e or crea te a new fil e since the Winpro ...
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Preh MC25-35\ - page 10
10 5. Go to File> UpdateKeyboard , Select your interface (USB, AT for PS/2 or Serial RS232) and c lick ok to d ownload the file into the keyboar d. Wait until the proc ess is complete d. Figure 7. 6. If the keyboa rd does not respond to your configurat i on correctly, cha nge the speed output by following steps 1 through 5 and sel ect a di ffere ...
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Preh MC25-35\ - page 11
11 Figure 8 3. Clic k on Edit>SlowO utputSpeed . A new windo w will pop u p as the one in figure 9 . Figure 9 4. Select a different output speed. 5. Go to File>WriteKeyboard , then a status bar will in dicate you th e progr ess o f the file downloaded into the keyboard as s hown in figure 10. After d ownload is completed, the keyboard is read ...
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Preh MC25-35\ - page 12
12 Figure 10 6. If the keyboa rd does not respond to your configurat i on correctly, cha nge the follow steps 1 through 5 but selecting a d ifferent s peed on point 4. ...
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Preh MC25-35\ - page 13
13 10. HOW TO CH A NGE TH E SETTINGS OF THE M S R For chan ging the MSR settings, it will be neces sary to us e one of our pr ogramming tools: The winprogr ammer or the DOS progr ammer. OPOS is a stand ard in the point of sale indu stry. It is require d that your MSR h ave these s ettings if yo u are using so ftware that u ses the OPOS standar d. T ...
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Preh MC25-35\ - page 14
14 Figure 12 4. Repeat the same p rocess as in point 3 for “ Terminator ”. 5. Click OK, and then go to File>UpdateKeyboard . Wait until progr amming is completed. DOS PROGRAMMER 1. Connect your keyb oa rd and start DOS prog rammer. 2. Go to the File menu and select “ Read keytable ”. This command will read all data and settings that are ...
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Preh MC25-35\ - page 15
15 3. Clic k on Edit>Modules , and then a new window will pop up . Figure 14 4. Clic k on Header and then input at “ Assigment ” box. Enter { x62} for Tr ack 1 Enter { x63} for Tr ack 2 Enter { x64} for Tr ack 3 Figure 15 5. Repeat the same procedure for “ Terminator ” as in po int 3. 6. Click OK, and then go to File>WriteKeytable ...
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Preh MC25-35\ - page 16
16 11. HOW TO REMO VE ONLIN E PROGRAMMING Online programming is an alternati v e method to program a Preh Keyboard. It i s recommended not to have access to online programming unl ess i s necessary and intended to be. WINPROGRAMMER 1. In order to deactivate the online programming option with the winprogrammer you need to have an MWF file or create ...
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Preh MC25-35\ - page 17
17 2. Go to the File menu and select “ Read keytable ”. This command will read all data and settings that are inside the keyboard. Please, make sure that the keyboard is con nected . A status bar will sho w you when th e readin g of the keyboard has been completed as shown in figure 17. Figure 17 3. Go to Edit>Hotkey 0 . Figure 18 4. Clear o ...
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Preh MC25-35\ - page 18
18 5. Click OK, and then go to File>WriteKeytable . Wait until pr ogramming is completed. 6. Reset the keyboard. ...
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Preh MC25-35\ - page 19
19 12. HOW TO D EACTIVATE THE BIO S KEYBOARD INITIALIZATION DURING POST There are 2 options: 1. Using the BIOS deactivate the option for checki ng keyboard duri ng initialization. 2. Another option is for user s of Win2000 and WinX P. It is p ossible to deac tivate this optio n by cre ating 2 regist ers. Op en Notep ad and inp ut the f ollowing tex ...
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Preh MC25-35\ - page 20
20 13. HOW TO TURN OFF TH E UNNECESSARY M ODULE S The keyboard has extra options that might not be used by the user, or initializations . WINPROGRAMMER 1. In order to deactivate or activate modules with the winprogrammer you need to have an MWF fi le or create a new file since the w i nprogrammer cannot read the program from the keyboard. To create ...
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Preh MC25-35\ - page 21
21 Figure 20 5. Unche ck all “ Autoinput ” from the modules that are not being used or are not available on your keyboard . Click OK 6. Go to File>Update Keyboard and click OK . DOS PROGRAMMER 1. Connect your keyb oa rd and start DOS prog rammer. 2. Go to the File menu and select “Read keytable” . This co mmand will re ad all data and se ...
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Preh MC25-35\ - page 22
22 3. Go to File>Ed it>Mod ules. Unc heck Init and send LED data , and all the modules ( Autoinput ) that are not used, s uch as MSR, Keylock etc. figure 22 4. Click E nter and go to File>Write Keyboard . TRM Ver 1.1 Nov 2003 ...
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