Preh MC25-35\ Manual Do Utilizador

 

7 

 

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 transmission of the 

keyboard assignment table or the contents of the EEPROM has been modified, 

there will be an error in the checksum.   

 
Please Follow the instructions: 

 

1.  Unplug your keyboard from the Computer 

 

Figure 2. Unplugging the keyboard from the computer 

 

Some preh keyboards have a detachable cable on the back. The keyboard can 

be unplugged by either from the back of the computer or from the back of the 

keyboard 

 

Figure 3. Unplugging the keyboard from the computer 

2.  Hold down keys A01 and B01. The term A corresponds to the first row on the 

bottom and 01 is the column.  Please see figure 4 to identify the keys on a row 
and column keyboard.