Concord—Change Master Code
Fixed English LCD Keypads

1. Press 9 then enter the Master Code to display SYSTEM MENU then TIME-DATE
 
  
 
2. Press A or B button until USER CODES then press #, REG CODES displays
 
  
 
3. Press A or B button to scroll to SYS MASTER then press # to select
 
  
 
4. Enter new User Code then press # to save

5. Press * to exit to USER CODES, press A or B button until EXIT PROGRAM then # to exit
  
  
 
Alphanumeric LCD Keypads

1. Press 9 then enter the Master Code to display SYSTEM MENU then TIME-DATE
 
  
 
2. Press A or B buttons until USER CODES then press #, REG CODES displays
 
 
3. Press A or B button to scroll to SYSTEM MASTER CODE then press # to select
 
 
4. Enter new Master Code then press # to save

5. Press * to exit to USER CODES, press A or B button until EXIT PROGRAM then # to exit
 
  
 