Chapter 3 – Starting up and adjustments 
UM-30300D-U User manual AX 6000 Page 18 / 54 
2. LOCK / UNLOCK 
This function allows locking the test parameters access; this to avoid any hazardous 
parameters modification. The password by default is 0000. 
2.1. LOCK OPERATION 
Press and hold the   key (three seconds) to enter into the 
main menu and select the Parameters : Unlock function. 
 
>Parameters: Unlock
 Mode : Program 
 Program : Pr01 
 
Choose the Lock mode and validate with the   key. 
>Lock 
 
 
For the first time (no password entered) the instrument asks to 
enter one, enter 4 numbers (replace 0000 with your personal 
code) by using the 
 ,   and   keys several 
times. 
Note: once the password is entered, the instrument won't 
require it for the next locks. 
>Password :  0000 
 
When the password is entered, validate with the   key, the 
instrument displays: Parameters Locked. 
 
Parameters Locked 
 
To lock the parameters access, select the Parameters : Lock 
function.  
 
>Parameters: Lock 
 Mode : Program 
 Program : Pr01