Chapter 6 - Operation  
158  3BHS335648 E82  UNITROL 1020 User Manual 
In order to protect parameter changes by unauthorized persons, the customer can define 
passwords to enter CONTROL mode to change parameters. 
 
When hash is 1...9999, CMT will ask for a password before going to CONTROL mode. 0 
means no password. 
Setting for password, range 0 to 9999 
  0000   No password is active / default 
  4783   Default password, will work independently of any setting 
 
Password will be asked when changing CMT from MONITOR to CONTROL mode. The 
password is active for 10min 
When CMT runs in MONITOR 
mode, the password setting field 
is grayed out. 
When CMT runs in CONTROL 
mode password can be set 
6.4.8  Tune Menu 
Adjust Setpoint, Trigger Setpoint, Status Displays 
Tune \ Setpoint Adjust 
It allows setpoint adjustment, step response tests and visualization of operating 
modes, generator states, limiters and alarms status.