R&S®SML / R&S®SMV03  Utilities 
1090.3123.12   E-6 4.61
Passwords for Accessing Protected Functions (Protect) 
Calibration and service functions are password-protected. To access these functions, passwords (6-digit 
numbers) have to be entered and confirmed with the [ENTER] key. These functions are automatically 
locked out on power-up of the instrument. 
 
Password 1  deactivates the lock for the calibration of Main Loop, Level Preset, LFGen Level, Leve, 
IF Filter, Harm Filter, Mult Filterl. 
Password 2  deactivates the lock for the calibration of RefOsc. 
Password 3  factory internal 
Password 4  factory internal 
Access to protected functions is possible in the Utilities - Protect menu. 
 
Menu selection:  Utilities – Protect 
Fig. 4-30  Utilities - Protect menu (preset setting)  
Lock Level 
x
Activation/deactivation of lock. 
On  The lock is active. 
IEC/IEEE-bus command  :SYST:PROT1 ON 
Off  The entry of the password is enabled automatically. 
After entering the password, a pop-up menu is 
displayed. The lock can be deactivated by selection Off. 
IEC/IEEE-bus command  :
S
YST:PROT1 OFF, 123456