64 708-DS / 709-DS Operator’s Manual
4 Operating the 708-DS / 709-DS
 
Main Screen - Unlock
The   icon indicates that the instrument is currently locked. In order to 
unlock the instrument, press  . The Unlock the instrument screen 
displays requesting an access code:
Enter the access code and press Ok. The instrument returns to the Main 
screen and   displays indicating that the system is unlocked. Full 
functionality of the instrument is now available through the front panel.
If you forget your access code, the only way to regain access is to cycle 
the power.