User Manual
    ASR-2000 Series User Manual 
94 
Panel Lock 
The panel lock feature prevents settings from being changed 
accidentally. When activated, all keys and knobs except the 
Lock/Unlock key and the Output key (if active) will be disabled.  
If the instrument is remotely controlled via the USB/LAN/RS-
232/GPIB interface, the panel lock is automatically enabled. See 
page 159 for remote control details. 
Activate the 
Panel Lock 
Press the Lock key to active the 
panel lock. “Keys locked” appears 
on the display. 
A lock icon will appear in the 
upper-right corner when the panel 
keys are locked. 
Disable the 
Panel Lock 
Hold the Lock key for ~3 seconds to 
disable the panel lock. “Keys 
unlocked” will appear on the 
display and the lock icon will 
disappear. 
Example 
Message
Lock icon










