90 Chapter 2 
Front-Panel Key Reference
Display
Connected to Previous Pt
Yes No
Allows you to determine whether the 
current point will be connected to the 
previous point. No limit testing is 
performed between disconnected 
points. Pressing this key when the 
Connected field is selected toggles the 
Connected value of the current point 
and increments the Point number to 
allow entry or editing of the Frequency 
of the next point. If a Tab key is pressed 
without entering a value, the current 
Connected value of the point is 
selected. If Tab 
⇑
 is pressed, the Point 
number automatically increments to 
allow entry of the Connected value of 
the next point, or if a new point, to 
allow 
Frequency to be entered for the 
new point. 
Key Access: 
Display, Limits, Limit 1 or 
Limit 2, Edit
Delete Point
 
Allows you to delete the current point 
in the limit line. You will be prompted 
with the message If you are sure, 
press key again to delete. 
Pressing 
Delete Point again will delete 
the point. 
Key Access: 
Display, Limits, Limit 1 or 
Limit 2, Edit
Delete Limit
  Allows you to delete the current limit 
set. You will be prompted with the 
message If you are sure, press 
key again to delete. Pressing 
Delete 
again will delete the limit set. 
Key Access: 
Display, Limits, Limit 1 or 
Limit 2
Freq Interp 
Log Lin
  Allows you to determine how limit 
trace values are computed between 
points in a limit table. The available 
interpolation modes are linear and 
logarithmic. If the linear mode is used 
for both frequency and amplitude, a