Site Master™ S331L User Guide : Cable and Antenna Measurements : Limit Menu
 
Limit Menu
Limit lines can be used for visual reference only, or for pass/fail criteria using the limit alarm and Pass/Fail Message keys. Limit alarm failures are reported whenever a signal crosses the limit line.
Key Sequence: Limit (6) or Limit
Limit Menu
Limit
Active Limit (Upper Lower)
This key toggles the active limit line settings to the Upper or Lower limit.
Limit State (Off Single Segmented)
This key sets the limit line state to Off, Single, or Segmented. See Figure: Limit Line State Menu. Limit line amplitude is stored even when turned off.
Note: Both the Upper and Lower limit lines for a trace must be of the same type: either both are Single, or both are Segmented.
Move Active Limit
Press this key to change the amplitude of the limit line with the Up/Down Arrow keys, rotary knob, or the numeric keypad. If the limit line is divided into segments, then all segments move by the same amount.
Edit Segments
Press this key to display the Segments menu and a table of limit line segments. Tap a segment (Upper or Lower), and then choose a function from Figure: Limit Line Segments Menu.
Limit Alarm (On Off)
When turned On, the Limit Alarm sounds a repeating beep when the trace touches the limit line.
Pass/Fail Msg (On Off)
When turned On, a Pass or Fail message is displayed to indicate whether the trace touches or exceeds the limit line (Fail).
Limit Preset
Turns the limit line off and clears amplitude information. The next time that a limit line is turned on, it will be displayed at the default location (center of the display).
Limit Menu (Continued)
Key Sequence: Limit > Limit State
Limit Line State Menu
Limit State
Off
The limit line state is set to off.
Single
The limit line state is set to on and the limit line type is set to single.
Segmented
The limit line state is set to on and the limit line type is set to segmented.
 
Key Sequence: Limit > Edit Segments
Limit Line Segments Menu
Edit Segments
Add
Press this key to add a segment. A dialog box is displayed allowing selection of Upper or Lower limit lines and settings for Start and Stop x‑axis values and y‑axis values. Press Enter to save changes, or press ESC to close without saving.
Edit
Press this key to edit the highlighted segment. A dialog box is displayed allowing selection of Upper or Lower limit lines and settings for Start and Stop x‑axis values and y‑axis values. Press Enter to save changes, or press ESC to close without saving.
Delete
Press this key to delete the selected limit segments.
Close (ESC): Press this key to close the Segments menu and return to the Limit menu.