Site Masterâ„¢ S331L User Guide : Classic Mode Operation : 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)
Limit Menu
Single Limit
Limit Line
This key toggles the limit line on or off. Limit line amplitude is stored even when turned off.
Edit Value
Press this key to change the amplitude of the limit line with the Up/Down arrow keys, rotary knob, or the numeric keypad.
Limit Alarm (On Off)
When turned On, the Limit Alarm will sound a 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). Refer to .
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 Lines Messages
Measurement
Typical End Tool
Pass/Fail Criteria
Return Loss
Load
Pass when the trace is below the limit line
DTF Return Loss
Load
Pass when the trace is below the limit line
Cable Loss
Short or Open
Pass when the trace is above the limit line
VSWR
Load
Pass when the trace is below the limit line
DTF VSWR
Load
Pass when the trace is below the limit line