PIM Master™ Passive Intermodulation Analyzer User Guide : PIM Analyzer : Limit Menu
 
Limit Menu
Key Sequence: Shift > Limit (6) key
Two types of limit lines can be specified, lower limit lines and upper limit lines. Limit lines can be used for visual reference only or for pass/fail criteria. By using Save‑On‑Event (from Shift (7), for the File menu). a signal that exceeds a limit line can be automatically saved. Refer to your Anritsu handheld instrument User Guide for details.
Limit Menu
Limit
Upper Lower
This submenu key selects which limit line (Upper or Lower) will be active for editing. The limit line that is currently selected for editing is underlined.
On/Off
This submenu key turns On or Off the active limit (upper or lower).
Limit Move
Press this submenu key to display the Limit Move Menu.
Limit Alarm
On Off
Pressing this submenu key toggles the alarm function ON and OFF for the Upper limit line. When ON and when the upper limit is exceeded, the measurement text is displayed in red, and an audible alarm sounds. The Limit Alarm does not function with the lower limit line.
Set Default Limit
Pressing this submenu key sets the default limit line value, which is a limit whose position is 2.5 grid lines from the top of the screen (for the upper limit line) or 2.5 grid lines from the bottom of the screen (for the lower limit line), depending upon which limit is active. The inactive limit line is not altered.
 
 
Limit Move Menu
Move Limit U/D ## dB
Use this submenu key to move the limit line. Use the keyboard to enter the desired value. The limit line can also be moved by using the rotary knob. Turn the rotary knob clockwise to move the line to higher power levels. The Up/Down arrow keys move the limit line by 5% of the screen height. The Left/Right arrow keys move the limit line by 0.2% of the screen height, or 0.2 dB when the scale is set to 10 dB/division.
Amplitude
Press this submenu key to move the limit line to a specific dBm value. Use the arrow keys, the rotary knob, or the numeric keypad to set the value.
Back
Press this submenu key to return to the Limit Menu.
Other Menus
Preset, File, System, and Mode menus are described in your Anritsu handheld instrument User Guide.