DTP cable loss

Sets and queries DTP cable loss in dB/current distance unit.

cable loss in units of dB/distance

Parameter range is 0 dB/ft to 5 dB/ft (0 dB/m to 16.404 dB/m).

None – Returns error

To set the cable loss to 0.1 dB/ft:

To query the cable loss:

Distance, More, Cable Loss

DTP data points

Sets and queries DTP data points.

None – Returns error

To set the data point to 128:

To query the data point setting:

Distance, DTP Aid, Data Points

DTP maximum measurable distance

Queries DTP maximum measurable distance in current distance unit.

None

None – Returns error

To query the DTP maximum measurable distance:

Distance, DTP Aid, Stop Distance (Dmax)

DTP fault resolution

Queries DTP fault resolution in current distance unit.

None

None – Returns error

To query the DTP fault resolution:

NA

DTP cable propagation velocity index

Sets and queries DTP cable propagation velocity index.

None – Returns error

To set the cable propagation velocity index to 0.75:

To query the cable propagation velocity index:

Distance, DTP Aid, Propagation Velocity

DTP distance setup

Sets and queries DTP distance start and stop. Parameters are m for meters and ft for feet.

Values in meters

To set the DTP start distance to 10 feet:

To query the DTP stop distance:

To query the DTP start distance:

Distance, DTP Aid, Start Distance/Stop Distance

DTP Windowing

Sets and queries the type of windowing in order of increasing side lobe reduction. Windowing settings are: rectangular, nominal side lobe, low side lobe, and minimum side lobe.

RECTangular = Rectangular Windowing

NSLobe = Nominal Side Lobe Windowing

LSLobe = Low Side Lobe Windowing

MSLobe = Minimum Side Lobe Windowing

None – Returns error

To set the Nominal Side Lobe Windowing:

To query the type of Windowing:

Distance, More, Window

DTP distance unit

Sets and queries DTP distance unit.

None – Returns error

To set the unit to meter:

To query the distance unit:

Distance, Units

Upper Limit Alarm On/Off

Sets and queries limits alarm for PIM vs. Time and Swept PIM measurement types. This alarm is associated only to the upper limit. Lower limit does not have an associated alarm.

Sets and queries DTP distance unit. Parameters are m for meters and ft for feet.

Limit Alarm (0 = On, 1 = Off)

Off

To set the limit alarm:

To query the limit alarm:

Shift‑Limit (6), Limit Alarm

Set Limit Amplitude

Sets and queries limit amplitude for PIM vs. Time and Swept PIM measurement types. The amplitude will be associated with the currently selected limit (upper/lower). The amplitude reference level range is –50 dBm to –140 dBm. The upper and lower limits can be set far beyond the reference level range, but such settings are of no practical value.

Magnitude (dBm)

None

To set the limit amplitude to –120 dBm:

To query the limit amplitude:

Shift‑Limit (6), Limit Move, Amplitude

Limit State

Turns the limit line ON or OFF. If the value is set to ON or to 1, then the currently selected limit line is ON. If the value is set to OFF or to 0, then the currently selected limit line is OFF. The query version of the command returns a 1 if the currently selected limit line is ON and returns a 0 if it is OFF.

OFF

To turn on the limit line:

To turn off the limit line:

To query the limit line state:

Shift‑Limit (6), Limit On/Off

Limit Type Selection

Sets and queries limits for PIM vs. Time and Swept PIM measurement types. Selections are Upper/Lower.

Limit value (0 = Upper, 1 = Lower)

None

To set the upper limit:

To query the limit type:

Shift‑Limit (6), Limit

Upper Limit Fail Check

Checks if current trace data is failing Upper Limit dBm setting. If one trace point fails, then the condition would indicate fail for a response.

0/1 for Pass/Fail

None

To query if the current trace data is failing Upper Limit dBm setting:

NA, no direct access

Adjusting Limit Amplitude shows a number display change to red when the limit line falls below the highest trace data point.

Limit Value Magnitude Change

Adds a magnitude change to the existing limit magnitude for PIM vs. Time and Swept PIM measurement types.

Magnitude (dB)

0.1 dB

None

To decrease the currently selected limit magnitude by 5 dB:

Shift‑Limit (6), Limit Move, Move Limit U/D

Turn All Markers Off

Turns off all markers

To turn Off all markers:

Marker, All Markers Off

Delta Marker State

Sets the specified delta marker on or off. The query returns the state of the specified delta marker (0|1)

OFF

To turn on the delta marker #3:

To turn off delta marker #6:         

To query the state of delta marker #2:

Marker, Delta On Off

Delta Marker X Value

Sets the location of the delta marker on the x‑axis at the specified location <x‑parameter> + the reference marker x‑axis. <x‑parameter> is defined in the current x‑axis units. The query version of the command returns the location of the delta marker on the x‑axis.

Current x‑axis unit

If both the reference and delta marker #1 are currently at 1 GHz on the x‑axis, then send the command below to set the delta marker #1 to 2 GHz on the x‑axis:

Marker, [Marker 1/2/3/4/5/6], Delta On, Arrow buttons

Delta Marker Read Y Value

Reads the current Y value for the specified delta marker. The units are the units of the y‑axis.

Current y‑axis unit

To query the Y value of delta marker #6:

NA

Marker State

Sets the specified marker on or off.

OFF

To turn off reference marker #1:

To query the state of marker #6:

Marker, Marker, M#, On/Off

Marker X Value

Sets the location of the marker on the x‑axis at the specified location. <x‑parameter> is defined in the current x‑axis units. The query version of the command returns the location of the marker on the x‑axis. Note that the marker is snapped to the data point closest to the specified value. If the specified marker is not On, then it is set to On. In Swept PIM, Marker 1 is always On, but remains at trace peak and cannot be moved. The query command reports the x‑axis position for Swept PIM.

seconds in PIM versus Time measurement type
meters or feet in DTP measurement type
hertz in Swept PIM measurement type (query only)

(In PIM vs. Time, DTP, or Swept PIM) To query the X value of reference marker #3:

(In PIM vs. Time) To set reference marker #3 to 1.5 seconds on the x-axis:

(In PIM vs. Time) To set reference marker #1 to 25 µs:

(In DTP) To set reference marker #1 to 15 ft on the x-axis:

To query the location of the marker on the x-axis:

Marker, [Marker 1/2/3/4/5/6]

Marker Read Y Value

Reads the current Y value for the specified marker. The units are the units of the y‑axis.

Current y‑axis unit

To query the Y value of reference marker #4:

NA