Boonton PIM 31 User Manual - Manual (Page 59)

59
downwards –yellow trace.
Increments are 1 MHz
IM signals as a vertical bar. Position on the x-axis
indicates frequency and length indicates power
level. Color of the bars refers to the colors of the
numeric displays (N-Q).
The graphical display is floating, meaning the
center area can be moved for better convenience
and visibility of important display information.
Moving by touching grid part of the display and the
screen and drawing it to the desired location
D TX Range Shows Range of up-sweep and down-sweep..
E Tx/Rx Shows internal communication activity to modules.
F RF Power Button Switches RF Power ON / OFF
The Button inscription shows what happens if the
button is pushed. In the shown screenshot RF
power is OFF, the next button push will switch RF
power ON.
G Return Brings PM 31 back to Field Mode. Works only
when RF Power is OFF
H Parameter Setting To set power levels for the sweep cycles:
Menu comes up only with RF Power OFF
Note: frequency setting in the parameter menu is
not relevant for sweep measurements. Sweep Edit
(P) sets frequency ranges.
I Reference Line Moves reference line for audible indication of
measurements that exceed the limit. Same as
Green/Red threshold of Bar graph in field mode.
Range -60 to -200 dBc
K Frequency Graphic Display Frequency mode: IM signals
shown as vertical bar, indicating power and
frequency. Signal colors relate to numeric display
L Time Graphic display – Time Mode: IM signals shown as
moving horizontal line, indicating power (changes)
over time. Signal color relates to numeric display
M Sweep Graphic display Sweep mode. Signals are “swept”
over a range to test wide frequency range
N Hold Hold Off blue, On red. While sweeping,
measurement can be held immediately.
O Single Single Off –Blue, On -red. Determines if a single
sweep or continuous sweeps are measured.
P Sweep Edit Opens Sweep Edit menu, allowing to set:
End of Lower Tx range, Start of Higher Tx range,
Selection of measured IM (in case more than one
are in the range), sweep increment time (default
100ms, range 10ms to 2000ms)
Q Freq Up/Down Only for visualization of Tx sweep ranges