Chapter 10 Distance to Fault Operation
Specifying the level parameters
170 9102 Handheld Spectrum Analyzer Software version 5.31
Specifying the level parameters
After specifying the unit for your reflection meausrement you can
adjust the level parameters. Depending on the unit you specified via
the Units menu the display of the Level menu changes to enable you
to set the level parameters for the individual units as follows:
Setting the reference
level for dB
1 In the main menu, push the Ref. softkey or select Level followed by
Ref. Alternatively, push the REF function key.
The Reference Level input field opens.
2 Enter the new reference level either using the numeric keys,
closing the input field with the appropriate enter key, or with the
U
P/DOWN arrow keys.
The new reference level appears at the top of the vertical axis. The
reference is based on the actual set output power.
Changing the vertical
scale for dB
The scale for the vertical axis (power) can be changed in the range
from 1 to 20 dB per division (vertical line in the displayed grid) in 1-3-
5 steps as follows:
1 In the main menu, select
Level.
2 Push the
Scale softkey.
The Scale input field opens.
3 Select a new scale by entering a new number of dB per division
numerically and pressing the E
NTER or MHZ/DB/ΜS key, or by
pushing the U
P/DOWN cursor keys.
Setting the maximum for
reflection factor
1 In the main menu, push the Max Refl Factor softkey or select Level
followed by
Max Refl Factor. Alternatively, push the REF function
key.
The Reference Level input field opens.
2 Enter the new maximum reflection factor either using the numeric
keys, closing the input field with the appropriate enter key, or with
the U
P/DOWN arrow keys.
The new maximum reflection factor appears at the top of the
vertical axis.
SilverLine-TG
TM
TuffGrip
TM
cable
2.04 1.5 m (4.9 ft)
Table 15 Parameters for Aeroflex-supplied cables
Cable description
Dielectric
constant
r
Length
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